Bryant Air Conditioners 186CNVEvolution™ SeriesAir ConditionerUp to 24 SEER2Up to 16 EER2 189BNVEvolution™ SeriesAir ConditionerUp to 19 SEER2Up to 13 EER2 127TPreferred™ SeriesAir ConditionerUp to 17 SEER2Up to 13.5 EER2 126SPreferred™ SeriesAir ConditionerUp to 16.5 SEER2Up to 13.5 EER2 115SLegacy™ LineAir ConditionerUp to 16.5 SEER2Up to 13.5 EER2