Cool your home the effective, efficient, and quiet way with the QuietCool Classic Whole House Fan System, QC CL-1500. This whole house fan is designed for small bedrooms and other small rooms up to 740 square feet. Whole house fans like this one bring cooler air from the outdoors to the indoors. With the flip of a switch and the opening of a window, you’ll be on your way to a cooler home environment. This cooling ventilation system includes a motorhead, a ceiling grille, a cut-out template, window locks, a damper box, a 6-foot duct, and an accessory bag.