This new model of quiet whole house fan is an installer-exclusive product,
meaning these fans cannot be purchased directly and are only available through a
manufacturer’s authorized installer.
The included damper system features barometric pressurized gravity dampers that ensure there will be no heat/cooling loss between the home and attic. Compare this to traditional whole house fans that have old‐style shutters with zero R‐Value.
QuietCool Whole House Fan San Diego – QuietCool Whole House Fan