SEER stands for Seasonal Energy Efficiency Ratio and measures the cooling efficiency of a heat pump or air conditioner. SEER2 is an updated version of SEER set by the Department of Energy that goes into effect Jan. 1, 2023. SEER2 mimics real world conditions more accurately than SEER by utilizing the M1 blower testing procedure.
As of Jan. 1, 2023, all air conditioners must have a SEER2 rating of 13.4 or higher in the North. In the Southwest and Southeast, split system air conditioners with a capacity less than 45k BTU must have a SEER2 of 14.3 or higher. Split system air conditioners with a capacity greater than or equal to 45k BTU must have a SEER2 of 13.8 or higher. All single-packaged air conditioners must have a SEER2 of 13.4 or higher.
As of the same date, split system heat pumps throughout the country must have a SEER2 of 14.3 or higher, while single-packaged heat pumps must have a SEER2 of 13.4 or higher. The SEER2 changes can be confusing, and the best rating for your HVAC system depends on a variety of factors, such as home size, number of occupants, outdoor climate, and more. That’s why it’s important to talk to your American Standard Customer Care Dealer™ before investing in a system!
Find out how how a heat pump operates as an outdoor unit that warms your home in winter and cools your home in summer.
HSPF measures the efficiency of a heat pump over an entire heating season. The higher the HSPF, the more efficient the heat pump.
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