Guides

Refrigerant leak repair, in plain language

What the 2026 AIM Act leak repair rule requires, and how to calculate and document it.

• The AIM Act leak repair rule: what it covers and what it requires

  Which appliances are covered, the 10%, 20% and 30% triggers, deadlines and exemptions.

• How to calculate a refrigerant leak rate

  The annualizing and rolling methods with worked examples, and how to handle the first calculation after January 1, 2026.

• Leak repair and verification timeline

  The 30-day and 120-day repair windows, and the initial and follow-up verification tests.

• Refrigerant leak records checklist

  What to keep for each appliance, and for how long.