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Old 2019-10-02, 3:30am
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Speedslug Speedslug is offline
Join Date: Mar 21, 2009
Location: Winnebago, MN
Posts: 2,115


That isn't enough CFMs.

Multiply that by at least two and three would be better ( 4 if you can swing it).

We have literally whole encyclopedias worth of conversations about ventilation here.
Just use the Search function above next to the Quick Links near the top of the page.

You only have to learn this stuff once for your situation but you really need to learn it at least the one time.

Also most fan makers over state how much air they really move by 3 or 4 times what the fans actually accomplish because there isn't anyone actually holding them responsible until you get to industrial sizes.

So the 400 cfm could well be as little as 100 cfm.
Perpetually Pessimistic So I am Always Pleasantly Surprised.

Last edited by Speedslug; 2019-10-02 at 3:33am.
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