Refrigerant phase-out 2026: which refrigerants are banned, when, and what to replace them with
R404A is effectively gone, R134a and R410A are on quota-driven price escalation, and every cold-chain operator now needs a dated transition plan. This guide sets out the F-Gas 2024 and Kigali/AIM Act deadlines year by year, then turns them into a replacement decision matrix — with retrofit costs, payback and lead times you can hand to your engineering team or lender.
Short answer: R404A systems are end-of-life — move to R448A/R449A now and plan CO₂ or NH₃ by 2030. New systems above 5 tCO₂e charge must go natural refrigerant or HFO (GWP < 150) in most jurisdictions. R134a and R410A stay serviceable but get more expensive every quota step.
Refrigerant phase-out dates: what is banned and when (2025–2050)
The regulation runs on two parallel tracks: outright bans on placing equipment on the market, and a phase-down of HFC supply (quotas measured in CO₂ equivalents). Both bite.
- From 2025: new stationary refrigeration equipment with HFC charge > 5 tCO₂e is banned in the EU (with narrow exceptions)
- From 2027: service ban extended for most high-GWP HFCs in existing large systems
- By 2030: HFC quota reduced to ~24% of 2015 baseline
- By 2050: HFC supply reduced by >95%
- R404A (GWP 3,922) is already commercially unavailable at reasonable prices in EU/UK
What to replace R404A, R134a and R410A with
There is no single winner. Pick per application, temperature and site.
- CO₂ (R744, GWP 1) — supermarkets, distribution warehouses, industrial freezing above 500 kW. Best long-term choice for new-build.
- Ammonia (R717, GWP 0) — large industrial cold storage (>1 MW), food processing, IQF and blast tunnels. Lowest lifetime cost above 500 kW.
- Propane (R290, GWP 3) — small hermetic units, modular cold rooms up to ~200 kW. Charge limits apply.
- HFO blends (R454C, R455A, R1234yf) — retrofits of existing HFC plants where CO₂/NH₃ are impractical. GWP < 150.
- R448A / R449A — transitional HFC blends replacing R404A in existing systems. Buy time only, not a long-term answer.
Retrofit or replace? Decision matrix by capacity and plant age
Match capacity, temperature and site constraints to a shortlist of refrigerants.
- New-build, > 500 kW, industrial: NH₃ or CO₂ transcritical (or NH₃/CO₂ cascade for low-temp)
- New-build, 100–500 kW, commercial: CO₂ transcritical or propane cascade
- New-build, < 100 kW, modular: propane or HFO
- Retrofit, R404A plant < 10 years old: convert to R448A/R449A now, plan CO₂/NH₃ replacement by 2030
- Retrofit, R404A plant > 15 years old: full replacement with CO₂/NH₃ almost always pays back within 5–7 years
- Retrofit, R134a chiller: HFO R1234ze retrofit or replace with propane/CO₂ chiller
What delay costs: refrigerant prices, insurance and financing
Refrigerant price is the visible number, but not the biggest cost.
- R404A service gas prices rose 400–800% between 2020 and 2025 in the EU
- Insurance premiums on high-GWP systems now include phase-out riders
- Financing terms tighten for high-GWP assets (ESG-linked loans and green bonds require GWP disclosure)
- Resale value of high-GWP plant is falling toward zero
Five-year refrigerant transition roadmap for existing operators
A defensible 5-year plan you can put in front of a board or lender.
- Year 1: audit every system — refrigerant, charge, age, leak rate, GWP tonnes
- Year 1–2: switch R404A systems to R448A/R449A drop-ins, cut leak rates below 5% per year
- Year 2–3: identify systems reaching end-of-life; commit new-build sites to CO₂ or NH₃
- Year 3–5: replace remaining high-GWP central plants; add heat recovery to justify capex
- Year 5+: portfolio 100% natural refrigerants or HFO; report GWP tonnes on ESG scorecard
R404A replacement path: what to do, cost and timing
R404A (GWP 3,922) is the most urgent case. Virgin gas is banned in the EU and reclaimed stock is scarce, so the question is only whether you drop in now or replace the plant.
- Drop-in now: R448A or R449A — same lubricant family (POE), expansion valve re-set, typical 2–5 days per system and roughly USD 3,000–12,000 per pack including gas and labour
- R407F / R407H — lower-cost interim option where R448A supply is tight; slightly lower capacity at low temperature
- Plant older than 15 years: skip the drop-in and go to CO₂ transcritical or NH₃/CO₂ cascade — payback commonly 5–7 years on energy plus avoided gas cost
- Expect 5–10% capacity loss and a small COP change after a drop-in; re-balance the expansion devices rather than over-charging
- Deadline to work back from: service restrictions from 2027 in most EU segments — order long-lead compressors 20–32 weeks ahead
R134a replacement path: chillers, packs and transport
R134a (GWP 1,430) is not banned outright but sits inside the quota, so price and availability worsen each step. Its replacement depends on whether you run a chiller, a medium-temp pack or transport units.
- Water/glycol chillers: retrofit to R513A (GWP 631) as a near drop-in, or replace with R1234ze / R515B for GWP < 150
- New chiller purchase: propane (R290) below ~300 kW, ammonia or R1234ze above it
- Medium-temp packs: R450A or R513A retrofit; CO₂ transcritical when the pack is being rebuilt anyway
- Transport refrigeration and reefers: R452A now, CO₂ and R290 units entering the market — check warranty before retrofitting a sealed unit
- Typical retrofit cost: USD 2,000–8,000 per chiller circuit; a full chiller replacement is a capital item priced per kW
R410A and R22 replacement path for cold rooms and HVAC-adjacent plant
R410A and legacy R22 usually sit on the building side — cold room condensing units, dock air conditioning, ante-room and process cooling.
- R410A (GWP 2,088): no true drop-in — new equipment ships as R32, R454B or R290. Plan replacement on the normal 12–15 year asset cycle, earlier if leak rate is above 5%
- R22 (HCFC): production ended in developed markets and is ending under the Montreal Protocol elsewhere — any remaining R22 plant is unsupported and should be replaced, not re-gassed
- R22 retrofit blends (R422D, R427A) still exist but only make sense for a system with under two years of remaining life
- Modular cold rooms under ~200 kW: propane (R290) monoblocks are now the default new-build choice, with charge limits per EN 378
- Budget guide: replacing an R22 or R410A condensing unit typically runs USD 6,000–30,000 per cold room depending on capacity and access
Retrofit cost and payback by refrigerant, at a glance
Indicative USD ranges for planning only. Always validate against live supplier quotes — regional labour, gas prices and compressor lead times move these numbers.
- R404A → R448A/R449A drop-in: USD 3,000–12,000 per pack · 2–5 days · payback from avoided gas cost alone, usually under 2 years
- R404A plant → CO₂ transcritical: capital project · 3–9 months · 5–7 year payback on energy and gas
- R404A plant → NH₃ / NH₃-CO₂ cascade: capital project · 4–9 months · best lifetime cost above 500 kW
- R134a chiller → R513A: USD 2,000–8,000 per circuit · 1–3 days · buys roughly a decade
- R134a chiller → R1234ze or R290: new machine · 12–24 week lead time · quota-proof
- R410A / R22 condensing unit → R290 or R32: USD 6,000–30,000 per room · 1–2 weeks per unit
Copy this checklist into your project workspace
- Refrigerant inventory complete (system, refrigerant, charge kg, GWP, tCO₂e, leak rate)
- R404A phase-out plan committed with dates per site
- New-build refrigerant policy signed (natural refrigerants default)
- Leak-detection and monitoring installed on all systems > 500 kg refrigerant
- Training completed for CO₂ and NH₃ operations (ISO 22712 / EN 378)
- F-Gas or local equivalent certified technicians contracted
- GWP tonnes disclosed in annual ESG / CSRD report
Frequently asked questions
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+, connecting buyers with qualified third-party suppliers, EPC contractors and independent financing providers.
Which refrigerants are being phased out, and what replaces them?
R22 is already phased out for new equipment, and high-GWP HFCs such as R404A, R507 and R410A are being cut by quota under the EU F-Gas Regulation and the US AIM Act. Replacements are ammonia, CO2 or lower-GWP HFO blends, chosen by capacity, climate and site safety constraints.
Key figures at a glance
- •R22: banned for new plant, servicing restricted
- •R404A / R507: highest quota pressure, replace or retrofit first
- •R410A: phase-down under F-Gas 2024 and the AIM Act
- •Options: NH3 (R717), CO2 (R744), HFO blends such as R448A / R449A
Which refrigerants are being phased out and when?
R22 (HCFC) is already banned for new equipment in most markets and restricted for servicing. High-GWP HFCs such as R404A, R507 and R410A are being cut by quota under the EU F-Gas Regulation and the US AIM Act, with the steepest reductions falling between 2025 and 2030.
What replaces R404A?
For new industrial plant the common paths are ammonia (R717) for large duties, CO2 (R744) for low-charge and cascade applications, and lower-GWP HFO blends such as R448A or R449A where an existing HFC plant is retrofitted rather than replaced. The right option depends on capacity, climate and site safety constraints.
How much does a refrigerant retrofit cost?
A drop-in HFC-to-HFO retrofit is usually the cheapest step, covering refrigerant, oil change, gaskets, expansion devices and recommissioning. Converting to CO2 or ammonia is a plant replacement decision with new compressors, pipework and safety systems, so it should be modelled per project against energy savings and quota risk.
Is it cheaper to retrofit or replace refrigeration plant?
Retrofit usually wins where the plant is under about ten years old and efficiency is acceptable. Replacement wins where compressors are near end of life, energy cost is high, or quota-restricted refrigerant makes future servicing uncertain. Compare both on lifetime energy, service risk and refrigerant availability, not headline CAPEX.
Refrigerant phase-out timeline: dates, what changes and what to do
| Year | What changes | Action to take |
|---|---|---|
| 2025 | EU F-Gas 2024: new stationary refrigeration with HFC charge above 5 tCO₂e banned (narrow exceptions). | Specify natural refrigerant or GWP < 150 on every new project going to tender. |
| 2026 | US AIM Act sector rules bite for new retail food refrigeration and cold storage (GWP limits by sector). | Lock refrigerant choice before ordering long-lead compressors (20–32 weeks). |
| 2027 | Service restrictions extended to most high-GWP HFCs in existing large systems in the EU. | Complete R404A drop-ins or plant replacement before this date. |
| 2030 | EU HFC quota down to roughly 24% of the 2015 baseline; virgin high-GWP gas scarce and expensive. | Portfolio should be natural refrigerant or HFO; keep only low-charge HFC assets. |
| 2035–2040 | Further quota steps; remaining HFC service gas largely reclaimed stock only. | Replace any surviving HFC central plant on its normal asset cycle. |
| 2050 | HFC supply reduced by more than 95% under the Kigali Amendment trajectory. | No HFC-dependent asset should remain in the capital plan. |
Refrigerant comparison table: GWP, status, replacement, cost and lead time
Indicative USD ranges for planning. Validate against live supplier quotes — labour, gas prices and compressor lead times move these numbers by market.
| Refrigerant | GWP | Status | Replacement path | Typical cost | Lead time |
|---|---|---|---|---|---|
| R404A | 3,922 | End of life — virgin gas banned in EU | R448A / R449A drop-in, then CO₂ or NH₃ | USD 3,000–12,000 per pack | 2–5 days |
| R134a | 1,430 | Quota-squeezed, price escalating | R513A / R450A retrofit; R1234ze, R515B or R290 new | USD 2,000–8,000 per circuit | 1–3 days (retrofit) |
| R410A | 2,088 | No true drop-in; new plant ships R32 / R454B / R290 | Replace condensing unit on asset cycle | USD 6,000–30,000 per room | 1–2 weeks per unit |
| R22 (HCFC) | 1,810 | Production ended — unsupported | Replace with R290 or R32 equipment | USD 6,000–30,000 per room | 1–2 weeks per unit |
| CO₂ (R744) | 1 | Quota-proof — preferred new-build 100–500 kW | Transcritical or NH₃/CO₂ cascade | Capital project | 3–9 months |
| Ammonia (R717) | 0 | Quota-proof — lowest lifetime cost above 500 kW | NH₃ or NH₃/CO₂ cascade | Capital project | 4–9 months |
| Propane (R290) | 3 | Default for modular plant under ~200 kW | Monoblock or cascade, EN 378 charge limits | Per unit | 8–16 weeks |
How to plan a refrigerant phase-out in seven steps
- 1Inventory every system
Record refrigerant, charge in kg, GWP, tCO₂e, plant age and measured leak rate for each system and site.
- 2Rank systems by exposure
Score each system on GWP tonnes, leak rate, remaining asset life and service-ban date to get an ordered replacement queue.
- 3Decide retrofit or replace
Plant under 10 years old goes to an R448A/R449A or R513A drop-in; plant over 15 years old goes straight to CO₂ or ammonia.
- 4Price both options against live quotes
Model CAPEX premium, energy delta and avoided gas cost, then validate with three to five supplier quotes rather than list prices.
- 5Book long-lead equipment early
Compressors, CO₂ gas coolers and NH₃ packages run 20–32 weeks; order before the service-ban date, not after.
- 6Execute drop-ins and cut leak rates
Change filter driers, re-set expansion valves, re-balance rather than over-charge, and install leak detection on systems above 500 kg.
- 7Certify, train and report
Contract F-Gas certified technicians, train operators to EN 378 / ISO 22712 for CO₂ and NH₃, and disclose GWP tonnes in the annual ESG report.
F-Gas compliance checklist for cold-chain operators
System, refrigerant, charge kg, GWP, tCO₂e, install date — updated after every intervention.
5 tCO₂e: annual · 50 tCO₂e: six-monthly · 500 tCO₂e: quarterly, halved intervals without fixed leak detection.
Mandatory above 500 tCO₂e charge, and good practice on any NH₃ or CO₂ plant.
Quantities added and recovered, technician identity, test results and repair actions.
F-Gas Category I–IV or the local equivalent for handling, recovery and decommissioning.
Refrigerant recovered and reclaimed or destroyed by a licensed operator, with certificates on file.
Natural refrigerant or GWP < 150 as the default specification for every new project.
Disclosed in the CSRD / ESG scorecard and shared with lenders where financing is ESG-linked.
Retrofit guides by refrigerant
HFC transition — sizing & TCO calculator
Model the CAPEX premium of moving an HFC plant to NH₃, CO₂ or HFO, the annual energy delta and simple payback under F-Gas 2024 / AIM Act phase-down.
Indicative only. Coefficients reflect industry ranges for 300 kW – 2 MW industrial refrigeration; ejector, heat-recovery and site-specific factors will move real numbers ±20%. Use the RFQ Builder to obtain engineered vendor quotes before committing CAPEX.
Score every refrigerant quote on the same criteria
22 checklist items across load, site & safety, refrigerant scoring and commercial compliance. Enter your preferences and we'll email the PDF plus a supplier-neutral shortlist matched to your NH₃, CO₂ or HFC/HFO scenario.
- Total refrigeration load (kW) at design ambient
- Storage / process temperature set-points (°C) per zone
- Design ambient (°C) and altitude
- Annual operating hours per zone
- Product mix, throughput and future expansion (Phase 2 kW)
- Occupancy type (industrial, food factory, public building, port)
- Machinery room location, ventilation, gas detection budget
- Local codes: EN 378 / ASHRAE 15 / IIAR class and toxic zoning
- Distance to occupied areas / property line
- Water availability and quality for evaporative condensers
- GWP target and phase-down exposure (F-Gas 2024 / AIM Act)
- Toxicity / flammability tolerance for the site
- Ambient class (mild / warm / hot) vs CO₂ transcritical penalty
- Charge size, leak-rate exposure and refrigerant-cost trajectory
- Local service ecosystem: NH₃ certified techs / CO₂ trained crews
- Efficiency (COP) at design conditions vs HFC baseline
- CAPEX premium tolerated for lower lifetime OPEX
- Budget range (USD) and financing structure (self, lease, ECA, DFI)
- Payback / IRR hurdle rate
- ESG / Scope-1 refrigerant reporting requirement
- Insurance and permit constraints (ammonia PSM / CO₂ MAWP)
- Warranty, spares and 10-year TCO expectation
Refrigerant transition by market
Local phase-down status, grid constraints and supplier availability in the markets we source most.
Related resources
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.