4 Ton Single Stage Convertible Packaged Heat Pump Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 12 lbs 13 oz, EER: 11, Department of Energy Guide SEER (Range): 14, CFM: 1800, Overall Dims: 53''H X 45-3/4''W X 51-1/4''D, Weight: 496 lbs ***Compatible Heat Kit: 6HK1650(05-20)06 (Not Included)***