Author: Refrigeration Equipment Professionals

Refrigeration Equipment Professionals (REP) is a trusted supplier of industrial refrigeration systems and surplus/used equipment, offering compressors, chillers, condensers, evaporators, ice machines, freezers, coolers, pumps, motors, complete plants, and services like purchasing, refurbishing, shipping, export crating, and storage/consignment support. With 25+ years of experience and clients across North America, Latin America, the Middle East, and Asia, we deliver reliable, cost-effective refrigeration solutions worldwide.

Posted on July 14, 2026June 17, 2026 by Refrigeration Equipment Professionals

Sizing and Sourcing Cold Storage Refrigeration: A Capacity-Planning Guide for Buyers

Equipment shopping is the wrong place to start a cold storage project. Buy a compressor before you understand the load and you risk an expensive mismatch in either direction: oversized equipment that short-cycles and wastes energy, or undersized equipment that cannot hold temperature when the facility is full. This guide walks through capacity planning the way a buyer should approach it, then connects the resulting requirements to equipment selection and to the economics of sourcing surplus.

QUICK ANSWER

Sizing cold storage refrigeration starts with the heat load: product type and pull-down rate, room temperature, insulation, air infiltration, and internal loads from people, lighting, and equipment. Those loads are summed and converted into tons of refrigeration (TR). Frozen rooms generally carry a heavier base demand than chilled space. From the TR target, buyers select compressors, condensers, evaporators, and vessels, where well-chosen surplus equipment can cut project cost substantially against rising demand for cold storage capacity.

Why Capacity Planning Comes First

A refrigeration system is sized to remove heat at the rate it enters the space, with margin for pull-down and peak conditions. Get the load wrong and everything downstream is wrong. The goal of capacity planning is a defensible tons-of-refrigeration target that drives compressor, condenser, and evaporator selection. With that number in hand, sourcing becomes a matter of matching equipment to a requirement rather than guessing.

The Components of the Heat Load

Total cooling load is the sum of several contributions:

Product load and pull-down: The heat removed to bring incoming product to storage temperature, and to freeze it where applicable. This depends on product type, mass, incoming temperature, and how fast it must be pulled down.
Transmission load: Heat conducted through walls, ceiling, and floor, governed by insulation quality (R-value) and the temperature difference between the room and its surroundings.
Infiltration load: Heat from air exchange through doors and openings, which rises with door traffic and the temperature difference.
Internal loads: Heat from evaporator fan motors, lighting, forklifts, people, and any process equipment in the space.

Each contribution is estimated, summed, and given an appropriate safety margin. The result is the design heat load.

Temperature Regimes: Chilled vs. Frozen

The temperature regime drives both the load and the equipment. Chilled storage (above freezing) and frozen storage (well below freezing) impose very different demands. Frozen storage carries a larger base load because of the wider temperature difference with ambient and the energy required to freeze product, and frozen facilities account for roughly half of cold storage demand. Deep-freeze applications push the requirement further still. The regime also dictates refrigerant choice, evaporator design, and whether single- or two-stage compression makes sense.

Converting Load to Tons of Refrigeration

Once the design heat load is established in heat-per-unit-time terms, it is converted into tons of refrigeration, the standard capacity unit (one ton of refrigeration equals 12,000 BTU per hour of heat removal). The TR figure, evaluated at the design suction and condensing conditions for the chosen refrigerant, becomes the basis for compressor selection. This is a conceptual overview rather than an engineering manual; a qualified refrigeration engineer should perform the detailed load calculation for any real project. The point for a buyer is to understand what the TR number represents and how it ties equipment to the load.

Matching Equipment to the TR Target

With a TR target and design conditions, equipment selection follows:

Compressors: Sized to deliver the required capacity at the design suction and condensing temperatures, with staging chosen for the temperature regime. Reciprocating and screw compressors suit different capacity ranges and turndown needs.
Condensers: Evaporative or air-cooled, sized for heat rejection at the design ambient, balancing first cost, water use, and efficiency.
Evaporators and coils: Selected for the room load and the desired temperature difference (TD) between coil and air, which affects humidity and product condition.
Vessels: Recirculators, receivers, and intercoolers sized to the system architecture and refrigerant charge strategy.

The Market Context for Buyers

Demand for cold storage capacity is growing. The Global Cold Chain Alliance’s 2026 Top 25 reported about 7.76 billion cubic feet of temperature-controlled space, up roughly 6.3 percent year over year, with Latin America leading regional growth at about 8.6 percent. Several Latin American countries face an acknowledged cold storage infrastructure deficit, which translates into real demand for capacity additions across REP’s primary markets in North America, Latin America, and the Caribbean. Capacity expansion at that pace, against higher financing costs, is exactly the environment where well-sourced surplus equipment earns its place.

Why Surplus Fits Capacity Expansion Economics

Industrial refrigeration equipment is engineered for long service lives, so a properly inspected used compressor, condenser, or vessel can deliver most of a new unit’s service at a fraction of the cost and lead time. For an operator adding capacity in a tight financing environment, that combination of lower capital cost and faster availability can be decisive. The key is building a coherent system: matching compressor staging, refrigerant, controls, and vessel sizing so the assembled equipment performs as an integrated plant rather than a collection of parts. Refrigeration Equipment Pros stocks compressors, condensers and towers, evaporators, and vessels across the capacity ranges cold storage projects require, and works with buyers to match equipment to a defensible TR target. If you are planning a capacity addition, our team can help you source components that fit both the load and the budget.

Frequently Asked Questions

How do I estimate tons of refrigeration for a cold storage room?

Sum the major heat loads (product and pull-down, transmission through the envelope, infiltration through openings, and internal loads from fans, lighting, and equipment), apply a safety margin, and convert the total to tons of refrigeration, where one ton equals 12,000 BTU per hour. A qualified refrigeration engineer should perform the detailed calculation for any real project, but understanding the components helps a buyer evaluate equipment.

Why does frozen storage need more refrigeration than chilled storage?

Frozen storage operates at a much lower temperature, so the temperature difference with ambient is larger, driving higher transmission and infiltration loads. Freezing product also removes more energy than simply chilling it. Together these mean a frozen room of the same size carries a heavier refrigeration demand than a chilled one.

Can I build a cold storage system from used equipment?

Yes. Compressors, condensers, evaporators, and vessels are commonly sourced used and can deliver long remaining service lives when properly inspected. The key is sizing each component to a defensible TR target and ensuring the pieces are compatible in refrigerant, staging, and controls so they function as an integrated system.

What is temperature difference (TD) and why does it matter for evaporators?

TD is the difference between the evaporator coil temperature and the room air temperature. A smaller TD generally maintains higher humidity, which can benefit certain products, while a larger TD allows a smaller coil for a given load. Selecting the right TD is part of matching evaporators to the room and the product being stored.

Planning a cold storage capacity addition? Browse compressors, condensers, evaporators, and vessels at refrigerationequipment.net, list equipment through our Sell To Us page, or call 201-805-1441 to match equipment to your load.

Refrigeration Equipment Professionals

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Posted on July 7, 2026June 17, 2026 by Refrigeration Equipment Professionals

Low-Charge Ammonia Systems Explained: Design, Benefits, and Surplus Components

Used Ammonia High-Pressure Receivers & Intercoolers

For most of the past century, industrial ammonia refrigeration meant large central plants holding thousands of pounds of refrigerant in flooded or liquid-overfeed systems. Low-charge ammonia turns that model on its head, delivering comparable cooling with a small fraction of the ammonia inventory. The approach has moved from novel to mainstream, and it is reshaping how plants are designed and which equipment buyers should be sourcing. This article explains what low-charge ammonia is, why operators are adopting it, and how surplus components fit into a low-charge build.

QUICK ANSWER

Low-charge ammonia systems use a fraction of the refrigerant of traditional flooded or liquid-overfeed plants, typically through packaged or direct-expansion (DX) designs mounted on skids. Adoption is rising fast, with roughly 1,480 North American industrial sites in 2025, up about 20 percent year over year. Plants are switching because a smaller ammonia inventory eases safety and regulatory thresholds while maintaining capacity, and in some retrofits energy use has dropped substantially. Many surplus components, including packaged compressors, evaporators, and controls, fit these designs.

What “Low-Charge” Actually Means

Traditional ammonia plants use liquid overfeed or flooded evaporators, which require a large refrigerant charge circulating through the system and held in vessels. A low-charge system minimizes the ammonia inventory, often by an order of magnitude, by using direct-expansion evaporators and packaged designs that keep the refrigerant confined to a compact, factory-built unit. Instead of a sprawling machine room piped throughout a facility, a low-charge plant is frequently a skid-mounted or rooftop package with the charge contained on board.

The defining metric is pounds of ammonia per ton of refrigeration. Where a traditional plant might carry several pounds per ton across the whole system, a well-designed low-charge package can bring that down dramatically, which is the source of most of its safety and regulatory advantages.

The Configurations

Low-charge ammonia shows up in a few common forms:

Packaged DX units: Self-contained skids or rooftop packages with compressor, condenser, and DX evaporator integrated, holding the ammonia charge on board.
Central low-charge systems: Larger plants engineered to minimize charge through DX evaporators and tighter system design while still serving multiple loads.
Distributed packages: Multiple smaller units placed near the loads they serve, reducing long refrigerant runs and the inventory they require.

The right configuration depends on load size, layout, and how much the operator wants to reduce on-site ammonia inventory.

Why Plants Are Switching

The driving force is risk and regulatory burden. A smaller ammonia inventory reduces the consequences of a release and can keep a facility below key regulatory quantity thresholds. In the United States, OSHA’s Process Safety Management (PSM) standard and the EPA’s Risk Management Program (RMP) impose extensive requirements on facilities holding ammonia above a threshold quantity. Staying under that threshold by minimizing charge can materially reduce a facility’s compliance and administrative load.

Beyond regulation, a smaller charge means a smaller potential release, simpler emergency planning, and often easier siting near occupied areas. For many operators, those benefits justify the move even where capacity needs are modest.

Energy and Performance

Low-charge does not mean low performance. Well-designed DX systems can match or improve on the efficiency of older plants, particularly when they replace aging liquid-overfeed equipment. Reported results from facilities that have made the switch include substantial energy reductions; in one set of cold storage cases, replacing ammonia liquid-overfeed systems with dual-stage dry-expansion plants cut energy use by a large margin. Results vary with climate, load profile, and design, but the headline is that minimizing charge and modernizing the system can deliver efficiency gains alongside the safety benefits.

The Adoption Trend in Numbers

Low-charge ammonia is one of the fastest-growing configurations in industrial refrigeration. Roughly 1,480 North American industrial sites had adopted low-charge ammonia systems by 2025, reflecting about 20 percent year-over-year growth and a 1.4-fold increase since 2023. That growth is occurring alongside the rise of transcritical CO2, with both natural-refrigerant approaches expanding as operators move away from high-GWP HFCs.

Which Surplus Components Fit a Low-Charge Build

A low-charge project does not require everything to be new. Several categories of surplus equipment fit well:

Packaged and screw compressors: Well-maintained units sized to the load are a natural fit, particularly where a packaged skid is being assembled or refurbished.
DX evaporators and unit coolers: Direct-expansion coils suited to ammonia service are central to a low-charge design; surplus coils in good condition can serve here.
Condensers: Evaporative and air-cooled condensers matched to the system’s heat rejection needs.
Controls and valves: Control panels, valves, and instrumentation appropriate to ammonia DX service.

What to verify when sourcing used components for a low-charge build: confirm the equipment was rated for ammonia service, check operating hours and overhaul history on compressors, verify coil and vessel condition and any ASME documentation, and make sure controls and valves match the intended DX duty and pressures. Refrigeration Equipment Pros stocks compressors, evaporators, condensers, and auxiliary equipment suited to ammonia systems, and can help match surplus components to a low-charge design.

Frequently Asked Questions

How much less ammonia does a low-charge system use?

It varies by design, but low-charge systems aim to reduce the refrigerant inventory by a large factor compared with traditional flooded or liquid-overfeed plants, often measured as a sharp drop in pounds of ammonia per ton of refrigeration. The exact reduction depends on the configuration and the loads served.

Does low-charge ammonia avoid PSM and RMP requirements?

Not automatically. PSM (OSHA) and RMP (EPA) requirements are tied to the quantity of ammonia on site. By minimizing charge, a facility may stay below the threshold quantity that triggers those programs, which is a major reason operators pursue low-charge designs. Whether a specific facility falls below the threshold depends on its total inventory and must be verified against current regulations.

Can I build a low-charge system from used equipment?

Yes, with care. Packaged or screw compressors, DX evaporators, condensers, and controls that were rated for ammonia service can be sourced used. The key is verifying that each component is suited to ammonia DX duty and pressures, and confirming condition and documentation before integrating it into the system.

Is low-charge ammonia less efficient than a traditional plant?

Not necessarily. Well-designed DX low-charge systems can match or exceed the efficiency of older liquid-overfeed plants, and modernization retrofits have reported significant energy reductions. Efficiency depends on climate, load profile, and design quality rather than on charge size alone.

Planning a low-charge ammonia project? Browse compressors, evaporators, and condensers at refrigerationequipment.net, list equipment through our Sell To Us page, or call 201-805-1441 to match surplus components to your design.

Refrigeration Equipment Professionals

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Posted on June 30, 2026June 17, 2026 by Refrigeration Equipment Professionals

Transcritical CO2 vs. Ammonia for Industrial Refrigeration: What the Shift Means for the Used Market

Mycom N6WB compressor with 100 HP ammonia compressor

The choice between ammonia and CO2 is no longer a settled question with one default answer. Over the past two years, transcritical CO2 has moved from a niche option that most industrial contractors would not quote into a mainstream alternative that is regularly priced alongside ammonia. That shift changes the calculus for anyone sourcing equipment on the used market, because it influences both what becomes available and how long a given technology will hold its resale value. This article compares the two refrigerants on the factors that actually matter to a procurement decision, then looks at what the trend means for surplus buyers specifically.

QUICK ANSWER

Ammonia (R-717) remains the dominant industrial refrigerant in North America, with roughly 1,480 low-charge ammonia industrial sites in 2025 versus about 1,240 transcritical CO2 sites. CO2 (R-744) is growing faster, up around 42 percent year over year, but ammonia still wins on large-capacity cold storage and energy efficiency at scale. CO2 fits smaller-charge applications and new builds, where it made up roughly 74 percent of industrial transcritical installations. For buyers, the shift is reshaping which equipment enters the secondary market and what holds its value.

The Numbers Behind the Shift

Industry data tells a clear story. In North America in 2025, there were more industrial sites using low-charge ammonia (around 1,480) than transcritical CO2 (around 1,240), but the CO2 count grew roughly 42 percent year over year, a 2.5-fold increase since 2023. Low-charge ammonia also grew, at about 20 percent year over year. Both natural refrigerants are expanding; CO2 is simply expanding from a smaller base at a steeper rate.

Contractor behavior reflects this. As recently as two years ago, most industrial contractors that did ammonia work were not interested in exploring CO2. That has flipped: many now quote CO2 alongside ammonia, or at least price it as an option. For a buyer, that means the population of CO2 equipment in service, and eventually on the used market, is growing quickly.

How the Two Refrigerants Differ Operationally

Ammonia and CO2 are both natural refrigerants with negligible global warming potential, but they behave very differently in a system.

Charge and toxicity: Ammonia is toxic and flammable at certain concentrations, which drives safety systems, setback distances, and regulatory thresholds. CO2 is non-toxic and non-flammable, which simplifies siting in occupied or retail-adjacent spaces.
Operating pressure: CO2 systems run at much higher pressures than ammonia, which dictates heavier-rated components, valves, and vessels. Ammonia operates at comparatively modest pressures.
Efficiency by climate: Ammonia tends to hold its efficiency advantage in large, low-temperature applications. Transcritical CO2 efficiency is more sensitive to ambient temperature, which historically favored cooler climates, though gas cooler and parallel-compression improvements have narrowed that gap.
Footprint: Low-charge ammonia and packaged CO2 systems both reduce the central machine-room footprint compared with traditional flooded ammonia plants, but they get there in different ways.

Where Ammonia Wins

Ammonia remains the default for large-capacity industrial refrigeration, particularly cold storage warehouses and food processing plants with substantial low-temperature loads. Its efficiency at scale, mature contractor base, deep parts ecosystem, and decades of operating history make it hard to displace where the load is big and the plant is purpose-built. The used market for ammonia compressors, vessels, and evaporative condensers reflects that durability; well-maintained ammonia equipment has a long service life and a steady resale demand.

Where CO2 Wins

CO2 has the edge where charge size, siting, and regulatory simplicity matter more than peak efficiency at scale. It is well suited to smaller industrial loads, facilities near occupied spaces, and applications where minimizing refrigerant toxicity is a priority. The new-build skew is telling: in 2025, new builds made up roughly 74 percent of industrial transcritical CO2 rack installations in North America, versus about 26 percent for retrofits. CO2 is largely being designed into new facilities rather than retrofitted into old ones, which shapes the kind of equipment that will eventually cycle into the used market.

The Surplus-Market Angle

Two dynamics matter for surplus buyers. First, as facilities modernize and some operators shift loads toward CO2 in new builds, well-maintained ammonia equipment is displaced and becomes available on the secondary market, often at attractive value relative to its remaining service life. Second, because CO2 adoption is recent and concentrated in new construction, the used CO2 equipment pool is still relatively thin and the components are higher-pressure-rated, which affects both availability and price.

The practical implication: ammonia equipment offers depth, proven longevity, and value on the used market today. CO2 equipment is a growing but younger segment where supply is tighter. A buyer’s choice should follow the application, not the trend headline.

Buying Considerations for Each

If you are sourcing ammonia equipment, focus on operating hours, overhaul history, oil analysis where available, motor and starter condition, and ASME documentation on vessels. The contractor and parts ecosystem is broad, so service support is rarely a constraint.

If you are sourcing CO2 equipment, verify pressure ratings carefully, since transcritical components are built for higher pressures and mismatches are dangerous. Confirm that controls, valves, and gas coolers are matched to the intended duty, and weigh the smaller installed base when planning for parts and service.

Refrigeration Equipment Pros stocks ammonia and freon-sector equipment and works with buyers to match refrigerant strategy to the application. If you are weighing an ammonia plant against a CO2 design, or sourcing displaced ammonia equipment as facilities modernize, our team can help you evaluate condition, documentation, and fit before you commit.

Frequently Asked Questions

Is CO2 going to replace ammonia in industrial refrigeration?

Not in the near term for large-capacity applications. Ammonia remains dominant for big cold storage and process loads because of its efficiency at scale and mature ecosystem. CO2 is growing quickly, especially in new builds and smaller or siting-sensitive applications, but the two are coexisting rather than one fully replacing the other.

Why do CO2 systems use higher-rated components?

Transcritical CO2 systems operate at substantially higher pressures than ammonia systems. That requires compressors, valves, vessels, and piping rated for those pressures. When buying used CO2 equipment, confirming pressure ratings is essential, both for safety and for compatibility with the rest of the system.

Does the HFC phase-down favor ammonia or CO2?

It favors both. Ammonia and CO2 are natural refrigerants with negligible global warming potential, so neither faces the GWP-driven restrictions that apply to high-GWP HFCs. The phase-down is one reason both natural refrigerants are growing in industrial refrigeration.

Is used ammonia equipment a good value right now?

Often yes. As facilities modernize, well-maintained ammonia compressors, vessels, and condensers are displaced and become available on the secondary market. Industrial ammonia equipment is engineered for long service lives, so a properly inspected used unit can offer strong value relative to new.

Comparing an ammonia plant against a CO2 design, or looking to source displaced ammonia equipment? Browse the inventory at refrigerationequipment.net, list equipment through our Sell To Us page, or call 201-805-1441 to talk it through with our team.

Refrigeration Equipment Professionals

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Posted on June 23, 2026June 17, 2026 by Refrigeration Equipment Professionals

What the 2026 EPA HFC Rules Mean When You Buy Used Refrigeration Equipment

Outdoor industrial equipment: white insulated piping system with valves and gauges on a blue frame near a building exterior. Large rusted pipe lies in foreground.

Most coverage of the EPA’s hydrofluorocarbon (HFC) rules is written for facility owners who already operate a plant. If you buy used industrial refrigeration equipment, your exposure is different and arguably more immediate: you are choosing which compliance obligations to take on at the moment you sign for a machine. A compressor or condensing unit that looked like a bargain on a refrigerant basis can carry a leak repair and documentation burden that erodes the savings. This guide walks through what changed on January 1, 2026, which refrigerants now draw scrutiny, and how to factor all of it into a used-equipment purchase.

QUICK ANSWER

As of January 1, 2026, the EPA’s HFC leak repair rule covers any appliance charged with 15 or more pounds of an HFC refrigerant with a global warming potential (GWP) above 53, sweeping in roughly 971,000 additional appliances. If you buy used industrial equipment still running R-404A, R-507A, or R-407A, you inherit leak rate thresholds of 10 percent for comfort cooling, 20 percent for commercial refrigeration, and 30 percent for industrial process refrigeration, plus a 30-day repair clock once a threshold is exceeded. The practical effect is a retrofit-or-retire decision that increasingly favors ammonia (R-717) and CO2-ready systems.

What Actually Changed on January 1, 2026

The headline change is the leak repair threshold. The trigger charge dropped from 50 pounds to 15 pounds of an HFC refrigerant (or HFC substitute) with a GWP greater than 53. The EPA estimates this brings roughly 971,000 additional appliances into scope that were previously below the line. For industrial buyers, that means a far larger share of the used market now sits inside the regulated zone, including many condensing units, packaged systems, and medium-charge process equipment that used to fall under the old threshold.

Two mechanics matter most for a buyer. First, a leak rate calculation is required every time refrigerant is added to a system. The clock is triggered by that calculation exceeding a threshold, not by an inspector showing up. Second, once a threshold is exceeded, the owner has 30 days to complete and document the repair (120 days where an industrial process shutdown is required). If the repair cannot be made, a retrofit or retirement plan is required.

The Refrigerants in the Crosshairs

Several common HFCs and HFC blends carry GWP values that put them squarely under the rule. R-404A, long used in low and medium temperature commercial and industrial systems, has a GWP of roughly 3,922. R-407A sits around 2,107 and R-410A around 2,088. R-448A and R-449A, marketed as lower-GWP replacements, still land near 1,387 and 1,282 respectively. R-507A, another legacy low-temperature refrigerant, is in the same high-GWP company as R-404A.

On the used market, these refrigerants show up constantly. A decommissioned supermarket rack, a process chiller pulled from a food plant, or a packaged condensing unit may all be charged with R-404A or R-507A. The refrigerant in the machine is not just an operating-cost question anymore; it is a compliance question that follows the equipment to its next home.

Leak Rate Thresholds and Repair Clocks by Sector

The rule sets different annual leak rate thresholds depending on how the equipment is used:

Comfort cooling: 10 percent annually.
Commercial refrigeration: 20 percent annually.
Industrial process refrigeration: 30 percent annually.

Once the calculated leak rate exceeds the applicable threshold, the 30-day repair window opens (120 days where a process shutdown is needed to make the repair). Verification testing is required after the repair. For large systems above the size thresholds, automatic leak detection (ALD) systems are also part of the framework, with installation timelines that differ for new versus existing equipment. The takeaway for a buyer: the larger the charge and the higher the GWP, the more administrative weight the machine carries once it is in service.

The Retrofit-or-Retire Calculus When Buying Used

When you evaluate a used system charged with a high-GWP HFC, three variables drive the decision. The first is charge size, because it determines whether the 15-pound threshold is crossed and how expensive a recharge or conversion becomes. The second is refrigerant availability and price trajectory, since the broader phase-down is tightening supply of virgin high-GWP HFCs over time. The third is the cost and feasibility of converting the system to a lower-GWP refrigerant or to a natural refrigerant, which depends on the equipment’s materials, lubricant, and component ratings.

A practical way to think about it: a high-GWP HFC machine is not disqualified, but it should be priced with its compliance tail in mind. If the equipment is mechanically excellent and the charge is modest, it can still be a strong buy. If the charge is large and the refrigerant is one of the high-GWP blends, the conversion or compliance cost belongs in your offer math.

Why the Rules Are Steering Buyers Toward Ammonia and CO2

Natural refrigerants sidestep the GWP question almost entirely. Ammonia (R-717) has effectively no global warming potential and a decades-long track record in industrial refrigeration, which is why it remains the backbone of large cold storage and process plants. Carbon dioxide (R-744) is also exempt from the GWP-driven restrictions and is growing quickly in industrial applications. For buyers planning a system with a long service life, equipment built for or convertible to ammonia or CO2 avoids the moving target that HFC regulation has become.

This is part of why the used market for well-maintained ammonia compressors, vessels, and evaporators stays strong. Equipment that was engineered for a natural refrigerant carries no GWP-related compliance overhang, which protects its resale value as the phase-down advances.

A Status Caveat Worth Reading

The regulatory picture is actively shifting. The EPA’s Technology Transitions Rule, which governs GWP limits for new equipment in sectors like cold storage warehouses, is under reconsideration. Proposals have included raising the cold storage GWP threshold from 150 or 300 to 700 and delaying certain deadlines from 2026 to 2032. None of that changes the leak repair rule that took effect January 1, 2026, but it does mean that any specific deadline you rely on for a purchase decision should be confirmed against current EPA guidance at the time you decide. When the stakes are high, verify before you commit.

What to Ask a Seller Before You Buy

A short diligence list keeps the compliance tail from surprising you after delivery:

What refrigerant is the system currently charged with, and what was it originally designed for?
What is the full charge in pounds? This determines whether the 15-pound threshold applies.
Is there a leak history or service record showing recent leak rate calculations?
Has any refrigerant been recovered, and was it handled by certified technicians?
Are the components rated for a lower-GWP or natural refrigerant if conversion is on the table later?

Refrigeration Equipment Pros works with buyers across food processing, cold storage, brewing, and industrial refrigeration to source equipment that fits both the application and the regulatory reality. If you are weighing a high-GWP HFC system against an ammonia or CO2-ready alternative, the right call depends on charge size, service life, and conversion feasibility, and we are glad to talk it through before you buy.

Frequently Asked Questions

Does the 2026 leak repair rule apply to ammonia or CO2 systems?

The leak repair rule is keyed to HFC refrigerants and HFC substitutes with a GWP above 53. Ammonia (R-717) and carbon dioxide (R-744) are natural refrigerants that fall outside the GWP-driven leak repair framework, though they remain subject to their own safety and handling regulations, such as process safety management requirements for larger ammonia charges.

Can I still buy and operate a used system charged with R-404A?

Yes. The rule does not ban operating existing equipment on R-404A. It imposes leak detection, repair, and documentation obligations once the charge crosses 15 pounds. The practical question is whether the compliance and refrigerant-supply costs over the equipment’s remaining life make the purchase worthwhile compared with a lower-GWP or natural refrigerant alternative.

What is GWP and why does the 53 threshold matter?

Global warming potential measures how strongly a refrigerant traps heat relative to carbon dioxide, which has a GWP of 1. The rule’s 15-pound trigger applies to HFCs and substitutes with a GWP greater than 53, which captures essentially all of the common high-GWP HFC blends used in commercial and industrial refrigeration.

How does this affect the resale value of my equipment when I sell?

Equipment running a high-GWP HFC carries a compliance tail that a buyer will factor into their offer. Well-documented service records, proper refrigerant recovery, and clear nameplate data all support value. Equipment built for ammonia or CO2 generally holds value better because it has no GWP-related regulatory overhang.

Ready to source equipment that fits your application and the current regulatory landscape? Browse the inventory at refrigerationequipment.net, submit equipment through our Sell To Us page, or call 201-805-1441 to talk through a purchase with our team.

Refrigeration Equipment Professionals

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Posted on June 16, 2026May 20, 2026 by Refrigeration Equipment Professionals

Mycom Compressors in Industrial Refrigeration: Models, Applications, and Surplus Availability

QUICK ANSWER

Mycom (Mayekawa) industrial ammonia compressors are widely used in food processing, cold storage, marine, and offshore refrigeration. The reciprocating lineup includes the A and B series (smaller plants, highly field-rebuildable) and the newer N series. The screw lineup covers the V series (single-screw legacy), the J series, and the modern SCV single-screw line. The SCV 200 VLD — a 204mm rotor diameter single-screw with side discharge — is one of the most-searched specific model designations in the surplus market. Mycom screw compressors range from approximately 276 to 2,259 CFM. Parts and service are supported in North America through Mycom International Refrigeration based in Texas.

Why Mycom Has a Distinct Position in Industrial Refrigeration

Mycom is the industrial refrigeration brand of Mayekawa, a Japanese manufacturer with global operations including a substantial North American footprint through Mycom International Refrigeration in Texas. The brand is consistently ranked among the top five global industrial refrigeration system manufacturers, alongside Frick, Vilter, Sabroe, and GEA.

What sets Mycom apart from the other major brands is its marine and offshore heritage. While Frick and Sabroe dominate North American food and beverage cold storage, and Vilter has carved out a single-screw niche for large industrial ammonia and CO₂ applications, Mycom is the one brand procurement professionals consistently turn to for vessel-mounted, dockside, and offshore platform refrigeration. That heritage carries into shore-based applications as well — Mycom equipment is heavily represented in food processing, beverage plants, and large cold storage facilities.

Mycom’s Reciprocating Lineup

The Mycom reciprocating compressor line is one of the most durable and serviceable in industrial refrigeration. The A and B series have been workhorses of smaller refrigeration plants for decades. Both series are highly field-rebuildable — meaning the compressor can be disassembled, inspected, and rebuilt in place using standard tooling, with valve, ring, gasket, and bearing kits widely available. For plants that prioritize the ability to service equipment without removing it from the floor, the A and B series have a distinct procurement advantage.

The newer N series modernizes the reciprocating platform with updated controls and packaging while maintaining the field-serviceability that has defined the line. On the used market, A and B series units are commonly available across a range of capacities, and N series units are increasingly part of the inventory mix as the older platforms are upgraded out of service.

Reciprocating compressors fit applications where multiple smaller units offer redundancy benefits over a single large screw, where the load profile varies significantly, or where the plant standardizes on reciprocating service practices. The Mycom A and B series in particular remain go-to options for small-to-mid refrigeration plants and marine applications.

Mycom’s Screw Compressor Lineup

Mycom’s screw lineup covers three generations:

The V series is the legacy single-screw line. V series compressors have a long service history and remain in active operation across food processing, cold storage, and industrial applications. On the used market, V series units are widely available.

The J series sits in the mid-range of the screw lineup, covering capacities appropriate for medium-to-large industrial applications. The J series is less common on the used market than the V series but remains in service in many plants.

The SCV series is the modern Mycom single-screw line. SCV stands for Screw Compressor with V-rotor (single-screw with vee-rotor design). The SCV model designations encode rotor diameter, rotor length, slide-valve type, and discharge orientation. The SCV series covers capacities from approximately 276 CFM to 2,259 CFM at standard conditions — making it suitable for everything from mid-range industrial plants up to large cold storage and process cooling installations.

Single-screw compressors offer balanced loads (the single helical rotor meshes with two gate rotors, distributing forces symmetrically), low vibration, and long bearing life. The trade-off compared with twin-screw is mechanical complexity in the rotor mesh, which Mycom has refined across multiple generations of the design.

The Mycom 200 VLD: A Closer Look

The 200 VLD is one of the most specifically searched Mycom model designations in the industrial refrigeration surplus market, which is why it deserves its own section. Decoding the designation:

“200” indicates the rotor diameter — 204mm.
“V” indicates the rotor length code.
“L” indicates the standard slide valve configuration.
“D” indicates side discharge orientation.

In short, the Mycom 200 VLD is a single-screw compressor in the SCV series with a 204mm rotor diameter, 337mm rotor length, side discharge, standard slide valve, and integral economizer and liquid injection ports. Typical packaged sizing is 250 to 350 HP at 460V/60Hz for ammonia service, with displacement on common configurations near 1,850 m³/h and maximum design working pressure of 300 PSIG.

Variants in the same family include the N200VLD-MX (M port discharge), N200VLD-MBX (M port booster), N200VLD-HE (economizer only), and N200VLD-HN (no economizer, no liquid injection). For procurement professionals evaluating a used 200 VLD, the variant matters as much as the base model — confirm which configuration you are buying. Common control panels paired with these compressors include the Mycom MYPRO-CP3 and MYPRO-CP4. Older packages may have been retrofitted with Frick Quantum HD or other third-party controllers, which is worth verifying before purchase.

Mycom Lineup at a Glance

Series	Type	Capacity / Sizing Notes	Typical Applications
A and B series	Reciprocating	Smaller refrigeration plants; field-rebuildable	Cold storage, marine, refrigeration plants
N series	Reciprocating (newer)	Successor to A/B; modernized package	Industrial refrigeration, food processing
V series	Single-screw (legacy)	Capacities across mid to large industrial	Food and beverage, cold storage, marine
J series	Screw	Mid-range industrial capacities	Industrial refrigeration, process cooling
SCV series	Single-screw (modern)	Approximately 276 to 2,259 CFM range; includes 200 VLD	Large industrial ammonia, marine, offshore

Buying a Used Mycom: What to Verify

The general checklist for used industrial compressors applies to Mycom — operating hours, last overhaul, refrigerant history, motor and starter condition, control platform, ASME documentation on associated vessels. Mycom-specific items worth additional attention:

Confirm single-screw vs. twin-screw. The V series and SCV series are single-screw designs; the J series should be confirmed against documentation if not clearly labeled. Mechanical service and parts differ between the two designs.
Oil separator and oil cooler condition. Mycom screw packages typically integrate the oil separator and cooler. Inspect for corrosion, fouling, and any history of oil contamination.
Slide valve mechanism. Mycom uses a grooved-type slide valve as standard, with low-Vi options available on some configurations. Confirm the slide valve type matches your application’s part-load behavior requirements.
Original packaging vs. retrofitted. Many Mycom bare compressors get repackaged with non-Mycom controllers (Frick Quantum HD is common). Verify which configuration you are buying and what spare-parts ecosystem applies.
Parts availability for North American buyers. Mycom International Refrigeration in Texas is the primary North American service network. Third-party parts sources and rebuild specialists also exist. Confirm parts proximity for the specific model before committing.

Frequently Asked Questions

Is the Mycom 200 VLD a reciprocating or screw compressor?

The Mycom 200 VLD is a single-screw compressor in the SCV series, with a 204mm rotor diameter and side discharge. It is sometimes incorrectly described as a reciprocating model, but Mayekawa’s documentation classifies it firmly in the screw lineup.

How does Mycom compare to Frick and Vilter for industrial ammonia applications?

All three are top-tier industrial ammonia compressor brands with strong North American parts ecosystems. Mycom has deeper marine and offshore heritage; Frick has the broadest North American food-and-beverage installed base; Vilter specializes in single-screw ammonia and CO₂ designs. Choice typically comes down to plant standardization, parts proximity, and application fit.

Are Mycom A and B series reciprocating compressors still being made?

Mayekawa has modernized the reciprocating lineup with the N series, which has succeeded the A and B series in current production. The A and B series remain in active service across thousands of plants worldwide and are well-supported through aftermarket parts and rebuild services.

What does “N200VLD” mean – how do I decode Mycom model numbers?

In the SCV series, the number indicates rotor diameter in mm (200 = 204mm), the first letter indicates rotor length code, the next letter indicates slide valve type (L = standard), and the final letter indicates discharge orientation (D = side discharge). The “N” prefix and any suffixes indicate ammonia service and variant configurations. Mayekawa’s documentation provides full decoding for each series.

Where are Mycom compressors made?

Mycom compressors are manufactured by Mayekawa, a Japanese company with global manufacturing and service operations. North American sales, parts, and service are supported through Mycom International Refrigeration headquartered in Texas. Regional distributors and authorized service partners provide local support.

Browse Mycom Inventory, Quote, or Sell

Refrigeration Equipment Pros stocks used Mycom compressors across the reciprocating and screw lineups as availability allows. To browse current inventory or discuss a specific application, visit the shop or call 201-805-1441. If you are decommissioning a plant or have surplus Mycom equipment to sell, we buy.

Refrigeration Equipment Professionals

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Posted on June 9, 2026May 20, 2026 by Refrigeration Equipment Professionals

Selling Your Industrial Refrigeration Equipment: A Plant Decommissioning Guide

QUICK ANSWER

To sell used industrial refrigeration equipment from a plant decommissioning, work through five steps: (1) build an inventory with nameplate data, photos, and operating history for each major piece; (2) choose your sale path — established surplus dealer, direct buyer, auction, or consignment; (3) get evaluations from at least two qualified buyers; (4) clarify removal and logistics responsibility, including refrigerant recovery; (5) finalize payment terms in writing before equipment leaves the site. Major industrial brands — Frick, Vilter, Mycom, Sabroe, GEA, York, Trane, Carrier, BAC, Evapco, Vogt, Imeco — typically have strong used-market demand. Equipment without nameplates, with severe corrosion, or with unverifiable history recovers significantly less.

Why Refrigeration Plants Decommission

Plants take refrigeration equipment out of service for predictable reasons. Plant closures and relocations drive the largest volumes. Equipment upgrades and capacity expansions free up working units that still have substantial service life remaining. Refrigerant phase-downs are pushing facilities to replace HFC systems with low-GWP or ammonia equipment, taking older equipment off the floor in waves. Process changes, product line discontinuations, mergers and acquisitions, and excess inventory from build-outs that were scaled back all contribute.

In every one of these scenarios, the equipment on the floor has value. The question for the operations team or the asset manager is not whether it can be sold — it is how much of the original capital can be recovered, and how to keep the decommissioning process from becoming its own problem.

Understanding What Your Equipment Is Worth

Used industrial refrigeration equipment is priced primarily by four factors: brand, condition, capacity, and refrigerant. A clean Frick RWB-II screw compressor with documented overhaul history is a different asset from a generic semi-hermetic of unknown provenance. Both might be functional, but only one has a strong used-market demand profile.

Brands that typically command strong recovery in the surplus market include the major industrial ammonia compressor manufacturers (Frick, Vilter, Mycom, Sabroe, GEA), the major chiller brands (York, Trane, Carrier), the leading evaporative condenser brands (BAC and Evapco), Vogt for ice production, and Imeco for evaporator coils and condensers. These brands have parts ecosystems and technician familiarity that make them attractive to buyers.

Documentation drives recovery. Equipment with nameplate data, operating hours, last overhaul records, refrigerant history, and ASME documentation on pressure vessels can be evaluated quickly and priced confidently. Equipment without that documentation requires the buyer to absorb more risk, which translates directly into lower offers.

Preparing Equipment for Sale

The preparation work the seller does before approaching buyers determines how quickly evaluations come back and how strong the offers are. The checklist:

Inventory every major piece. Compressors, condensers, evaporators, vessels (recirculating tanks, receivers, intercoolers, heat exchangers), chillers, ice machines, pumps, motors, control panels, and auxiliary equipment. A complete inventory is the foundation of every conversation that follows.
Photograph each piece. Multiple angles, nameplate close-ups, the control panel, the inlet and outlet connections, and any visible signs of wear, corrosion, or damage. Photos let buyers evaluate without an immediate site visit.
Capture nameplate data. Brand, model, serial number, year of manufacture, design pressure, displacement (for compressors), refrigerant, and voltage. This data is what buyers will use to verify what you actually have.
Pull together service records. Operating hours where logged, last overhaul date and scope, refrigerant history, oil analysis records if available, and any major service events. Equipment with service history sells for more — sometimes substantially more — than equipment without.
Confirm ASME documentation on vessels. Receivers, separators, intercoolers, and heat exchangers manufactured to ASME pressure vessel code carry corresponding nameplates and U-stamps. Buyers need this documentation, especially for export.
Understand the removal context. Indoor-stored equipment with controlled access removal is a different proposition from outdoor equipment that needs rigging through a roof opening. The removal logistics directly affect the net offer.

Your Four Sale Paths

Each sale path has a different balance of recovery, effort, and risk. The right choice depends on the plant’s resources, timeline, and the equipment mix.

Sale Path	Typical Recovery	Effort & Risk to Seller	Best For
Established surplus dealer	Strong, especially for major brands and capacities	Low — dealer handles inspection, removal, logistics	Most plants; single point of contact preferred
Direct to buyer	Highest possible if matched to a specific buyer’s need	High — full inspection, removal, and logistics burden on seller	Plants with engineering resources and direct buyer relationships
Auction	Lower; as-is pricing	Medium — seller stages equipment; buyer takes condition risk	Fast cash; full-plant liquidation; mixed lots
Consignment	Variable — dealer markets, splits proceeds	Low to medium	Unusual or hard-to-place items needing broader exposure

Most plants choose the established surplus dealer path because it consolidates the entire transaction with one party. The dealer evaluates the equipment, makes an offer, handles or coordinates removal and crating, manages shipping and export logistics, and pays the seller on agreed terms. The seller loses some upside compared with selling each piece directly to its eventual buyer, but the labor savings and risk transfer typically more than offset the difference.

Direct sale makes sense for plants with their own engineering resources and existing relationships with end users of refrigeration equipment. Auction is the right answer for time-pressured liquidations and for mixed lots that include peripheral equipment outside the core refrigeration system. Consignment fits unusual or hard-to-place items where broader market exposure may surface a buyer the seller would not find directly.

The Removal and Logistics Question

The biggest variable in any sale of industrial refrigeration equipment is who handles removal. The work involves more than mechanical disconnection. Refrigerant must be recovered legally — EPA Section 608 regulations require certified technicians for HFC and HCFC refrigerants; ammonia recovery has its own protocols. Rigging large compressors and chillers out of mechanical rooms often requires structural planning, crane access, and sometimes wall or roof openings. Crating for export adds another layer.

Three models are common. The dealer handles everything (typical for established surplus transactions): single contract, single contact, predictable timeline. The seller handles removal and the dealer takes delivery at the dock: reduces the dealer’s exposure and can improve the offer. The seller handles everything and ships to the buyer: maximum control, maximum responsibility. The right model depends on the plant’s capabilities and the dealer’s standard practices. Either way, the model should be documented in writing before anything is committed.

How REP Approaches Purchasing

Refrigeration Equipment Pros has been buying industrial refrigeration equipment from contractors and plants for more than 25 years. The company evaluates equipment based on photos and documentation in the initial pass, with site visits for larger lots when warranted. REP handles removal, crating, shipping, and export logistics in-house from its New Jersey, Texas, and California warehouses and its New York office. For the full process and to start a conversation about specific equipment, see the We Purchase Used Refrigeration Equipment page and the Sell To Us page.

Frequently Asked Questions

Who buys used industrial refrigeration equipment?

Established surplus dealers, plant operators in the same industry, OEM-affiliated rebuilders, brokers, and end-user buyers across food processing, cold storage, ice production, and industrial process cooling. The strongest used-market demand is for major-brand equipment with documented service history.

How much is my used refrigeration equipment worth?

Value is driven by brand, condition, capacity, refrigerant, and documentation. Major-brand equipment in working condition with service records can recover a meaningful share of original capital. Generic-brand equipment, equipment with severe corrosion, or equipment without verifiable history recovers significantly less. A qualified dealer evaluation is the most reliable way to establish a number.

Does the buyer remove the equipment?

It depends on the arrangement. Established surplus dealers commonly handle removal, crating, and logistics as part of the purchase. Direct sales and auctions typically place removal responsibility on the buyer or the seller depending on the terms negotiated. Refrigerant recovery is governed by EPA regulations and requires certified technicians regardless of who handles the rest of the removal.

How quickly do I get paid?

Payment terms vary by buyer and transaction structure. Established surplus dealers commonly pay on agreed milestones for example, on receipt and verification of equipment at the dealer’s warehouse. Direct sales and auction payment timing depends on the specific terms negotiated. Get payment terms in writing before equipment leaves the site.

What documentation do I need to sell?

At minimum: nameplate data (brand, model, serial number, year, design pressure, refrigerant), photos of each piece, and a description of removal context. Stronger offers come with operating hours, last overhaul records, ASME documentation on pressure vessels, refrigerant history, and any service records the plant has retained.

Start a Conversation About Your Equipment

Refrigeration Equipment Pros buys used industrial refrigeration equipment across all major brands and categories. To start the conversation, gather your inventory and photos, then visit the Sell To Us page or call 201-805-1441. We respond promptly, handle the diligence work directly, and manage removal and logistics in-house.

Refrigeration Equipment Professionals

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Posted on June 2, 2026May 20, 2026 by Refrigeration Equipment Professionals

Imeco Evaporators and Industrial Coil Specifications: A Buyer’s Guide

Bohn-Heatcraft-3-Fan-11000-BTU-Freon-Evaporator (6)

QUICK ANSWER

Imeco manufactures industrial evaporator coils, unit coolers, and evaporative condensers for ammonia (R-717) and freon-based refrigeration systems. The product line spans multiple series — ICB plate-fin coils, USB ammonia/freon units, FO low-temperature coils, SCS, GPX, and the IDC/SIDC/XLP evaporative condenser families across low-temperature, medium-temperature, and dry-coil configurations. Coil capacities typically range from 5 to 35-plus tons of refrigeration (TR) at standard 10°F TD; evaporative condensers range from 212 to 653 nominal tons. When buying used Imeco equipment, verify refrigerant compatibility, design pressure (typically 200 to 250 PSI), fins per inch, rows deep, fan motor specifications, feed configuration, and physical coil condition.

Why Imeco Coils Are a Procurement Standard

In industrial refrigeration, the evaporator coil is where the actual work of cooling happens. A correctly specified coil moves heat efficiently and frosts predictably. A mis-specified one becomes the bottleneck of the entire system — and replacing it mid-season is one of the most disruptive maintenance events a plant can face.

Imeco has been a fixture in industrial refrigeration coil and condenser manufacturing for decades. Procurement professionals encounter Imeco equipment across cold storage, food and beverage processing, distribution centers, blast freezers, and industrial process cooling. The brand’s strength is its breadth: ammonia and freon, low-temperature and medium-temperature, plate-fin and gravity coil configurations, and a parallel line of evaporative condensers for the heat-rejection side of the system. For a used-equipment buyer working through a coil specification, an Imeco unit with documented condition is often the fastest path to a known-good answer.

Imeco Product Line: Series Overview

The Imeco lineup covers both sides of the refrigeration cycle. Coils on the evaporator side; evaporative condensers for heat rejection. The most common series procurement professionals will encounter on the used market:

Series	Type	Typical Application	Example Model & Capacity
ICB	Plate-fin evaporator coil	Low-temperature ammonia (cold storage, freezers, blast freezers)	ICB-4C-606-3-5 at 22.84 TR, 4 fans
USB	Ammonia or freon evaporator coil	Low/medium-temperature; flexibility across applications	USB 35L-264H at ~9.15 TR wet, 2 fans
FO	Ammonia evaporator coil	Low-temperature freezer applications	FO324-63 at ~6.7 TR, 3 fans, 15,000 CFM
SCS	Ammonia evaporator coil	Low-temperature, smaller capacities	SCS264XL at ~6.6 TR, 2 fans, 200 PSI
GPX	Low-temperature evaporator coil	Cold storage and freezer applications	GPX340L8-1230 at ~20,000 CFM, 3 fans
CO / FCL / ATR	Various coil configurations	Specialty industrial cooling	Common 1–10 TR capacities
IDC / SIDC / XLP	Evaporative condensers	Large industrial heat rejection	212 to 653 nominal tons

Two notes on this table. First, model designations like ICB-4C-606-3-5 carry encoded information about coil dimensions, fin count, and rows — Imeco’s nomenclature varies by series and the most reliable interpretation comes from manufacturer or distributor documentation. Second, the IDC, SIDC, and XLP evaporative condensers are part of the same Imeco portfolio but operate on the heat-rejection side of the system and are sized in nominal tons of heat rejection rather than tons of refrigeration.

Decoding Imeco Specifications

The key specs on an Imeco coil nameplate — and what they mean for procurement decisions:

Design pressure. Typically 200 or 250 PSI for ammonia service. The pressure rating must match or exceed the system the coil will be installed in. Older units may carry lower ratings; confirm against current operating pressures.
Fins per inch (FPI). Drives the heat transfer surface area and frost-shedding behavior of the coil. Lower FPI (commonly 3) is standard for frost-prone low-temperature applications; higher FPI (4 to 6) is used for warmer applications where frost is less of an operating constraint.
Rows deep. More rows mean more capacity per face area, but also higher air-side pressure drop. A six-row coil moves more BTU/hr per square foot than a three-row coil but requires more fan static.
CFM. The total air volume the fans move through the coil. Pairs with the coil capacity to deliver the design TD.
Capacity at TD. Imeco rates coils at specific temperature differentials (TD), commonly 10°F or 15°F. A coil rated 22.84 TR at 10°F TD will deliver less capacity if the actual system TD is lower, and more if higher.
Wet vs. frosted capacity. Imeco lists both. The same coil performs differently in a cooler (wet coil) versus a freezer (frosted coil). Match the rating to the actual application.
Feed configuration. Recirculated top feed, recirculated bottom feed, direct expansion (DX), or pumped overfeed. Each requires different system plumbing and accessories. The feed type is typically called out on the nameplate or coil documentation.

Sizing an Imeco Coil to Your Application

Coil sizing is application-driven. A few practical principles:

Cold storage cooler: a medium-temperature coil with 4 to 6 FPI sized to maintain product temperature with reasonable defrost cycles. The USB series and similar ammonia/freon coils are common.

Low-temperature freezer: an ammonia low-temperature coil (ICB, FO, GPX) with 3 FPI to handle frost loading. Rows-deep selection depends on available head space and air-handling capacity.

Blast freezer: high air velocity and high capacity per unit area. Plate-fin construction with appropriate FPI for the frost-shedding requirement.

Process cooling: depends on the load profile. Continuous process loads favor recirculated-feed coils; intermittent or batch loads may work with DX. Engineering judgment matters more than a generic specification.

A larger coil is not always better. Oversizing leads to short cycling, inadequate dehumidification (in cooler applications), and higher capital cost. Sizing to the actual load profile with reasonable margin is the right discipline.

Buying Used Imeco Equipment: What to Verify

Imeco equipment is engineered for long service life, but used coils and condensers still require verification:

Coil condition. Inspect for fin damage (bent or crushed fins reduce capacity), corrosion at U-bends and headers, and any history of refrigerant leaks. Repaired coils can be perfectly serviceable but should be documented.
Drain pan condition. Stainless steel drain pans hold up well on ammonia coils; verify the pan, the drain connections, and the heat-trace system if applicable.
Fan motor age and configuration. Voltage, full-load amps, RPM, and HP. Single-speed versus two-speed configurations affect control strategy.
Defrost system. Electric defrost, hot gas defrost, water defrost, or no defrost (passive). Each has different retrofit implications and different operating cost profiles. Confirm the defrost type on the nameplate.
Original application history. Dairy or food processing coils may have product residue or cleaning chemical exposure. Verify the equipment was cleaned at decommissioning.
Match to your existing system. Refrigerant, capacity, voltage, coil geometry, and connection sizes all need to align. A coil rated for a different refrigerant is a different proposition than a like-for-like replacement.
ASME documentation. Coils and headers manufactured to ASME pressure vessel code carry corresponding nameplates and stamps. Verify documentation is intact.

Frequently Asked Questions

What does the model number on an Imeco coil mean?

Imeco model numbers encode coil dimensions, fin count, row depth, and configuration in a series-specific format. For example, in the ICB series, the alphanumeric pattern typically indicates fan count, coil size, and capacity. Reliable interpretation requires manufacturer or distributor documentation for the specific series.

Can an Imeco ammonia coil be converted to freon?

Most ammonia coils are not directly convertible to freon. The metallurgy, oil compatibility, gasket materials, and capacity ratings differ. Some USB-series coils are designed for compatibility with either ammonia or freon, which is part of their procurement appeal. For other series, consult a refrigeration engineer before attempting conversion.

How do I know what capacity Imeco coil I need?

Coil capacity sizing requires the cooling load (BTU/hr), the operating temperature, the design TD, and the application type (cooler, freezer, blast freezer). Imeco’s capacity ratings are stated at standard TDs (typically 10°F or 15°F), so actual capacity in your application depends on your system’s operating TD. A qualified refrigeration engineer should size to your specific load.

Are Imeco replacement parts still available?

Yes. Imeco parts and components remain available through industrial refrigeration parts distributors and aftermarket suppliers. Common consumables, motors, and fan assemblies are readily sourced. For specific coil components, work with a distributor familiar with the Imeco product line.

What is the typical lifespan of an industrial evaporator coil?

Properly maintained industrial evaporator coils routinely deliver 20 to 30-plus years of service. The coil itself the heat transfer surface is among the most durable components in a refrigeration system. Fan motors, drain pans, and defrost components may be serviced or replaced over the coil’s lifetime.

Browse Imeco Inventory, Quote, or Sell

Refrigeration Equipment Pros stocks used Imeco evaporator coils, unit coolers, and evaporative condensers across the major series as availability allows. To browse current evaporator inventory or discuss a specific application, visit the shop or call 201-805-1441. If you are decommissioning a plant or have surplus Imeco equipment to sell, we buy.

Refrigeration Equipment Professionals

refrigerationequipment.net

Posted on May 26, 2026May 20, 2026 by Refrigeration Equipment Professionals

Vogt Tube-Ice Machines: Specs, Models, and the Used Market

QUICK ANSWER

Vogt Tube-Ice machines are heavy-duty cylindrical ice makers produced by Henry Vogt Machine Co. in Louisville, Kentucky since 1938. Current production capacities range from 3 tons per day (HFO3 series) to 80 tons per day (P34AXL and P34FXL). The lineup is built around the HFO refrigerant series for smaller capacities and the P34 series for larger industrial applications, with both ammonia and freon variants. Vogt machines are known for long service life 30-year-old units are commonly still in daily operation. Common applications include packaged ice, fish processing, beverage, chemical processing, concrete cooling, and bakery dough cooling.

Why Vogt Has Defined Tube-Ice for 85-Plus Years

Henry Vogt Machine Co. introduced the world’s first automatic-sized tube-ice machine in 1938. Since then, the Louisville-based manufacturer has supplied more than 20,000 customers across 160 countries with industrial ice production equipment. The reason for that longevity is mechanical, not promotional: Vogt machines are over-engineered to a standard that other ice makers are not.

The clearest evidence is in the field. Vogt itself notes that 30-year-old Tube-Ice machines are commonly found in daily operation, and procurement professionals across packaged ice, fish processing, and beverage industries routinely buy used Vogt equipment knowing it has substantial remaining service life. For procurement teams who already know what they want, a quality used Vogt is rarely a compromise.

How Tube-Ice Is Made and Why It Matters

Vogt’s tube-ice design is mechanically distinctive. Water circulates through vertical stainless steel tubes inside a refrigerated chamber. Ice forms from the outside of the tube inward — meaning impurities are progressively rejected toward the center as the ice freezes. The result is a cylindrical ice form that is both purer and harder than ice produced by most flake or plate machines.

When the ice reaches optimal thickness, warm refrigerant briefly enters the vessel, the ice releases from the tubes, drops into the storage tank, and breaks naturally into cylindrical pieces. There is no cutter mechanism for standard tube ice (a crushed-ice cutter is available as an option), which means fewer moving parts to wear out and less ice loss to fines. The standard tube-ice product is available in three diameters — 7/8″, 1-1/8″, or 1-3/8″ — each approximately one inch long.

Beyond purity and durability, the design economics also matter on the used market: the stainless steel tube bundle is the heart of the machine, and stainless construction is corrosion-resistant by design. Tube bundles routinely outlast multiple generations of controls, motors, and compressor packages.

Current Vogt Model Lineup

Vogt has consolidated its current production around two refrigerant strategies: the HFO line for low-GWP applications at smaller capacities, and the P34 series in both ammonia and R-404A variants for larger industrial applications. The full current lineup:

Model Series	Capacity	Refrigerant	Configuration	Common Applications
HFO3 / HFO5 / HFO10	3, 5, 10 tons/day	HFO blend (low GWP, zero ODP)	Self-contained, water- or air-cooled	Foodservice, hospitality, mid-size packaged ice, beverage
P34A / P34F	50 tons/day	P34A: ammonia. P34F: R-404A	Self-contained water-cooled	Mid-size ice production without central refrigeration plant
P34AL / P34FL	50 tons/day	P34AL: ammonia. P34FL: R-404A	Low-side (requires dedicated high-side or central plant)	Industrial plants with existing refrigeration systems
P34AXL / P34FXL	80 tons/day	P34AXL: ammonia. P34FXL: R-404A	Low-side (requires high-side or central plant)	Large packaged ice, fish processing, industrial cooling
Legacy P-series (P112, P118, P18XT)	3 to 10 tons/day	Older R-22 or R-404A units	Various	Replaced by HFO line for new production; widely available used

A note on the R-404A units: Vogt has been transitioning new production away from R-404A toward the HFO line at the smaller capacities, with the first HFO units installed commercially in 2019. The P34F and P34FL series remain part of the current production lineup at the 50-ton capacity. For larger applications, the P34AXL ammonia low-side unit at 80 tons per day is a workhorse of the modern Vogt lineup.

Applications and Industry Fit

Vogt Tube-Ice machines serve a remarkably broad set of industries. Sizing typically pairs with the application as follows:

Packaged ice (retail and wholesale). HFO5 through P34A/P34F series, scaling up as production volume grows.
Fish processing and fishing vessels. Ammonia low-side variants (P34AL, P34AXL) common at plant scale; smaller HFO units in marine and dockside applications.
Poultry and meat processing. Mid-size HFO or P34 series for in-line cooling and product packing.
Bakery. Tube ice is added directly to dough to offset the heat of hydration (flour absorbing water) and the heat of friction from mixer motors. HFO5 and HFO10 are common.
Concrete cooling. Used in large pours where aggregate temperatures are high or strength specifications require precise mix temperature control. Capacities vary by project, with P34-series units common.
Chemical processing. Vogt machines provide cooling for organic dye production, thermal-sensitive paper coatings, and reactor jacket cooling. The machines also function as efficient chillers when not making ice.
Catering, airlines, and food service. Smaller HFO series units handle these applications.

Buying a Used Vogt: What to Verify

Vogt’s reputation for longevity does not eliminate the need for diligence. The procurement checklist for used Vogt equipment:

Confirm the refrigerant. Ammonia, R-404A, or HFO — each has different implications for operating cost, parts compatibility, and long-term refrigerant availability. Older units may have refrigerant change history that needs documentation.
High-side vs. self-contained. Low-side machines (the “L” in P34AL, P34FL, P34AXL, P34FXL) require a paired high-side or central refrigeration system. Self-contained units (P34A, P34F, HFO series) are complete. Confirm which configuration you are buying and that it matches your plant.
Evaporator tube condition. The tube bundle is the heart of the machine. Stainless steel construction supports very long life, but verify the bundle has not been damaged by improper operation (running dry, freeze damage, or chemical attack).
Control platform. Newer Vogt machines run Allen-Bradley PLC controls. Older units may have legacy electromechanical controls, relay logic, or earlier PLC platforms. Control upgrades are possible but add cost.
Voltage configuration. 60Hz US and 50Hz international units differ. Common configurations include 208/230V, 460V, 575V at 60Hz, and 400V at 50Hz. Confirm the unit matches your plant’s electrical system.
Cutter mechanism. If your application uses crushed ice, verify the cutter is present and functional. Cylindrical ice is the standard product, with crushed ice as an option.
ASME compliance documentation. Vogt machines are manufactured to ASME pressure vessel code. Confirm the documentation chain is intact.

Frequently Asked Questions

How long does a Vogt Tube-Ice machine last?

Vogt machines are engineered for very long service lives – Vogt itself cites 30-year-old machines still in daily operation. The stainless steel tube bundle is the most durable component; controls, motors, and compressors typically get serviced or replaced over the machine’s lifetime while the bundle continues.

What is the difference between a P34A and a P34AL?

The P34A is a self-contained water-cooled ammonia ice machine that operates as a complete system. The P34AL is a low-side ammonia ice machine that requires a paired ammonia high-side or central refrigeration plant. The L designation indicates the low-side configuration. Both produce 50 tons of ice per day.

Can a used freon Vogt be converted to a low-GWP refrigerant?

Refrigerant conversions affect the compressor, oil, gaskets, controls, and capacity. Some conversions are feasible; others require significant component changes. Consult Vogt or a qualified refrigeration engineer before committing to a refrigerant change on a used unit.

Are parts still available for old Vogt P118 and P112 machines?

Yes. Vogt continues to support legacy machines through factory service channels and authorized service partners. The tube bundle, the most durable component, rarely needs replacement; consumables, motors, and control components remain available.

What capacity Vogt machine do I need for my application?

Sizing depends on your daily ice requirement plus a safety margin for production variability. The HFO series covers 3 to 10 tons per day, the P34A and P34F handle 50 tons per day in self-contained configurations, and the P34AXL and P34FXL handle 80 tons per day in low-side configurations. Vogt and authorized distributors size machines to specific applications.

Browse Vogt Inventory, Quote, or Sell

Refrigeration Equipment Pros stocks used Vogt Tube-Ice machines across the HFO, P34, and legacy P-series lines as availability allows. To browse current ice machine inventory or discuss a specific application, visit the shop or call 201-805-1441. If you are decommissioning a plant or have surplus Vogt equipment to sell, we buy.

Refrigeration Equipment Professionals

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Posted on May 19, 2026May 20, 2026 by Refrigeration Equipment Professionals

Used Refrigeration Compressors: How to Source, Inspect, and Specify

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When buying a used industrial refrigeration compressor, verify: operating hours and last overhaul date, oil analysis history where available, motor and starter condition, original and current refrigerant, ASME documentation on associated vessels, control panel platform and revision, physical condition of the rotor or cylinders depending on compressor type, and dealer-provided test reports. Major industrial brands – Frick, Vilter, Mycom, Sabroe, GEA – have robust parts ecosystems that support multi-decade service life when these factors check out. Sourcing channels include established surplus dealers, direct plant decommissions, auctions, and consignment arrangements; each carries different tradeoffs of price, risk, and effort.

Why the Compressor Decision Matters Most

In an industrial refrigeration system, the compressor is the single most expensive piece of mechanical equipment and the one whose failure causes the most disruption. Get the compressor decision right and the rest of the system has something stable to work with. Get it wrong and the plant pays for it in downtime, repair labor, and lost production for years.

That weight is exactly why the used compressor market exists. Industrial compressors are engineered for decades of service. A 20-year-old Frick RWB-II that has been properly maintained and overhauled is not a compromise — it is a known-good asset with documented service history, available immediately, at 40 to 60 percent of new pricing. The question is not whether used compressors can deliver. The question is how to evaluate which ones will.

The Four Compressor Types and Their Used-Market Characteristics

Each compressor type behaves differently on the used market. Knowing which type fits your application — and what to scrutinize on each — is the foundation of a smart purchase.

Type	Best For	Used-Market Strength	Key Inspection Focus
Reciprocating	Smaller capacities; multiple-unit installations; field-rebuildable service	Strong; widely available across brands and capacities	Valves, rings, cylinder bore condition, crankshaft, last overhaul scope
Twin-screw	Large continuous-duty industrial loads; cold storage, food processing	Very strong; Frick RWB-II, Mycom V/J, GEA, Sabroe widely available	Rotor condition, bearing life, slide-valve operation, oil separator
Single-screw	Large industrial; ammonia and CO₂; ice rinks and beverage	Strong; Vilter VSS dominant; Mycom SCV available	Helical rotor, gate rotors, balance, bearing condition
Semi-hermetic	Smaller commercial and process applications	Available but more limited at industrial scale	Internal seal integrity, motor windings, refrigerant compatibility

A few notes on type selection. Twin-screw compressors dominate larger continuous-duty applications because they handle high tonnages efficiently and offer excellent capacity control through slide valves. Single-screw compressors (Vilter’s specialty) deliver similar capabilities with a different mechanical design — balanced loads, low vibration, and long bearing life. Reciprocating compressors remain the right answer at smaller capacities and where field-rebuild capability is a priority. Semi-hermetic units are common in commercial and smaller process applications but are less typical at true industrial scale.

The Pre-Purchase Verification Checklist

Regardless of compressor type or brand, the verification process is the same:

Nameplate data. Brand, model, serial number, displacement, design pressure, year of manufacture. Without nameplate data, walk away — there is no way to verify what you are actually buying.
Operating hours. Where the unit had an hour meter, what does it read? Equipment with 40,000 hours is in a very different position than equipment with 80,000 hours.
Last major overhaul. Date, scope of work, who performed it, what was replaced. A documented recent overhaul is one of the strongest indicators of remaining service life.
Oil analysis history. Where the previous owner ran an oil analysis program, the records are gold. Iron, copper, and silicon levels over time tell the story of wear inside the machine.
Refrigerant history. Original charge, any conversions, current charge. An ammonia compressor that has only ever run on ammonia is straightforward; an HFC unit with conversion history needs additional scrutiny.
Motor and starter. Open-drive motors are usually replaceable, but verify condition, voltage, HP, and bearing service history. Verify the starter type (across-the-line, soft-start, VFD) and the panel age.
Control platform. Frick Quantum HD versus Plus versus Micro. Vilter Vission 21/20. Mycom MYPRO-CP3 or CP4. The control platform affects integration, parts, and the cost of any future upgrade.
Why it left service. Plant upgrade is a positive answer. Capacity change is a positive answer. “Failed” requires investigation. “We don’t know” is a red flag.
Storage condition. Indoor under cover is ideal. Outdoor exposed for extended periods is a concern, particularly for control panels, motors, and seal faces.

Red Flags Procurement Should Walk Away From

Some signals do not require a long conversation:

Missing nameplate or no documentation chain. Without this, the equipment is unverifiable at any price.
Unknown reason for removal from service. A reputable dealer will know — or will say they don’t know and price the unit accordingly.
Refrigerant unclear or multiple conversions with no documentation. The compressor’s metallurgy and oil compatibility depend on refrigerant history.
Visible corrosion on the shaft seal, suction or discharge piping flanges, or main housing. Surface corrosion is one thing; structural corrosion is another.
Control panel modified by a previous owner without documentation. Custom modifications are not necessarily disqualifying, but they need to be understood.
Pricing that is significantly below market for a major brand and capacity. The industrial refrigeration surplus market is small enough that pricing anomalies usually indicate a problem.

Where to Source Quality Used Compressors

Four channels exist, each with different tradeoffs:

Established surplus dealers (the preferred path for most plants). The dealer has inspected the equipment, documented its condition, and handles removal, crating, shipping, and export logistics. The buyer pays a markup over direct-purchase pricing but gets a single point of contact, dealer warranty terms, and immediate availability from stocked inventory.
Direct purchase from plants decommissioning equipment. The lowest pricing, but the inspection burden, the removal logistics, and the risk are entirely on the buyer. This path works for plants with their own engineering and rigging capabilities or for projects where the buyer has direct relationships with the seller.
Auctions. Fast cash for the seller, often-aggressive pricing for the buyer, but typically as-is and frequently without documentation or testing. Auctions can work for sophisticated buyers who can inspect equipment in person and accept the risk profile.
Consignment. The dealer markets the equipment on behalf of the owner and splits proceeds. Useful for unusual or hard-to-place items and for sellers who want broader exposure than direct sale would provide.

Typical Cost Savings and Lead Times

Used industrial refrigeration compressors typically cost 40 to 60 percent less than comparable new equipment. Specific brands and capacities can save more — particularly Frick RWB-II screw compressors, Vilter single-screws, and Mycom V/J series screws, all of which have strong used-market supply.

Lead times move in the opposite direction. New industrial compressors commonly run 12 to 18 months for delivery on custom-configured packages; some brands have exceeded 24 months during supply-chain disruptions. Quality used inventory ships in days to weeks. For a plant facing a failed compressor in the middle of production, that timeline is the difference between meeting demand and losing customers.

Frequently Asked Questions

How long do used industrial refrigeration compressors last?

Properly maintained industrial compressors routinely deliver 20 to 30-plus years of service. The remaining life on a used unit depends on operating hours, maintenance history, and the rigor of any pre-sale overhaul. Documented service records are the strongest indicator of remaining service life.

What is the most reliable used compressor brand?

All five major industrial brands – Frick, Vilter, Mycom, Sabroe, and GEA – have strong reliability records. The decision typically comes down to plant standardization, parts proximity, and application fit rather than absolute brand reliability differences.

Should I buy a bare compressor or a complete package?

A complete package includes the compressor, motor, oil separator, oil cooler, control panel, and skid. Complete packages are generally easier to install and commission. Bare compressors are useful for plants that want to integrate the unit into an existing skid or that want to specify their own controls and accessories.

Can I retrofit a used compressor to a different refrigerant?

Refrigerant changes affect compressor metallurgy, oil compatibility, gasket and seal materials, and capacity. Some retrofits are straightforward; others require significant component changes. Consult a qualified refrigeration engineer before committing to a refrigerant change on a used compressor.

How much do used industrial compressors cost vs. new?

Used industrial refrigeration compressors typically cost 40 to 60 percent less than comparable new equipment. Larger savings are possible on specific brands and models with strong used-market supply. Lead times are also dramatically shorter – days to weeks for inspected used inventory versus 12 to 18 months for new.

Browse Compressors, Quote, or Sell

Refrigeration Equipment Pros stocks industrial refrigeration compressors across all four types and the major brands. Each unit on the floor has documented condition, operating history where available, and dealer terms in writing. To browse current inventory or discuss a specific application, visit the shop or call 201-805-1441. If you are decommissioning a plant or have surplus compressors to sell, we buy.

Refrigeration Equipment Professionals

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Posted on May 12, 2026May 20, 2026 by Refrigeration Equipment Professionals

Ammonia Compressor Brands Compared: Frick, Vilter, Mycom, Sabroe, and GEA

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The major industrial ammonia compressor brands are Frick (Johnson Controls), Vilter (Copeland), Mycom (Mayekawa), Sabroe (Johnson Controls), and GEA, with Howden, FES, and Dunham-Bush also active in the used market. Each has distinct strengths: Frick and Sabroe dominate North American food and beverage processing; Vilter specializes in single-screw ammonia and CO₂ designs; Mycom has strong global presence including marine and offshore applications; GEA serves a broad industrial base rooted in European engineering. All five maintain robust parts and service ecosystems in North America, making them strong candidates for used-equipment buyers.

Why Brand Matters in the Used Ammonia Compressor Market

In a market where individual compressors can run 20 to 30-plus years, brand choice is not just about the equipment in front of you — it is about what the next two decades of operation will cost. Parts ecosystem, technician familiarity, plant standardization, and resale value all hinge on which name is cast into the compressor housing.

This guide profiles the five major industrial ammonia compressor manufacturers procurement professionals encounter most often in North America and Latin America, plus three secondary brands worth knowing. Each profile covers the lineup, typical applications, parts strength, and what to look for in the surplus market.

Frick (Johnson Controls)

Frick is the dominant ammonia compressor brand in North American food and beverage processing. Now operating under Johnson Controls, the brand has been a fixture in industrial refrigeration for over a century, and the installed base across cold storage, dairy, meat, and beverage plants is substantial.

The current screw lineup centers on the RWB-II rotary screw, the RDB-II booster screw, the RWF, and the newer RXB and RXF platforms with TDSH and TDSL series rotors. High-speed reciprocating compressors complement the screw lineup at smaller capacities. The Quantum HD control panel is widely deployed on modern packages; older units commonly carry the legacy Frick Plus or Micro controllers.

Used-market notes: Frick RWB-II and RDB-II compressors are among the most common used industrial screw compressors available in North America. Parts and aftermarket support are strong through the Johnson Controls service network. For a plant already standardized on Frick, adding a matched used unit is often the most cost-effective expansion path.

Vilter (Copeland)

Vilter has 150 years of industrial refrigeration manufacturing history and is now a Copeland brand. The company is best known for single-screw compressors — a distinctive design that uses a single helical rotor meshing with two gate rotors, delivering balanced loads, low vibration, and long service life.

The current lineup includes the VSS, VSM, and VSR single-screw platforms for ammonia and CO₂, plus reciprocating compressors. The 440, 444, and 450 reciprocating series have been widely deployed historically and remain in service across the industry. Vilter has also led on transcritical and subcritical CO₂ single-screw designs as natural refrigerant adoption has accelerated.

Applications skew toward larger cold storage, beverage processing, ice rinks (Vilter reciprocating compressors are specified at multiple international speed-skating venues), and petrochemical process refrigeration. Used-market demand for Vilter single-screw compressors is consistently strong.

Mycom (Mayekawa)

Mycom is the industrial refrigeration brand of Mayekawa, a Japanese manufacturer with strong global presence including a substantial North American footprint through Mycom International Refrigeration in Texas. Mycom is the only one of the five major brands with deep roots in marine and offshore refrigeration alongside food, beverage, and industrial applications.

The reciprocating lineup includes the A and B series — both popular in smaller refrigeration plants and notable for being highly field-rebuildable, which makes them strong candidates on the used market — and the newer N series. The screw lineup covers the V series (single-screw legacy), the J series, and the SCV series with model designations like the 200 VLD (a 204mm rotor diameter single-screw). Capacities range from roughly 276 CFM to 2,259 CFM across the screw line.

Used-market notes: Mycom V and J series screw compressors are widely available, and the A and B reciprocating series are among the most rebuildable industrial recips on the market. For plants in marine, offshore, or coastal industrial applications, Mycom’s heritage in those environments is a meaningful advantage.

Sabroe (Johnson Controls)

Sabroe celebrated 125 years of industrial refrigeration manufacturing in 2024. Now part of Johnson Controls alongside Frick and York, Sabroe brings a European engineering heritage and is particularly strong in marine, offshore, and demanding industrial applications.

The reciprocating lineup is broad: 34 different sizes of single-stage compressors, 13 single-stage sizes for high-pressure applications, and eight sizes of two-stage compressors for low-temperature applications. The screw lineup includes more than 24 standard models covering 200 to 8,600 cubic meters per hour swept volume at 50 Hz.

Used-market notes: Sabroe equipment shows up across North American surplus inventories, particularly on the East Coast and Gulf Coast where marine and offshore applications drive standardization. Parts support is strong through Johnson Controls.

GEA

GEA brings together several industrial refrigeration heritages — Grasso compressors and the FES brand are both now part of the GEA portfolio. The company manufactures a broad lineup of screw and reciprocating compressors for commercial and industrial refrigeration, air-conditioning, and heat pump applications.

The current lineup includes screw compressors with models like the CompaX, a low-charge ammonia design positioned for industrial air-conditioning where minimizing refrigerant inventory is a priority. Reciprocating compressors round out the range. GEA’s aftermarket includes service kits, original spare parts, and PR-OLEO ammonia oils specifically formulated for screw and reciprocating compressor service.

Used-market notes: GEA Grasso reciprocating and screw compressors are well-represented in surplus inventories, particularly units that were originally specified by European-headquartered manufacturers operating North American plants. FES legacy units (now under GEA) are commonly available across the United States.

Side-by-Side Brand Comparison

Use the table as a quick-reference frame. Each row simplifies considerably what is in practice a brand-specific procurement conversation.

Brand	Best Fit	Lineup Focus	Parts in N. America	Used Market Notes
Frick	Food and beverage processing, cold storage	Twin-screw and high-speed reciprocating; Quantum HD controls	Strong (Johnson Controls)	RWB-II and RDB-II screws among the most common used industrial compressors
Vilter	Large cold storage, beverage, ice rinks, petrochemical	Single-screw and reciprocating; ammonia and CO₂	Strong (Copeland)	VSS single-screw and 4xx-series recips in steady demand
Mycom	Food and beverage, marine, offshore, industrial	Single-screw (V, J, SCV) and reciprocating (A, B, N)	Strong (Mayekawa, TX)	V/J screws and A/B recips field-rebuildable; widely available used
Sabroe	Marine, offshore, tough industrial applications	Reciprocating (broad size range) and screw	Strong (Johnson Controls)	European engineering heritage; steady N. American used presence
GEA	Industrial refrigeration across food, dairy, beverage	Screw (incl. CompaX) and reciprocating; integrates Grasso, FES heritage	Strong (GEA aftermarket and service kits)	Grasso and FES legacy units common in surplus inventory

Brands Worth Knowing: Howden, FES, and Dunham-Bush

Three additional names show up in industrial ammonia procurement conversations and surplus inventories:

Howden — Scottish-rooted engineering firm with twin-screw compressors widely deployed in industrial gas and refrigeration. Strong technical reputation; aftermarket support is generally available in North America.
FES — Now part of GEA. Strong North American legacy footprint, particularly in food processing. FES compressor packages and FES Micro III control panels remain in active service across hundreds of plants.
Dunham-Bush — Historical industrial chiller and screw compressor presence. Less common in current production but still encountered on the used market.

How to Choose Across Brands

Most procurement decisions are not abstract brand comparisons — they are constrained by the realities of an existing plant or a specific project. The framework that works:

Plant standardization comes first. If the plant runs Frick, the operations team knows Frick, and the spare parts shelf has Frick parts on it, adding a different brand creates ongoing friction. Match the existing standard unless there’s a strong reason not to.
Parts proximity matters. All five brands have strong North American parts ecosystems, but regional service-network coverage varies. Confirm response time on critical parts before committing to a brand the local service contractor doesn’t typically work on.
Application fit. Marine and offshore: Mycom and Sabroe have the deepest heritage. Ice rinks and large beverage: Vilter has a particularly strong record. Food and beverage processing: Frick and GEA are exceptionally well-represented.
Used-market availability at the capacity you need. A 350 HP Mycom screw and a 350 HP Frick screw will both do the job, but the one that’s actually sitting in a warehouse ready to ship is the one that solves the procurement problem.

Frequently Asked Questions

Which ammonia compressor brand has the best parts availability?

All five major brands – Frick, Vilter, Mycom, Sabroe, and GEA – have strong parts and aftermarket support in North America. Frick and Sabroe are supported through the Johnson Controls service network, Vilter through Copeland, Mycom through Mayekawa, and GEA through its own aftermarket organization.

Are Mycom screw compressors as good as Frick or Vilter?

Yes. Mycom is one of the major global industrial refrigeration manufacturers and its screw compressors compete directly with Frick and Vilter in capacity, efficiency, and longevity. The choice between them is typically driven by plant standardization, parts proximity, and application fit rather than fundamental performance differences.

Can I mix brands in the same refrigeration system?

Technically yes, mechanically often, but operationally it adds complexity. Mixing brands means multiple control platforms, multiple parts inventories, and technicians who need familiarity with each. Most plants standardize on one or two brands to simplify operations. Consult a qualified refrigeration engineer if mixing brands is being considered.

What is the difference between a single-screw and a twin-screw ammonia compressor?

A single-screw compressor uses one helical rotor meshing with two gate rotors (Vilter is the leading example). A twin-screw uses two intermeshing helical rotors (Frick, Mycom V/J series, Sabroe, and GEA screw compressors are typically twin-screw). Both designs deliver excellent capacity control and long service life; the differences are in balance, complexity, and design tradeoffs.

Are old Frick RWB-II compressors still worth buying used?

Yes, in many cases. The Frick RWB-II is among the most widely deployed industrial screw compressors in North America, parts and aftermarket service are well established, and well-maintained units have substantial remaining service life. Verify operating hours, overhaul history, and rotor condition before purchase.

Browse Compressors, Quote, or Sell

Refrigeration Equipment Pros stocks industrial ammonia compressors from all five major brands — Frick, Vilter, Mycom, Sabroe, and GEA — plus Howden, FES, and Dunham-Bush as availability allows. To browse current inventory or discuss a specific application, visit the shop or call 201-805-1441. If you have surplus compressors to sell, we buy.

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CALL/TEXT:201-805-1441

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Why Capacity Planning Comes First

The Components of the Heat Load

Temperature Regimes: Chilled vs. Frozen

Converting Load to Tons of Refrigeration

Matching Equipment to the TR Target

The Market Context for Buyers

Why Surplus Fits Capacity Expansion Economics

Frequently Asked Questions

How do I estimate tons of refrigeration for a cold storage room?

Why does frozen storage need more refrigeration than chilled storage?

Can I build a cold storage system from used equipment?

What is temperature difference (TD) and why does it matter for evaporators?

QUICK ANSWER

What “Low-Charge” Actually Means

The Configurations

Why Plants Are Switching

Energy and Performance

The Adoption Trend in Numbers

Which Surplus Components Fit a Low-Charge Build

Frequently Asked Questions

How much less ammonia does a low-charge system use?

Does low-charge ammonia avoid PSM and RMP requirements?

Can I build a low-charge system from used equipment?

Is low-charge ammonia less efficient than a traditional plant?

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The Numbers Behind the Shift

How the Two Refrigerants Differ Operationally

Where Ammonia Wins

Where CO2 Wins

The Surplus-Market Angle

Buying Considerations for Each

Frequently Asked Questions

Is CO2 going to replace ammonia in industrial refrigeration?

Why do CO2 systems use higher-rated components?

Does the HFC phase-down favor ammonia or CO2?

Is used ammonia equipment a good value right now?

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What Actually Changed on January 1, 2026

The Refrigerants in the Crosshairs

Leak Rate Thresholds and Repair Clocks by Sector

The Retrofit-or-Retire Calculus When Buying Used

Why the Rules Are Steering Buyers Toward Ammonia and CO2

A Status Caveat Worth Reading

What to Ask a Seller Before You Buy

Frequently Asked Questions

Does the 2026 leak repair rule apply to ammonia or CO2 systems?

Can I still buy and operate a used system charged with R-404A?

What is GWP and why does the 53 threshold matter?

How does this affect the resale value of my equipment when I sell?

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Why Mycom Has a Distinct Position in Industrial Refrigeration

Mycom’s Reciprocating Lineup

Mycom’s Screw Compressor Lineup

The Mycom 200 VLD: A Closer Look

Mycom Lineup at a Glance

Buying a Used Mycom: What to Verify

Frequently Asked Questions

Is the Mycom 200 VLD a reciprocating or screw compressor?

How does Mycom compare to Frick and Vilter for industrial ammonia applications?

Are Mycom A and B series reciprocating compressors still being made?

What does “N200VLD” mean – how do I decode Mycom model numbers?

Where are Mycom compressors made?

Browse Mycom Inventory, Quote, or Sell

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Why Refrigeration Plants Decommission

Understanding What Your Equipment Is Worth

Preparing Equipment for Sale

Your Four Sale Paths

The Removal and Logistics Question

How REP Approaches Purchasing

Frequently Asked Questions

Who buys used industrial refrigeration equipment?

How much is my used refrigeration equipment worth?

Does the buyer remove the equipment?

How quickly do I get paid?

What documentation do I need to sell?

Start a Conversation About Your Equipment

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