What Is The New Refrigerant For 2025 R134a. Some of the most notable alternatives are being used in commercial and institutional hvac equipment today such as: Exciting changes are coming to the hvac world as manufacturers prepare to meet updated epa guidelines.

The 2025 refrigerant transition refers to the new regulations requiring the use of more environmentally friendly refrigerants in hvac systems. Residential and light commercial air conditioners and heat pumps manufactured after jan.