The Haier 12,000 BTU Portable Air Conditioner features quiet cooling ample to cover a room of about 450 sq. ft. 8000 BTU of Heating. 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.