Trane Packaged Systems XR13.4c Heat PumpUp to 13.4 SEER2Up to 7 HSPF2 XR13.4h Heat PumpUp to 13.4 SEER2Up to 6.7 HSPF2 XR13.4c Gas/ElectricUp to 13.4 SEER2Up to 81 AFUE XL15c Dual FuelUp to 15 SEER2Up to 81 AFUEUp to 7.5 HSPF2 XR13.4c Air ConditionerUp to 13.4 SEER2 XL15c Gas/ElectricUp to 15 SEER2Up to 81 AFUE XL15c Heat PumpUp to 15 SEER2Up to 7.5 HSPF2