New Refrigerant 2024 Flammables List. The most common low gwp alternatives. As the epa phases out certain refrigerants, understand the schedule, the implications for your business, and how to stay compliant.

Ashrae assigns numbers and safety classification to the refrigerants based on toxicity and flammability data submitted by the refrigerant’s producer. The new refrigerant proposals are for use in new equipment and are subject to specific use conditions.