SEER
The Seasonal Energy Efficiency Ratio is a cooling
efficiency rating for air conditioners. The higher the SEER, the
better the energy performance, the more you save.
HSPF
The Heating Seasonal Performance Factor measures the efficiency of a
heat pump. The U.S. government's established minimum HSPF ratings
for heat pump is 6.8%. The higher the percentage the more
efficiently the unit operates.