Showing results 1 - 25 of 25
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Air seal and insulate around the exhaust fan with a rigid foam box
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Air seal around kitchen and bathroom exhaust fans to keep conditioned air from leaking into unconditioned space.
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Allow two to three feet of straight duct run from the fan exhaust port to the first elbow
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Bathroom exhaust fans are timer-operated to encourage removal of moisture from the home.
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Caulk or foam seal between the exhaust fan housing and the ceiling gypsum; install a gasket or caulk around the exterior exhaust duct vent
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Exhaust pipe should be made of smooth, rigid duct and any bends should be gradual, not sharp
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Install the fan either in the range hood, the cabinet above the stove, or on the wall above the stove
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Opening the outlet on a bath fan reveals model information and provides access to the motor
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Right – Fan with a cleanly cut and properly sized hole has been air sealed to drywall
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The exhaust fan housing may have holes that allow conditioned air to leak into the attic
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The gap around this kitchen exhaust duct represents a significant source of air leakage to the unconditioned attic
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The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
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Vent the kitchen fan exhaust directly to the outside, not into an attic, crawlspace, or space between floors
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Wrong – Roughly cut hole that is larger than the fan, making it difficult to seal
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Wrong – Roughly cut hole that is larger than the fan, making it difficult to seal