12000 BTU 230V Through-the-Wall Air Conditioner;Maintain ideal temperature throughout the year with this air conditioner featuring supplemental heat capability, LED display and a temperature sensing LCD remote for convenient room temperature controls. Cools a room up to 550 square feet.10600 BTU Supplemental Heat Capability. Money saving energy saver mode and sleep mode.24-hour timer.3 cooling speeds, 3 fan speeds, and 1 heat speed. Requires special 230-volt/20-amp electrical outlet.24.2" W x 14.5" H