4 Ton Two Stage Convertible Packaged Heat Pump Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 10 lbs 8 oz, EER: 12, Department of Energy Guide SEER (Range): 16, CFM: 1980, Overall Dims: 44-8/9''H X 56-3/23''W X 47-33/50''D, Weight: 526 lbs ***Compatible Heat Kit: PHK(05-20)BP (Not Included)*** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***