Mounts on the ceiling. Ideal for Bedrooms and other small rooms.2 fan units in one - (high & low speeds)3 Year Warranty QC-1000 Specifications: Motor Voltage 120 V. AC, 60 HZ. Motor Amperage .70 Amps Power Consumption 38 Watts Low Speed/ 75 Watts High Speed Motor Speed 1,560 RPM Air Flow @0.1" SP 500 CFM LOW / 1,000 CFM HIGH Speed Sound Level In Room 52 dBA Ceiling Rough Opening 14 1/4"x 22 1/4" R Value at Closed Damper R 6.8 Intake Grille Outside Dimensions 16"x24" Intake Grill Color White Airflow Seal System Insulated Gravity Doors Attic Venting 1.5 SQ. FT Tandem whole house fan Special price Includes Shipping and Remote !  Click Here !