4 Ton Single Stage Convertible Packaged Heat Pump Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 153 oz, EER: 11, Department of Energy Guide SEER (Range): 14, CFM: 1800, Overall Dims: 42-3/4''H X 47''W X 51''D, Weight: 485 lbs ***Compatible Heat Kit: HKP-(05-20)C, HKR-08C (Not Included)*** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***