XV20i Up to 20.5 SEER2 Up to 8.7 HSPF2 XV19 LP Up to 19 SEER2 Up to 9 HSPF2 XV18 Up to 18 SEER2 Up to 8.5 HSPF2 XR16 Up to 16.2 SEER2 Up to 8.1 HSPF2 XR14 Up to 14.8 SEER2 Up to 7.8 HSPF2 XL17i Up to 17.2 SEER2 Up to 8.1 HSPF2 XR15 LP Up to 16 SEER2 Up to 8.1 HSPF2 Premier 20 TC WG Up to 22.4 SEER2 Up to 10.5 HSPF2 Premier 18 Up to 18.1 SEER2 Up to 8.5 HSPF2 XV17 Up to 17 SEER2 Up to 8.5 HSPF2 Priority 17 WG Up to 18 SEER2 Up to 11 HSPF2 Priority 17 Up to 17.1 SEER2 Up to 11 HSPF2 Choice 15 WG Up to 16.5 SEER2 Up to 8.5 HSPF2 XL15i Up to 16 SEER2 Up to 8.1 HSPF2 Choice 15 Up to 16.5 SEER2 Up to 8.5 HSPF2 Choice 14 Up to 17 SEER2 Up to 7.5 HSPF2 Choice 16 LP Up to 16 SEER2 Up to 8.1 HSPF2 XR15 Up to 16 SEER2 Up to 8.1 HSPF2
