WHAT IS HSPF?

Heating Seasonal Performance Factor

The Heating Seasonal Performance Factor (HSPF) is used to measure the efficiency of heat pump.The HSPF is a ratio of the heat output to electricity use over an average heating season, and the higher the HSPF the greater the energy efficiency.

Trane’s variable speed heat pumps have about 10 HSPF, some of the highest in the industry.

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