New Refrigerant 2025 Cost List. Federal law mandates that all manufacturers begin using the new refrigerant beginning january 1, 2025. Come 2025, the environmental protection agency (epa) will set a 750 global warming potential (gwp) limit for air conditioning.

Learn about the new a2l 2025 hvac refrigerants, including r32, and r454b. Learn about the new 2025 refrigerant requirements, including key changes, environmental impact, and how they affect hvac systems.