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  1. What Is an A2L Refrigerant? Everything You Need to Know in 2025

    Jun 2, 2025 · With the HVAC industry in the midst of a refrigerant transition, homeowners and contractors alike are hearing more about A2L refrigerants. These new refrigerants—such as R …

  2. What You Should Know For The Transition To A2L Refrigerants

    Oct 18, 2024 · In 2025, the A2L standard for HVAC refrigerants mandates a Global Warming Potential (GWP) of under 700. The low GWP of A2L refrigerants can increase system …

  3. What is A2L Refrigerant? - 2025 HVAC Regulations

    What is A2L Refrigerant? A2L refrigerants are a class of refrigerants that are mildly flammable, have low toxicity, and have a low global warming potential. A2L is an ASHRAE safety …

  4. As the HVAC industry transitions to new lower global warming potential (GWP) refrigerants, it is essential to stay informed about the updated safety standards that accompany these changes. …

  5. What are A2L Refrigerants? A Homeowner’s Guide

    Sep 19, 2024 · The switch to A2L refrigerants directly impacts homeowners’ HVAC systems, but many may be scratching their heads as to how—and wondering what refrigerants are in the …

  6. Understanding A2L Refrigerants: When Are They Required?

    Yes, A2L refrigerants are generally considered safe to use when handled and installed according to established safety protocols. Their classification indicates they have lower flammability and …

  7. The Transition to A2L Refrigerants: What You Need to Know

    Jun 19, 2024 · Enertech equipment that uses A2L refrigerants will be certified to UL60335-2-240. This certification standard regulates the design and testing of electric heat pump products that …

  8. Repair or replace? Preparing for A2Ls in Residential Air Conditioning

    6 days ago · A2L refrigerants have officially arrived in the U.S. air conditioning (AC) sector. Since January 2025, all new residential and light commercial AC equipment has been required to …

  9. Verifying A2L Refrigerant Concentration Limits (RCL)

    Sep 4, 2025 · Commissioning providers who address this challenge head-on by verifying A2L refrigerant charge limits during design and submittal reviews deliver a measurable value-add. …

  10. Engineering the Transition to A2L Refrigerants | ACHR News

    3 days ago · Manufacturers are aligned on adopting A2L refrigerants for commercial refrigeration, creating a clear and consistent path forward for the industry.