New Refrigerant For Hvac 2025. Here’s what you need to know about the upcoming 2025 hvac refrigerant change and a2ls to start preparing. If you’ve been shopping around for a new hvac system lately, you may have heard about the upcoming 2025 refrigerant change.

Learn about the new a2l 2025 hvac refrigerants, including r32, and r454b. There are major hvac refrigerant changes going into effect in 2025.