This Black+Decker 12000 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 small window air conditioner is a perfect addition when the warm weather months roll in. With a high-quality compressor offering 12,000 chilling BTUs, you can circulate air with the fan only function or cool a room up to 550 square feet. This window unit uses R32 refrigerant which has zero impact on the ozone layer, so you can stay comfortable indoors without harming the planet.