The Quiet Cool Whole-House fan system is more than a large fan motor in a box, attached to your attic floor. The Quiet Cool is a complete ventilation and cooling system that consist of insulated flexible ducting, ceiling grille, and fan unit with positive closing doors that avert cold air intrusion. There are no belts to replace, plastic fan blades or mechanical doors. The Quiet Cool is the quietest, most innovative whole-house fan system on the market! Why spend money purchasing and installing a home improvement store type fan that is too loud to install in a bedroom, living room, etc. Other whole house fans sold on the market can move a large amount of air, but are not very accommodating or versatile, due to the noise they generate. Consider, whole house fans are designed to be used when the outside temperature is cooler, generally in the evening and morning hours. Quiet operation is one of the main benefits of the Quiet Cool Fan. The low noise level will enable you to run the fans j