Wireless RF Control Kit Included QuietCool offers whole house fans for every type of home imaginable. For homes without a conventional vented attic, our Roof Mount Whole House Fan line is the perfect solution for improved comfort, ventilation, and savings.Say goodbye to relying solely on traditional cooling methods like air conditioning, which can be costly due to rising electricity prices. QuietCool whole house fans use cooler outdoor air to efficiently cool and ventilate your home and attic. This not only fosters a healthier indoor environment but also significantly reduces energy usage, potentially saving you up to 50 to 90% on your A/C-related electricity bills.Furthermore, QuietCool whole house fans greatly improve indoor air quality. By continuously swapping stale indoor air with fresh outdoor air, this fan helps remove pollutants, allergens, and other contaminants that can build up inside your home. It also helps prevent moisture buildup, reducing the risk of mold and mildew. When properly sized, the QuietCool can provide a complete air exchange every 3 to 4 minutes.Every QuietCool RM whole house fan includes a three speed Electronically Commutated Motor, or ECM, that offers ultra-energy efficiency, included wireless controls, and an industry leading 15-year warranty.The RM WHF-4.0-DB is designed for homes with a sealed or conditioned attic, and a minimum of 36" of clearance.The RM WHF-4.0-DG1 and DG2 models are designed for homes that have small, 6” or greater, rafter bays between the ceiling of the home and the roof. These fans use the rafter bay as an air passage between the fan unit and the damper grille. The DG1 model is designed for homes that are built 24" on center and the DG2 is for homes that are less than 24" on center.The RM WHF-4.0-PL is designed for homes with flat roofs and no rafter bays between the ceiling of the home and the roof. In this application, the included plenum box is installed on the roof, acting as the air passage for the fan.Instead of discharging the air from the home into the attic, this fan discharges the air directly outside, bypassing the non-vented attic. This allows homeowners with conditioned attics to enjoy all of the benefits of QuietCool.The Roof Mount line of whole house fans allow you to turn off your most expensive appliance and improve the air quality and comfort of your home in just minutes. More Details at QuietCoolSystems.com Owner's Guide RM WHF-4.0-DG1 Specifications Sheet RM WHF-4.0-DG2 Specifications Sheet RM WHF-4.0-DB Specifications Sheet RM WHF-2.0-DB Specifications Sheet RM WHF-4.0-PL Specifications Sheet RM WHF-2.0-DG Specifications Sheet
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