When the weather heats up, stay cool with this KoolKing 25,000 BTU air conditioner. This powerful air conditioner features three fan speeds for custom comfort. Installation is a breeze with the slide-out chassis and included window-filling panel. Use the 24-hour timer with sleep mode for cooling power when you need it. This Energy Star air conditioner can comfortably cool rooms of up to 1500 square feet. A remote control lets you take charge of your comfort from anywhere in the room. The low-maintenance design includes a washable filter.