The Midea 12,000 BTU U+ Smart Window Air Conditioner combines an iconic design-one that keeps the window free to open and close-with powerful, quiet, and energy-efficient performance. Our Variable Speed Inverter Technology offers 45% improved energy savings, minimal temperature variance, and noise levels as low as 31 dBA. For rooms in need of a quick cooldown, FlashCool Mode delivers 35% faster cooling than traditional AC units. With 3 distinct modes-Cooling, Dehumidifying, and Ventilating-this versatile air conditioner has the power to cover spaces up to 550 sq. ft. For added convenience, this air conditioner can also be controlled using the SmartHome app, smart watches, and compatible voice assistant devices. The SmartHome app also provides access to AI ECO Mode, which can be used to monitor and control energy consumption. The U+ includes a convenient installation kit with adjustable side panels and a quick-snap bracket, allowing it to fit windows that are 23-26" wide and 14" tall. While an advanced dual filtration system captures common allergens and pollutants for cleaner indoor air. All of this is covered by a 3-year warranty to provide even greater peace of mind.