Say goodbye to oppressive heat waves thanks to this Arctic King(R) air conditioner. With its two fan speeds and two cooling levels, this 5000 BTU device is designed for a window installation. Featuring rotary knobs, it works using R32 refrigerant. In addition, it is equipped with a washable air filter and is suitable for a room of 100 to 150 sq. ft. This product is backed by a 1-year full warranty upon original purchase date. In the case of a sealed system for normal trade purposes, it is also backed by a limited warranty from the second through fifth year.