The Original Quiet Cool CL-6000 is a ducted inline whole house fan that moves 5665 cubic feet of air per minute to increase airflow and cool your home in minutes — at a fraction of the cost of air conditioning.This house fan can quickly and easily be installed almost anywhere in a ceiling or vertical wall. It comes with a built-in back draft damper to prevent energy loss when the unit is not in use.You can control it easily with a “set it and forget it” 8-hour on/off timer, or a wireless remote controlQUIET COOL BENEFITS Draws fresh cool air in and pushes stale hot air out to naturally to improve the air quality in your home Reduces AC usage to cut your utility bills by 50-90% Nearly silent operation; suspension installation and acoustic insulated flexible ducting keeps vibration and noise to a minimum Compact and easy to install Manufactured in the US Questions? – Toll Free 1.888.845.6597 or Direct 1.661.775.5979Installers/Contractors Please Call For More Information about how the QuietCool fans can increase your sales to your own customers. More Info Recommended Sizing: 2-3 CFM per sq. ft. of area to be cooled UL Listed components Easy, plug-in installation, no carpentry required Available optional switch for multiple fan operation from one location Available optional electronic 8 hour timer – set and forget operation Available optional remote control 10 year warranty All parts manufactured in the US Download the Installation/User Manual Specifications Motor Voltage: 120 VAC, 60Hz Energy Use: 769 Watts High/560 Watts Low Air Flow: 5665 CFM High/4289 CFM Low HVI-916 Airflow (for CA Title 24 New Construction): 4160 CFM Required Venting: 7.56 square feet net Covers Up to 2840 square feet Speeds: 2 Sound Level dBA: 51.1 High/44.1 Low Duct Diameter: 22″ Duct Length: 9 feet Motor Head Diameter: 22 1/2″ Motor Head Length: 13 1/2″ Dampers: Barometric Pressurized R5 Dampers Ceiling Rough Opening: 14 1/4″ x 36 1/4″ Removable Grill Outside Dimension: 16″ x 38″ Controls: Remote control or hard wire capabilities   Requires 7.56 square feet of net attic venting. Covers up to 2833 square feet. Testimonials