HMCG2 Up to 18.5 SEER Up to 16.5 SEER2 TCF2 Up to 17.5 SEER Up to 15.2 SEER2 TCE2 Up to 16.5 SEER2 Up to 13.5 EER2 TW4 Up to 16.75 SEER Up to 13.75 EER TC7 Up to 18.5 SEER TCHD Up to 16 SEER TC17 Up to 17.5 SEER TCHE Up to 16 SEER TCD2 Up to 15 SEER Up to 13.4 SEER2 AL21 Up to 21 SEER Up to 20 SEER2 AL19 Up to 19.75 SEER Up to 18 SEER2