System Efficiency - HSPF

Heating Seasonal Performance Factor

A factor that accounts for the energy efficiency of the Heat Pump over the entire heating season.  This would include all the variations in weather conditions.

Higher number = More efficient

System Efficiency - HSPF

Heating Seasonal Performance Factor

A factor that accounts for the energy efficiency of the Heat Pump over the entire heating season.  This would include all the variations in weather conditions.

Higher number = More efficient