THF2Up to 16 SEERUp to 15.2 SEER2Up to 8.1 HSPF2 TH16Up to 16 SEERUp to 10 HSPF TH4Up to 15 SEERUp to 9.5 HSPF THE2Up to 14.3 SEER2Up to 8 HSPF2 HL19Up to 18 SEER2Up to 8.1 HSPF2 HL20Up to 19 SEER2Up to 9 HSPF2 HMH7Up to 18 SEERUp to 17 SEER2Up to 10.5 HSPF HH8Up to 18 SEER2 XH5Up to 15.2 SEER2 XH4Up to 14.3 SEER2 XH6Up to 16 SEER2