HSPF
Heating Seasonal Performance Factor (HSPF) measures the efficiency of the heating mode of heat pumps. The higher the number, the greater the efficiency and cost-savings. Today’s models are required to have a minimum of 7.7 HSPF. Not that we’re bragging (even though we kind of are), but we offer a heat pump with an HSPF rating of 13 that leaves other heat pumps out in the cold*.
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