Search Search Search Heil Series Heil Series Performance Series (6)QuietComfort® Series (3) 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 PAJ4 Air ConditionerUp to 13.4 SEER2 PAD4 Air ConditionerUp to 13.4 SEER2 PGD4 HybridUp to 13.4 SEER2 PHJ4 Heat PumpUp to 13.4 SEER2 PHD4 Heat PumpUp to 15.4 SEER2 PDD4 Dual FuelUp to 13.4 SEER2 PHR5 Heat PumpUp to 15.5 SEER2Up to 7.5 HSPF2 PGR5 HybridUp to 16 SEER2Up to 81 AFUE PAR5 Air ConditionerUp to 16 SEER2