New Epa Regulations 2025. Starting in 2025, systems using the new refrigerants will become the standard, which could drive up the price of a new hvac system. Interested parties can submit comments on the draft permits at.
The 2025 epa refrigerant changes, which stem from the american innovation and manufacturing (aim) act that the us congress passed in 2020, include gwp limits for. The public comment period for the draft permits will remain open from december 2, 2024, to january 16, 2025.