This Black+Decker 18000 Btu window air conditioner is a must-have for instant cooling relief when you need it in any room in your home. Bedrooms, living rooms, home offices and ideal for apartments-this air conditioner window unit is a perfect addition when the warm weather months roll in. With a high-quality compressor offering 18,000 chilling BTUs, you can circulate air with the fan only function or cool your home up to 1,000 square feet. Allowing for window or through-the-wall installation, this versatile home air conditioner comes with both accordion style side panels and a 23.62" x 24" x 17.9" chassis/sleeve for installation. Our room air conditioners feature 3 cool settings plus auto-mode and fan only function as well as a dry mode for dehumidification. Also features up to 24-hour timer function and sleep mode. This window unit uses R32 refrigerant which has zero impact on the ozone layer, so you can stay comfortable indoors without harming the planet.