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EPA Rule Now Allows R-410A Unit Installs Until Inventory Runs Out

The Field Report

The Field Report

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EPA Rule Now Allows R-410A Unit Installs Until Inventory Runs Out
EPA Rule Now Allows R-410A Unit Installs Until Inventory Runs Out

The U.S. Environmental Protection Agency published a final rule on May 26. It allows contractors to continue installing HVAC units that use R-410A refrigerant as long as those units were manufactured or imported before January 1, 2025. The rule became effective July 27. Contractors can now work through their remaining R-410A inventory without regulatory penalties.

This removes uncertainty for contractors holding legacy equipment during the transition to A2L refrigerants.

Check your current R-410A inventory and confirm manufacturing dates to verify which units qualify for installation under this exemption.

Key Takeaways:

  • R-410A units made or imported before Jan. 1, 2025, can be installed indefinitely
  • EPA rule took effect July 27, 2026
  • No penalties for installing qualifying legacy equipment during A2L transition

Source: U.S. Environmental Protection Agency

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