4 Ton Single Stage Convertible Packaged Air Conditioning Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 4.32 lbs, EER: 11.5, Department of Energy Guide SEER (Range): 14, CFM: 1500, Overall Dims: 41-5/32''H X 60-13/16''W X 34-29/32''D, Weight: 500 lbs ***Compatible Heat Kit: BAYHTR1V(05-10)LUGAA, BAYHTR1V(15-20)BRKAA (Not Included)***