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From 1st January 2020, the use of f-gases with a GWP of 2500 or more to service refrigeration equipment with a gas charge size exceeding 40T CO2e will be banned. Equipment using gases such as R404A, R507A and R422D (ISCEON® MO29) will be impacted. (Non-refrigeration applications, such as air conditioning or heat pumps, low-temperature and military systems, are exempt.)
|Refrigerant||GWP||Charge Size Threshold (40T CO2e)||Potential Retrofit Replacements|
|R23||14800||2.7kg||None available (however often temperature exempt)|
|R404A||3922||10.2kg||R407A; R407F (Performax LT); R442A (RS-50); R449A (Opteon XP-40)|
|R422A (MO79)||3143||12.7kg||Consult your equipment supplier|
|R422D (MO29)||2729||14.7kg||R438A; R427A; R424A|
|R428A (RS52)||3607||11.1kg||Consult your equipment supplier|
|R434A (RS45)||3245||12.3kg||Under development|
|R507||3985||10.0kg||R407A; R407F (Performax LT); R442A (RS-50); R449A (Opteon XP-40)|
|R508B||13396||3.0kg||None available (however often temperature exempt)|
|MO89||3805||10.5kg||None available (however often temperature exempt)|
In these cases, there are a number of options to consider:
Continue: Use the existing equipment and gas until 2020, and then use reclaimed or recycled gas, if available, until 2030.
Convert: Modify the equipment to run on a retrofit refrigerant gas with a GWP of less than 2500.
Replace: Install new equipment that uses lower-GWP gases.
We can support you in understanding the implications of the service and maintenance bans including understanding whether your system is impacted. We offer web tools and flow-charts that help this process.
Linde is also happy to help guide you towards the solution that best meets your requirements.
We offer a wide range of refrigerant gases including many lower-GWP refrigerant gases suitable for retrofitting existing installations such as R404A, R507 and R422D systems. Our portfolio of gases is continually growing, and we plan to add new HFO blends offering even greater environmental benefit in the near future.