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Old 04-20-2006, 12:51 PM   #1
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Attic In & Out Fans

has anybody ever seen a device like this?

a single fan system that would do two things - move air from the house to the attic (summer cooling) and move air from the attic to the house (spring / fall warming). it would require a bi directional fan (prefferably variable speed) and some kind of bi directional shutter system to keep the cold winter attic air out.

ever seen such a system?


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Old 04-20-2006, 03:31 PM   #2
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have not heard of such a thing.I normally see louvers at the hallway that will open when the fan that is mounted on the side wall of the attic to exhaust house air and attic air.I for one would not want attic air/dust/insulation particals entering back into the living space. This could cause some sort of respirtory problems for the family.Adding central cooling with a good filteration system is the way to go.


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