7 SEER2
7.7 SEER2
8.1 SEER2
Minimum efficiency not listed.
15 SEER28.5 HSPF2
SEER2: 15.2HSPF2: 7.8EER2: 10.6SEER: 16HSPF: 9.2EER: 11
SEER2: 15.2HSPF2: 7.8EER2: 11.7SEER: 16HSPF: 9.2EER: 12
7.8 HSPF2
17 SEER