Tempstar Geothermal Search Search Search Tempstar Series Tempstar Series Performance Series (1)QuietComfort® Series (3) Sort by EER Sort by EER Sort by EERHigh to LowLow to High EER Value EER Value Reset Sort by COP Sort by COP Sort by COPHigh to LowLow to High ENERGY STAR® ENERGY STAR® Yes (4) HPUp to 30 EERUp to 4.6 COP HBUp to 28.1 EERUp to 5.2 COP HSUp to 29.1 EERUp to 5.2 COP HWUp to 25.7 EERUp to 3.8 COP