New Refrigerant Requirements 2025 R134a. Come 2025, the environmental protection agency (epa) will set a 750 global warming potential (gwp) limit for air conditioning. The aim is to reduce greenhouse gas emissions and ozone depletion.

Learn about the new 2025 refrigerant requirements, including key changes, environmental impact, and how they affect hvac systems. Some of the most notable alternatives are being used in commercial and institutional hvac equipment today such as: