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Air Sealing (8)
(-) Envelope (8)
Fans (8)
(-) Openings (8)
Thermal Enclosure (8)
(-) Whole House (8)

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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

Right - This ceiling-mounted mini whole-house fan has built-in insulated covers to reduce heat loss when the fan is not in use

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

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