New Ac Refrigerant 2025. The 2025 refrigerant transition refers to the new regulations requiring the use of more environmentally friendly refrigerants in hvac systems. Starting in 2025, a new class of refrigerants will take center stage.
In 2025, the hvac industry in the united states will undergo a significant regulatory shift with the implementation of new environmental standards for refrigerants. Beginning january 1, 2025, all new residential air conditioners and heat pumps will be required to use a2l refrigerants.