The Haier 14,000 BTU cool and 11,000 BTU heat portable air conditioner features quiet cooling and heating, ample to cover a room about 500 sq. ft. Also this model is capable of removing about 110 pt. of moisture from the room per day. It is uses eco-friendly refrigerant and is free of any lead or mercury making it RoHS complaint. It includes a dual hose 46 in. window exhaust kit. It also features casters, a remote 24 hour timer and adjustable air discharge.