System Requirements
To meet SEER2 requirements in the southeast region, residential central air systems below 45,000 Btu must have a SEER2 rating of 14.3 (15.0 SEER). Residential central air systems 45,000 Btu and above must have a SEER2 rating of 13.8 (14.5 SEER). In addition, heat pumps in any region must meet 14.3 SEER2 (15.0 SEER) and 7.5 HSPF2 (8.8 HSPF) requirements. For more information on SEER2 rules and regulations, visit our SEER2 page.
AC System Standards
In the southeast and southwest regions, any AC system that doesn't meet SEER2 requirements cannot be installed on or after January 1, 2023. Please see the following table for SEER and EER2 breakdown:
SOUTHEAST REGION
(AC < 45K Btu/h)
(AC ≥ 45K Btu/h)
Heat Pump Standards
Existing 14.0 SEER heat pumps built prior to January 1, 2023 may still be sold and installed on or after January 1, 2023. Please see the following table for SEER and EER2 breakdown:
SOUTHEAST REGION
and HSPF
and HSPF2
8.8 HSPF
7.5 HSPF2
Single Packaged Unit Standards
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. Please see the following table for SEER and EER2 breakdown:
SOUTHEAST REGION
8.0 HSPF
6.7 HSPF2
