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Old 04-11-14, 10:55 AM   #11
BobD
Lurking Renovator
 
Join Date: Dec 2009
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Daox,
Yes, I built essentially the same type "coffin box" around my fan that Jeff5may described above from 2' thick foam and I split the top into halves and hinged from both sides with duct tape. When the fan is turned on, the top opens from the air pressure and closes automatically from gravity when the fan is turned off. I did have to put a vertical stop on both sides of the "coffin" to prevent the tops from opening too far (more than 90 degrees) and failing to close, but this works great and I no longer notice the temperature differences in the hallway under the ceiling fan louvers. Thanks to all for your comments and solutions. This is a great forum for solving these types of problems and getting ideas for other helpful, energy saving projects.

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