HVAC Refrigerant Transition
In 2025, the HVAC industry in the United States will undergo a significant regulatory shift with the implementation of new environmental standards for refrigerants. This article provides a detailed overview of the upcoming changes, the implications for light commercial HVAC equipment, and how Lennox Commercial is poised to assist in this transition.
Understanding the Regulatory Change
The American Innovation and Manufacturing Act (AIM) of 2020, alongside the Environmental Protection Agency’s (EPA) Technology Transition rule, mandates a transition away from high Global Warming Potential (GWP) refrigerants utilizing HFCs like R-410A. The industry is moving to A2L refrigerants like R-454B and R-32 to comply with the EPA’s transition rule. Starting January 1, 2025, OEMs can no longer manufacture packaged rooftop units utilizing refrigerants with a GWP exceeding 700 in the United States. The Variable Refrigerant Flow (VRF) systems will undergo the mandated transition to Low GWP refrigerant on January 1, 2026.
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