R22 Replacement Options. R22 Alternative Refrigerants

Since refrigerant R22 has ozone depletion potential, it is use is being stopped in the phase manner. This article discusses various options for replacement for R22 refrigerant. Apart from describing R22 alternative refrigerants, the article also describes EPA instructions for R22 replacement. There are several refrigerants that do cause the depletion of the ozone layer and that can be used as the alternatives for R22. Some of these are R-134a, R-507, R-404A, R-407c, and R- 410A. Refrigerant 507 is the azeotropic mixture comprising 50% of R-125 and 50% of R-134a. Refrigerant 407C is the mixture of 23% of R-32, 25% of R-125, and 52% of R-134A.