Quiet Cool QC CL-4700RF Whole House Fan

The QC CL-4700 is a ducted whole house fan that moves 4415 cubic feet of air per minute on high. The main advantage of the QC CL-4700 is that it is quiet to run. This quiet cool attic fan is mounted suspended from the rafters in the attic which serves to mute the sound. The acoustical insulated flex duct provided also serves to reduce the sound of the fan which you can hear in your home. The quiet cool attic fan installation is also a cinch. Utilizing the template provided in the box, you cut an area for the grill, which may be used horizontally or vertically mounted. Plug-in operation is simplified by the included line cord. The built-in gravity damper keeps outside air from entering your home. Control Options: Off the shelf, the QC CL-4700 comes equipped with a standard 120 VAC line cord. This will allow the fan to run at full power either via an optional remote kit or a standard on/off switch. The QC CL-4700 is capable of operating in a two-speed mode, which requires a hardwired ins