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The phasing out of R-410A is driven by environmental concerns. Here’s a breakdown:

  • Environmental Impact:
  • R-410A is a hydrofluorocarbon (HFC) with a high Global Warming Potential (GWP). This means it significantly contributes to climate change if released into the atmosphere.
  • Regulations like the American Innovation and Manufacturing (AIM) Act are pushing for the reduction of these high-GWP refrigerants.
  • The Phase-Out:
  • Starting January 1, 2025, new HVAC systems manufactured in the U.S. will be required to use refrigerants with lower GWP.
  • While new equipment will transition, existing systems using R-410A can still be serviced. R-410A will still be available for servicing existing units, but the price of it will likely rise.
  • Replacements:
  • Refrigerants like R-32 and R-454B, which have significantly lower GWP, are being adopted as replacements.
  • These new refrigerants are A2L refrigerants. Which means they are mildly flammable.
  • Key Reason:
  • The primary reason for the phase-out is to mitigate the harmful effects of high-GWP refrigerants on the environment and to comply with evolving environmental regulations.