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What does SEER2 Mean?
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25 May 2023

What does SEER2 Mean?

The Department of Energy (DOE) is changing the way HVAC systems are tested. New M1 testing procedures are thorough, demanding a lower SEER2 equipment rating and thus paving the way for a more sustainable future.

Air Conditioners
Effective January 1, 2023, cooling products will be subject to regional minimum efficiencies. These efficiencies will depend on the region in which the product is installed. These units will need to adhere to the new testing measures and meet SEER2 rating requirements.

Heat Pumps
By January 1, 2023, all heat pumps will be subject to new national minimum efficiency levels. However, Existing 14.0 SEER heat pumps built prior to January 1, 2023 may still be sold and installed on or after January 1, 2023 in all regions. While single-packaged heat pumps may remain at 13.4 SEER2 (14.0 SEER) and 6.7 HSPF2 (8.0 HSPF), all split-system heat pumps must increase to 14.3 SEER2 (15.0 SEER) and 7.5 HSPF2 (8.8 HSPF). These units will need to adhere to the new testing measures and meet SEER2 rating requirements.

Single Package Units

Current SEER ratings of single packaged units are 14.0 SEER and 8.0 HSPF. These will remain the same despite other regulatory changes. However, these units will still need to adhere to the new testing measures and meet SEER2 rating requirements of 13.4 SEER2 and 6.7 HSPF2.

Mini-Splits

Effective January 1, 2023, Mini-Split Air Conditioning products will be subject to regional minimum efficiencies. These efficiencies will depend on the region in which the product is installed. All Mini-Split Heat Pump products will be subject to national minimum efficiency levels. These units will need to adhere to the new testing measures and meet SEER2 rating requirements.

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