4 Ton Single Stage Convertible Packaged Air Conditioning Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 102 oz, EER2: 10.6, Department of Energy Guide SEER2 (Range): 13.4, CFM: 1800, Overall Dims: 42-3/4''H X 47''W X 51''D, Weight: 435 lbs ***Compatible Heat Kit: HKP-(05-20)C, HKR-08C, HKTPD(05-19)1 (Not Included)*** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***