Industrial Refrigeration Systems — NH₃, CO₂ & Cascade Plants for Food, Pharma & Process Industry.
Supplier-neutral RFQ and procurement support for industrial refrigeration plants in food processing, cold storage, pharma, dairy, breweries and chemical facilities. ColdMatch reviews your project brief, approaches suitable OEM/EPC suppliers on your behalf and presents organized, comparable proposals. Free for buyers; for projects from USD 250,000. Qualified projects may optionally be introduced to independent financing partners.
A senior cold-chain specialist stays with your project from first brief to commissioning.
Talk to a cold-chain expert on WhatsAppWhy source with ColdMatch
Full plant scope
Compressor racks, condensers, evaporators, pumps, vessels, controls, plantroom, safety and commissioning.
Any temperature
+15°C process cooling · 0/4°C chilled · -25°C freezer · -40°C blast/IQF · cascade -50°C.
Refrigerant-agnostic
NH₃, CO₂ transcritical/subcritical, NH₃/CO₂ cascade, HFO — chosen on TCO, not vendor preference.
Heat recovery built in
60–90°C reclaimed heat for CIP, process, tank and space heating; savings depend on site heat demand.
Safety & compliance
EN 378, IIAR, ATEX, ASHRAE 15 zoning, ammonia detection, PSM and local pressure-vessel codes.
Lifecycle scope in the RFQ
Ask bidders to price O&M contracts, spares, retrofits and refrigerant phase-out separately so offers compare like for like.
Typical specifications we source
- Project value
- USD $250K – $10M+
- Plant capacity
- 100 kW – 10 MW+
- Refrigerants
- NH₃ (R717) · CO₂ (R744) · NH₃/CO₂ cascade · HFO · HFC (retrofit only)
- Applications
- Cold storage · Food processing · Dairy · Breweries · Pharma · Chemical
- Delivery models
- Buyer-side design · Multiple OEM quotes · Turnkey EPC · Retrofit
- Standards
- EN 378 · IIAR · ASHRAE 15 · ATEX · GMP · PED
Frequently asked
How ColdMatch Group works — independent B2B procurement and sourcing platform — ColdMatch Group is an independent B2B procurement and sourcing platform for industrial refrigeration, cold storage and cold-chain projects from USD $250K+, where the ColdMatch team reviews each buyer brief, contacts suitable third-party suppliers on the buyer's behalf and organizes their responses.
Request a managed sourcing review
Send one request. The ColdMatch team reviews it, contacts suitable manufacturers, EPC contractors and turnkey providers on your behalf and presents organised responses. Free for buyers.
Start Free RFQIndustrial refrigeration systems: is this the right category?
Industrial refrigeration covers central plant — compressors, condensers, evaporators, pumps and controls — typically above 100 kW cooling duty. ColdMatch collects your load and site data and routes it to system integrators and OEMs for comparable quotes.
Best for
- Central NH3, CO2 transcritical or cascade plant for processing and storage sites
- Plant replacement, capacity expansion or energy retrofit on existing facilities
- Projects where refrigerant choice, efficiency and compliance drive the decision
- Multi-building or campus cooling with several temperature zones
Not ideal for
- Single packaged condensing units for one small room
- Comfort air conditioning only (see commercial air conditioning)
- Service contracts, spares or routine maintenance
Information checklist before an RFQ
- Total cooling duty (kW or TR) per temperature level
- Evaporating and condensing temperatures, or product loads if duty is unknown
- Refrigerant preference and any national regulatory restrictions
- Existing plant details for retrofit (age, refrigerant, capacity)
- Electrical supply, water availability and heat rejection method
- Uptime, redundancy (N+1) and monitoring requirements
Industrial refrigeration system types compared
The main plant types and what each needs in a quote request. Which one suits a given site is decided by a competent refrigeration engineer.
Ammonia (NH₃) plant
Central plant, commonly with screw or reciprocating compressors, for large freezing, storage and process loads where a machinery room and trained operators can be provided.
CO₂ transcritical
Low-GWP packaged and engineered systems used in food retail, processing and distribution; heat recovery is often part of the design.
Glycol & secondary loops
Indirect cooling that keeps the primary refrigerant in the plant room and circulates glycol or brine to processing halls and production areas.
Process chillers
Packaged air- and water-cooled chillers for production cooling and utilities.
Choosing the refrigerant
There is no universally best refrigerant. Ammonia is often efficient at large capacity but needs safety engineering, gas detection and trained operators. CO₂ is widely used for medium loads and heat recovery. HFO, propane and glycol systems are compared where charge limits, safety zoning or local service capability narrow the options. The choice for a specific site belongs with a competent refrigeration engineer.
Bidding a plant fairly
The RFQ states duty at defined outdoor and evaporating temperatures, redundancy, control philosophy, noise limits and spares, so bidders price the same machine and differences in price reflect real differences in scope.
Service, spares and lifecycle
Each RFQ asks bidders to state local service coverage, spare-parts lead times and a lifecycle view — energy, maintenance, refrigerant management and expected overhaul intervals — so offers can be compared beyond the purchase price.
Already operating an industrial refrigeration system?
Before buying new capacity, confirm what limits the plant you own. Many sites gain capacity or lower energy use through targeted upgrades; others need staged replacement. The decision should follow measured data and lifecycle cost.
- Upgrade or replace the system?
- Upgrade when pipework, vessels and power supply are sound and the limit is specific components, controls or refrigerant. Replace when major parts are ageing together, the refrigerant has no long-term path, or capacity must change substantially.
- What drives upgrade cost?
- Scope of plant affected, electrical supply, refrigerant work, temporary cooling and downtime, access, permits and commissioning. Ask bidders to price these separately.
- How should ROI be modelled?
- From the measured baseline, tariff, running hours and the share of load each measure affects, with an agreed method to verify savings after installation.
- Modernising an existing ammonia plant
- Existing facility upgrade hub
- Retrofit or replace framework
- Diagnose bottlenecks
- Upgrade ROI assumptions
How does an industrial refrigeration system work?
Most industrial plants use a vapour-compression cycle: evaporators absorb heat from the cold room or process, compressors raise the refrigerant pressure, condensers reject the heat outdoors (often through evaporative or air-cooled units), and an expansion device returns the refrigerant to the evaporators. Large plants add vessels, pumps, controls and safety systems, and may run ammonia (NH₃), CO₂ (R744), cascade or secondary-coolant (glycol) arrangements depending on temperature, capacity and site rules.
Which official refrigerant rules apply to a new plant?
They depend on the jurisdiction. In Great Britain, operators of HFC systems follow the GB F-gas rules published on GOV.UK, while Northern Ireland is part of the EU F-gas system. In the EU, Regulation (EU) 2024/573 on fluorinated greenhouse gases sets HFC phase-down and equipment restrictions. Ammonia is not an F-gas; for ammonia plants in Great Britain, HSE guidance on pressure systems and on refrigeration at major-hazard sites is the usual starting point. In the US, the EPA regulates HFCs under the AIM Act Technology Transitions program, and ammonia systems above 10,000 lb fall under OSHA Process Safety Management (29 CFR 1910.119). Ask suppliers to state which rules their proposal was checked against and confirm locally with a qualified engineer.
How do I choose an industrial refrigeration system?
Selection follows the application, cooling capacity, required temperature, energy cost, refrigerant regulation in the market, refrigerant availability and the maintenance capability on site. Ammonia is efficient at scale but needs trained operators and safety zoning; CO₂ suits low-charge and urban sites; HFO fits smaller or retrofit duties. No refrigerant is universally best — the trade-off is CAPEX, OPEX, safety and compliance.
What affects industrial refrigeration energy consumption?
Compressor efficiency and part-load control, variable-speed drives, suction and condensing temperature, condenser performance and cleanliness, evaporator sizing, insulation quality, defrost strategy, door management, controls tuning and maintenance discipline. Floating head pressure and heat recovery are common improvement routes. Actual savings depend on the plant and cannot be guaranteed before survey.
Central plant or distributed systems?
Central plants give better efficiency, easier heat recovery and lower lifetime energy cost at larger capacities, at the price of higher CAPEX and a single point of failure that must be mitigated with N+1. Distributed packaged systems are cheaper to install, easier to phase and fail independently, but generally use more energy per kW at scale.
- •100–500 kW packaged plant for medium processors
- •500 kW–2 MW central plant for large processing sites
- •2 MW+ multi-compressor plant for distribution and mega projects
Exact system sizing depends on required temperature, ambient climate, product load and turnover rate, door openings, insulation specification, storage duration, redundancy level and operating hours. ColdMatch does not manufacture equipment — we help industrial buyers compare suitable suppliers and technologies against project-specific technical and commercial requirements.
From guide to calculator to request
- 1. Read the guide
Understand scope, standards and the trade-offs that drive cost before you size anything.
- 2. Estimate with your own inputs
Free calculators give planning-level figures only. Enter your own dimensions, temperatures, tariff and efficiency values.
- 3. Submit a reviewed RFQ
The ColdMatch team reviews your brief, contacts suitable suppliers on your behalf and presents organised responses. Free for buyers; projects from USD 250,000.
What do buyers need before requesting quotes?
Location, application and product, temperature range, capacity and throughput, power availability, preferred refrigerant if fixed by policy, budget range and target date. A complete brief gets more comparable responses.
How are qualified providers considered?
Manufacturers, cold-room builders and integrators share their capabilities with ColdMatch. When a reviewed buyer project fits their technology, size range and region, the team may contact them. No public listings, no direct buyer contact and no guaranteed leads. For suppliers
Calculator method notes state their formulas and reference sources on each tool page. Results are planning estimates, not quotes or designs; final sizing, refrigerant choice and safety design must be reviewed by a qualified refrigeration engineer. Path reviewed 13 Oct 2026.
- •Country, project location and site status (greenfield or existing building)
- •Application and product stored or processed
- •Required temperature range and any humidity requirement
- •Storage capacity (m², m³ or pallet positions) and daily throughput
- •Ambient/design climate conditions at site
- •Available power supply and backup or redundancy requirement
- •Preferred refrigerant, if already defined by policy or regulation
- •Indicative budget range and target commissioning date
Cold room, warehouse, blast/IQF freezing or ammonia plant: which project is yours?
These four get mixed up in searches and in RFQs, but each is scoped and sized differently. Name the project type first, then brief suppliers in the unit that fits it.
Cold room
One insulated room, often built inside an existing building, cooled by packaged or split refrigeration units.
Sized by: Internal volume (m³) or pallet positions, plus daily product intake.
Cold-storage warehouse
A whole temperature-controlled building: insulated envelope, several temperature zones, loading docks, racking and usually a central refrigeration plant.
Sized by: Pallet positions per zone and daily throughput (pallets in and out).
Blast or IQF freezing
Equipment that freezes product quickly: batch blast rooms or tunnels, or continuous IQF freezers for individual pieces. It sits before frozen storage; a store holds product that is already frozen.
Sized by: Kilograms per hour or tonnes per day, with product entry and target temperatures and freezing time.
Ammonia (NH₃) refrigeration plant
A refrigeration system type, not a building type: a central plant using ammonia (R717) that can serve warehouses, processing halls and freezers.
Sized by: Refrigeration duty in kW for each temperature level, at stated site conditions.
Whichever type it is, the refrigeration plant that serves it is compared on this page.
RFQ checklist: six things every quote request needs
- Temperature range. Storage or process setpoint and tolerance for each zone; for freezing, the product's entry temperature and target core temperature.
- Capacity. In the unit that fits the project type — m³, pallet positions, kg/h or t/day, or kW of refrigeration duty — plus daily intake and peak season.
- Refrigerant and compliance requirements. Preferred or excluded refrigerants, client or site rules (for example food-safety or medicines distribution requirements) and the codes your engineer wants the design checked against.
- Site. Country and location, outdoor design conditions, available power, existing building or new build, access and space for plant.
- Project stage. Concept, budget, design, tender, replacement or expansion; target dates; and whether funding is approved.
- Service scope. Supply only, supply and install, design-and-build or full EPC; and whether commissioning, training, maintenance and spares should be priced separately.
ColdMatch does not provide engineering design. Refrigerant choice, charge limits, machinery-room design, pressure-system examination and hazardous-area assessment are set for each site by a competent refrigeration engineer under the rules that apply there. Official UK starting points (checked 31 October 2026): GOV.UK — F gas in refrigeration, air conditioning and fire protection systems; HSE — COMAH technical measures: refrigeration; HSE — Pressure systems: a brief guide to safety (INDG261).
Free for buyers, for projects from USD 250,000. The ColdMatch team reviews your request, contacts suitable suppliers on your behalf and presents their responses through ColdMatch. Smaller projects can use the free calculators above.
Planning answers
- What is the difference between a cold room and a cold-storage warehouse?
- A cold room is a single insulated enclosure, often inside an existing building, cooled by packaged units and sized in m³ or pallet positions. A cold-storage warehouse is a whole temperature-controlled building with several zones, loading docks, racking and usually a central refrigeration plant, sized by pallet positions and daily throughput.
- Is blast freezing the same as frozen storage?
- No. Blast and IQF freezers remove heat quickly to bring warm product down to frozen temperature. Frozen storage then holds product that is already frozen. Freezers are sized by kg/h or tonnes per day; stores by volume or pallet positions.
- When is ammonia used in industrial refrigeration?
- Ammonia (R717) is commonly used for large, continuous duties in cold-storage warehouses, food processing and freezing, where a machinery room, gas detection and trained operators can be provided. It is toxic, so safety requirements are significant and set per site. There is no universal size threshold; low-charge ammonia, ammonia/CO₂ cascade and CO₂ systems are alternatives to compare at your design conditions.
- What should a refrigeration equipment RFQ include?
- At minimum: temperature range, capacity in the right unit, refrigerant and compliance requirements, site conditions, project stage and the service scope you want priced. Bids are only comparable when every supplier prices the same brief.
Related solutions
Take this to a GDP-qualified pharma RFQ
Pharma cold chain projects are judged on qualification and validation, not price alone. Confirm GDP, IQ/OQ/PQ and mapping requirements, then issue a documented RFQ.
Supplier-neutral. Free for buyers and project owners. Best suited to commercial projects from USD $250,000.
Next steps for your project
Wherever your project stands — early feasibility, budget approval or supplier selection — these are the practical next steps. Every stage is supported by our human expert team, and requesting quotes is free and supplier-neutral for buyers and project owners.