The Samsung 18000 Slim Duct Heat Pump is a start of the art unit, which gives users ultimate control of room temperatures. Built to work with energy efficiency, this system is reliable and durable, and can accurately dictate desired room temperatures in a short period of time. This heat pump's Night Time Quiet Mode decreases the amount of noise made by the unit during evening hours. This product also features an auto-restart function in the event of a power loss, and a soft start compressor which minimizes current inrush.