"This Tamarack Insulated Whole House Fan cools your entire house for less than the cost of operating a light bulb. Energy-efficient operation drastically reduces air conditioner use by drawing in cooler outside air and exhausting hot indoor air. U.S.A. Amps 1.16, Speeds qty. 2, Power Cord ft. 6, Air Delivery CFM 1,600/1,150, Watts 140, Volts 115. R-38 insulated doors create an airtight seal between the attic and living space when not in use Mounts horizontally or vertically on either 16in. or 24in. on-center floor or wall joist Plugs into a standard outlet and includes a remote control UL listed"