The Refrigerant Switch from R-410A to R-454B
As of January 2025, new regulations have gone into effect regarding the commonly used HVAC refrigerant R-410A. These changes are part of a broader U.S. initiative to improve sustainability and reduce fossil fuel emissions. The transition to the new refrigerant, R-454B, is a significant development—and understandably, it's raised a few questions for homeowners and business