A:Answer The LG - 12,000 BTU Window Air Conditioner and 11,200 BTU Heater, Model # LW1215HR uses a heat strip for heating. The unit is rated at 208/230V and must be plugged into a standard 2-pole, 3-wire grounding receptacle rated 20A, 250 VAC (NEMA Configuration 6-20R)...^IFV