Enjoy a comfortable home climate with this versatile 10,000 BTU SACC/CEC (14,000 BTU Ashrae) dual compact air conditioner & heater (11,500 BTU Ashrae) Commercial Cool unit. It cools, dehumidifies, circulates air in the summer, and provides heat during those cold winter months. Offering immediate, uninterrupted comfort, this Portable Air Conditioner features easy-to-use LED electronic controls and is quiet while you sleep. This unit comes with rolling castors and side carrying handles for easy-to maneuver mobile comfort and everything needed for an effortless installation. Keeps a room, home, bedroom, apartment, dorm or garage comfy during the summer months when the heat sets in. Works in double hung or sliding windows only, no crank windows. To minimize noise and vibration, the air conditioner should be placed on a firm floor. For safe and secure positioning, place the unit on a smooth, level floor strong enough to support the unit. For a better cooling, make sure all the windows and doors are closed. Connect the duct and make sure it can function properly. Also note that, micro processor control delays the compressor from operating until 3 mins have passed.