Search Search Search Day & Night Series Day & Night Series Performance Series (7)QuietComfort® Series (4) Type of Unit Type of Unit Air Conditioner (4)Dual Fuel (1)Gas Electric (2)Heat Pump (4) Sort by SEER2 Sort by SEER2 Sort by SEER2High to LowLow to High SEER2 Value SEER2 Value Reset Sort by HSPF2 Sort by HSPF2 Sort by HSPF2High to LowLow to High HSPF2 Value HSPF2 Value Reset Refrigerant Refrigerant R-454B (6) ENERGY STAR® ENERGY STAR® Yes (3) PAJ4 Air Conditioner Up to 13.4 SEER2 Up to 11 EER2 PHJ4 Heat Pump Up to 13.4 SEER2 Up to 11 EER2 Up to 6.7 HSPF2 PHR5 Heat Pump Up to 15.5 SEER2 Up to 11.5 EER2 Up to 7.5 HSPF2 PGR5 Gas Electric Up to 16 SEER2 Up to 11.5 EER2 Up to 81 AFUE PAR5 Air Conditioner Up to 16 SEER2 Up to 11.5 EER2 PHB4 Heat Pump Up to 13.4 SEER2 Up to 11 EER2 Up to 6.7 HSPF2 PDB4 Dual Fuel Up to 13.4 SEER2 Up to 11 EER2 Up to 6.7 HSPF2 Up to 81 AFUE PGB4 Gas Electric Up to 13.4 SEER2 Up to 11 EER2 Up to 81 AFUE PAB4 Air Conditioner Up to 13.4 SEER2 Up to 11 EER2 PHM4 Heat Pump Up to 13.4 SEER2 Up to 11 EER2 Up to 6.7 HSPF2 PAM4 Air Conditioner Up to 13.4 SEER2 Up to 11 EER2