LG Electronics LW8015HR 7500 BTU 115-volt Slide in-Out Chassis Air Conditioner with 3850 BTU Supplemental Heat Function Air conditioner/supplemental heater with slide-out chassis for either window or wall installation (Window mounting kit included) 7,500 BTU cooling capacity / 3,850 BTU supplemental heating capacity (Uses standard 115V electrical outlet) Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45 Degree For a room up to 320 sq. ft. with multi-speed electronic controls, dehumidification up to 2.1 pints per hour, and full-function remote control Thermistor thermostat, Energy Saver mode, 24-hr. on/off timer, 4-way air deflection and easy-clean mesh filter with "clean filter" alert