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QuietCool Roof Mount Whole House Fans Compared

QuietCool offers whole house fans suitable for various types of homes. For homes with a vented attic, the Pro or Classic Series ducted whole house fans are recommended with a minimum clearance of 36 inches. However, there are homes with no attic or conditioned attics without venting. For such cases, the QuietCool RM whole house fans are the perfect solution. The RM WHF-4.0-DB model is designed for homes with a sealed or conditioned attic. It discharges air directly outside, bypassing the non-vented attic. The RM WHF-4.0-DG1 and DG2 models are roof mount damper grille models suitable for homes with small rafter bays between the ceiling and the roof. The DG1 model is for rafters 24" or greater on center, while the DG2 model is for rafters less than 24" on center. These models are ideal for flat or sloped roof homes with cathedral ceilings. For homes with less than 6 inches of clearance between the ceiling and the roof, the roof mount plenum model, RM WHF-4.0-PL, is the perfect solution. It includes a plenum box installed on the roof as the air passage for the fan. This allows installation in various applications, including flat roof homes, sloped roof homes with cathedral ceilings, and even office buildings. The roof mount line of whole house fans offers increased comfort, ventilation, and savings without the need for an attic space. #quietcool #homeimprovement #wholehousefan