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Old 08-29-2010, 03:50 PM   #1
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Should I have an ventilation fan behind my gable vent?


Right now I have just a gable vent, but I'm wondering if I should install a thermostat controlled fan for the attic space.

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Old 08-30-2010, 06:38 AM   #2
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Should I have an ventilation fan behind my gable vent?


It can't hurt, but ideally soffit/ridge vents work better and don't use electricity.

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Old 08-30-2010, 08:29 PM   #3
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Should I have an ventilation fan behind my gable vent?


If these are your only vents, they are least efficient: pp. 602: http://books.google.com/books?id=Z8a...0vents&f=false

If only another gable vent and a powered fan, you will suck the conditioned air from the house through every hole and crack in the top plates and ceiling, possibly other areas: http://www.advancedenergy.org/buildi...%20Studies.pdf

http://www.ronhungarter.com/ventilation_repairs.html

Gary
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