Commercial Heat Pump Performance Rating Changes Info Sheet
In January 2023, the U.S. Department of Energy is changing their minimum efficiency requirements for single-phase central air conditioners and heat pumps under 65,000 btu/h. These updated performance ratings are referred to as SEER2 and HSPF2 and will begin replacing the older SEER and HSPF rating metrics for equipment manufactured after January 1st, 2023.
