10:34AM | 09/14/05
Member Since: 07/19/05
3 lifetime posts
I installed a whole house fan in my cape house. Followed directions to a T!

But when i turn it on - there doesn't seem to be any stronger airflow! The fan is 5700 CFMs for a 1800 sq ft area.

Any suggestions??

doug seibert

11:26AM | 09/14/05
Member Since: 08/10/02
842 lifetime posts
whole house fans need lots of "breathing room"....venting.....on the output side....

For the need to limit the # of windows open to get the breeze......

how is the fan mouted?....where ?......

In my oldetimey house......the large fan is mounted vertically near the attic gable end wall......a like sized screened and louvered vent covers the exterior opening.......a same sized enclosure extends down to the ceiling opening and the interior louvers.........


11:39AM | 09/14/05
Member Since: 07/19/05
3 lifetime posts
The fan is mounted on the ceiling at the top of the stairs. It's got an automatic shutter.

Due to the layout of the ceiling - the fan is not DIRECTLY on top of the stairs - but off to the side a bit (should this make a difference?)

We also put in Automatic Gable Shutters. (When we turned on the fan - we also noticed that the shutters didn't seem fully open). Is that due to a lack of air flow out? Or malfunctioning shutters?


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