Search Search Search Carrier Series Carrier Series Comfort™ Series (2)Infinity® System (2)Performance™ 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 ENERGY STAR® ENERGY STAR® Yes (7) 25VNA4Up to 22 SEER2Up to 10.5 HSPF2 25VNA8Up to 18.5 SEER2Up to 9 HSPF2 38MURAUp to 18 SEER2Up to 9.8 HSPF2 25TPA7Up to 17 SEER2Up to 8.1 HSPF2 25SCA5***CUp to 15.2 SEER2Up to 8.1 HSPF2 25SCA5Up to 15.2 SEER2Up to 8.1 HSPF2 25SPA5Up to 15.2 SEER2Up to 8.1 HSPF2