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Air seal whole-house fans to minimize air leakage.
Install the whole house fan in the ceiling in a central location in the house
Insulated whole-house fan cover
Whole house fan cover details
Whole house fan with a built-in insulated cover
Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed
Wrong – Whole house fan installed without an insulated cover