Whatever the window type - casement, crank or horizontal sliding - this 10,000 BTU casement slider window air conditioner from Perfect Aire has you covered. Cooling areas up to 450 square feet, this unit fits like a glove in such architectural windows without having to resort to costly custom designs. Find your comfort zone with adjustable temperature settings guided by electronic controls, three fan speeds and full-range air direction control. Want to wander through the room? Cool comfort is in your hands with the included remote that functions like a portable thermostat.