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Old 2016-03-15, 11:50pm
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Speedslug Speedslug is offline
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Join Date: Mar 21, 2009
Location: Winnebago, MN
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Aye and I would add that trying to deaden the sound from the structure with thick foam padding between the fan and the mounting bracket can help as well.

Anything to keep the vibration from getting to walls , roofs or floors will cut back on the noise levels.

I have my fan mounted to my huge hood and the hood is hung on chains with springs to more chains that hang from hooks in the ceiling.

Isolating vibration is the next step after getting quiet fan blades.

You might have to run two vent systems side by side to get both the low noise level and the amount of air movement you want.
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