The thermal conductivity of R134a is decreased by 10% compared with that of R22, so the heat exchange area of the heat exchanger of R134a unit is larger than that of R22. The water absorption of term replacement option for R-22 in new equipment. Using these retrofit guidelines, many R-22 systems can be retrofitted for use with Freon™ 407C in air conditioning, heat pump applications, and refrigeration applications to allow existing equipment to continue to operate safely and efficiently, even after R-22 is no longer available. R32, better known as difluoromethane, is an organic gas, much like R410A. With an ODP of 0, the two gases are also equally harmless to the ozone layer. Still, R32 has a GWP of 675, which is significantly lower than those of R22 and R410A. That makes it a seemingly better alternative. R32 performs well in terms of pressure drop and heat transfer. Posted on 8/4/2022. I am getting a new air handler and compressor to replace my old R-22 freon-based units. Can I have the installer just flush out the existing lines before replacing with R-410A refrigerant, or do I have to replace all the plumbing. The calculation procedure and Fortran program are developed to solve mathematical model. Thermodynamic characteristics of refrigerant compression process in the rotary compressor using low GWP refrigerants R32, R290 and R1270 are discussed to replace the conventional refrigerant R22. The following conclusions are made: 1. This is what we’re talking about today on Fox Family Heating & Air. The new-new refrigerant coming very soon is R-454b, also known as Opteon XL41. It’s just funny right now. When I go into people’s homes, and they say the technician was talking about the “new” R-410 refrigerant, in my mind, I already know that 410 will be phased out Increasing CO2 emission due to the practicing of high global warming potential (GWP) refrigerant like R22 in split air conditioning (AC) units needs the best substitute to match with environment and safety protocols along with good energy efficiency. In this study, 14 alternative refrigerants have been chosen to replace R22 in a 1.5 TR capacity of split AC from the existing studies. The R-22 REFRIGERANT 10 LBS. R22 10 lb. 15 lbs with cylinder and packaging. FREE SHIPPING NATIONWIDE (CONTINENTAL US) 100% VIRGIN FACTORY SEALED. GUARANTEED PRODUCT QUALITY. Ability Refrigerant stocks a large store of R22, R410A, MO99, 407C, 404A and R134A. XusM.