The commercial wall fan OAC heater provides a burst of heat in areas affected by cold drafts. Designed for residential, commercial and industrial use, the unit can be recessed or surface-mounted. Powered by a closed factory lubricated motor, the fan blows warm air downward to create air circulation. Cut down on cold drafts Bottom air outlet High limit temperature control with automatic reset Closed, factory lubricated motor 55 dBA 160 cfm fan