Tempstar Heat Pumps Search Search Search Tempstar Series Tempstar Series Ion™ Series (3)Performance Series (3)QuietComfort® Series (1) Sort by SEER2 Sort by SEER2 Sort by SEER2High to LowLow to High SEER2 Value SEER2 Value Reset ENERGY STAR® ENERGY STAR® Yes (7) DLCURAUp to 18 SEER2 N4H5SUp to 15.2 SEER2Up to 8.1 HSPF2 N4H7TUp to 17 SEER2Up to 8.1 HSPF2 N4H5S***CUp to 15.2 SEER2Up to 8.1 HSPF2 TVH8Up to 18.5 SEER2 T4H7TUp to 17 SEER2Up to 8.1 HSPF2 T4H5SUp to 15.2 SEER2Up to 8.1 HSPF2