Stay comfortable on hot, sweaty days with a Gree window-mounted air conditioner. Gree's 18,000 BTU window AC is a great choice to cool and dehumidify a room up to 1000 square feet. Use it to cool any room of your home - bedroom, living room, family room, dining room, or home office. High efficiency keeps you cool on a budget by saving you money on your electric bill. Enjoy easy setup with the included window installation kit, then turn on the relief! PLEASE NOTE: This unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet.