New Refrigerant 2025. Here’s what you need to know about this new refrigerant, why it’s a positive change, and how to make the most of it. Federal law mandates that all manufacturers begin using the new refrigerant beginning january 1, 2025.

Other new rules are coming for california this year as well. By 2025, the epa will heavily restrict the use of r410a in new hvac systems, and it will eventually be replaced by refrigerants with lower environmental impact.