291VAN Up to 21.2 SEER2 Up to 12.5 HSPF2 293VAN Up to 23 SEER2 Up to 9.5 HSPF2 290VAN Up to 20 SEER2 Up to 9.5 HSPF2 248TAN Up to 18 SEER2 Up to 8.5 HSPF2 248TAN***C Up to 18 SEER2 Up to 8.5 HSPF2 246SAN Up to 16 SEER2 Up to 7.8 HSPF2 235SAN Up to 16 SEER2 Up to 8.1 HSPF2 235SAN***C Up to 16 SEER2 Up to 8.1 HSPF2 248VAN Up to 19 SEER2 Up to 14 EER2 Up to 8 HSPF2 37MUHA Up to 19 SEER2 Up to 12.5 EER2 Up to 10.8 HSPF2 37MURA Up to 18.8 SEER2 Up to 11 EER2 Up to 9.7 HSPF2