New Refrigerant 2024 Goodman R134a. Come 2025, the environmental protection agency (epa) will set a 750 global warming potential (gwp) limit for air conditioning. When selecting a replacement for r134a, it is vital to stay informed about the regulations that govern refrigerant use in your region.
The new class of refrigerants has a lower global warming potential (gwp) than the current ones. The aim is to reduce greenhouse.