The Royal Sovereign ARP-4012H is a 4-in-1 air comfort system. This robust 12,000 BTU air conditioner also features Heat for winter months, Fan Mode with 3 speeds to circulate air, and Dehumidification removing over 72 pints a day with-out emptying a bucket. Powerful, full featured performance is packed into this compact, attractive design. Always focusing on customer experience this design provides quick and efficient cooling with a unique self evaporating system. Oscillating Mode and adjustable louvers directs airflow. Built-in casters and easy set-up allows this Portable Air Conditioner to be moved from room to room.