New Epa Refrigerant Regulations 2025 Pdf. The us environmental protection agency (epa) is gearing up to enforce a shift to a new refrigerant type for all new air conditioning systems and heat pumps in. [federal register volume 90, number 23 (wednesday, february 5, 2025)] [rules and regulations] [page 9001] from the federal register online via the government.

New systems will offer better energy efficiency and compliance with environmental protection standards. Systems with a refrigerant charge of 200 pounds or more must use refrigerants with a gwp of 150 or lower.