Trane Packaged Systems XL15c Heat Pump Heat PumpUp to 15.2 SEER2Up to 7.5 HSPF2 XL15c Gas/Electric Gas ElectricUp to 15.2 SEER2Up to 81 AFUE XL15c Dual Fuel Dual FuelUp to 12.2 SEER2Up to 7.5 HSPF2Up to 81 AFUE