Should I Have An Ventilation Fan Behind My Gable Vent? - Carpentry - DIY Chatroom Home Improvement Forum

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Old 08-29-2010, 02:50 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, 05:38 AM   #2
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It can't hurt, but ideally soffit/ridge vents work better and don't use electricity.


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Old 08-30-2010, 07:29 PM   #3
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If these are your only vents, they are least efficient: pp. 602:

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:

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