HSPF
Heating Seasonal Performance Factor. Refers to the efficiency of the heating mode of heat pumps over an entire heating season: The higher the number, the more efficient the unit.
Related Links
Know Your Terms – Heat Pump Efficiency Ratings SEER & HSPF
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Energy efficiency EER SEER HSPF COP
What do SEER, AFUE and HSPF mean?
HSPF? What does that mean?
This is NOT a ductless heat pump! Daikin 11.5 HSPF Modulating FTQ 2 Ton Ducted System.
What does HSPF stand for?
What does HSPF mean?
Selecting Cooling Efficiency (SEER & HSPF)
2014 Carrier Comfort Series 13 SEER/8.5 HSPF 5-ton heat pump video 1