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Tennis,
I can of three significant objections to mounting a fan
in the roof:
1) maintenance will be a real
P.I.T.A.,
2) the fan and its housing will
block light
3) how do you shutter the fan
when it is off, especially in winter, when it won't run much at
all.
I went with a very large exhaust fan in the upper reaches of
the north end. There's enough mixing of the air due to the circulation
fans that stratification is not an issue.
Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Artwork, Books and Lots of Free Info! |
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