The Haier 12,000 BTU Portable Air Conditioner features quiet cooling ample to cover a room of about 500 sq. ft. Also this air conditioner is capable of removing about 100 pt. of moisture for the air per day. The unit uses eco-friendly refrigerant and is free of any lead or mercury making it RoHS complaint. Included is a 46 in. window exhaust vent kit. This model also features casters, a remote with 24 hour timer.