Search Search Search 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 Sort by AFUE Sort by AFUE Sort by AFUEHigh to LowLow to High AFUE Value AFUE Value Reset PCE4 Air ConditionerUp to 13.4 SEER2 PCE6 Air ConditionerUp to 15.2 SEER2 PCG4 Gas ElectricUp to 13.4 SEER2Up to 81 AFUE PCG4 Ultra-Low NOx Gas ElectricUp to 13.4 SEER2Up to 81 AFUE PCG6 Gas ElectricUp to 15.2 SEER2Up to 81 AFUE PHE4 Heat PumpUp to 13.4 SEER2Up to 7 HSPF2 PHE6 Heat PumpUp to 15.2 SEER2Up to 7.2 HSPF2 PHG4 Dual FuelUp to 13.4 SEER2Up to 7 HSPF2Up to 81 AFUE PHG6 Dual FuelUp to 15.2 SEER2Up to 7.2 HSPF2Up to 81 AFUE