Is There a Minimum Seer2 Requirement for New Ac Units?

Aug 3, 2026

Yes, there are specific federal minimum SEER2 requirements for new air conditioning units, which vary by region. Because Colorado is categorized within the Southwest region by the U.S. Department of Energy, homeowners must adhere to the following standards:

  • Current Minimums: As of 2023, newly installed central air conditioners must meet a minimum efficiency of 14.0 SEER2. For split-system air conditioners, that requirement is 15.0 SEER2.
  • 2025 Updates: After January 1, 2025, new split systems in the Southwest region will be required to meet a 16.0 SEER2 rating.
  • 2026 Future Requirements: The Department of Energy is set to raise these floors further in 2026. Current projections suggest split-system air conditioner minimums in the Southwest may rise to 18.0 SEER2.

It is important to note that these regulations apply to the sale and installation of new equipment. If you have an existing system that does not meet these ratings, you are not required to upgrade it immediately; however, any replacement system you purchase must comply with the standards in effect at the time of installation.


Related FAQs

Offer Title

Text here...

Request more info

Complete the form below and our team will contact you as soon as possible. If you want to talk to us now, call 719-596-6677

Offer Disclosure