Heat pumps, geothermal and AC
Heat Pump Buying Guide: Review of the top 10 Heat Pumps for 2025
...for an Energy-Efficient Economy recommends selecting a heat pump with a SEER rating no less than 15.
What is the HSPF rating for heat pumps?
HSPF stands for Heating Seasonal Performance Factor, and it is a heating efficiency metric for rating for heat pumps. The higher the rating, the more efficient the heat pump is. A...