The LG 11200 BTU 230V through-the-wall air conditioner with 11200 BTU supplemental heat function gives you everything you love about an air conditioner and more! Whether it?s cold in April or hot in October this unit has you covered so you can always feel comfortable at home. In addition to cooling this versatile unit offers supplemental heating providing you with an additional heat source to your main heat source when outdoor temperatures are above 45 degrees Fahrenheit. PLEASE NOTE: This unit is designed for through-the-wall installation and is not designed for standard window installation. It has a universal fit for existing standard 26-inch wall sleeves (new wall sleeve sold separately). This unit also requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.