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Old 2018-09-13, 10:54am
Shaper Shaper is offline
Join Date: Oct 24, 2013
Posts: 80

You may want to reconsider mounting your fan to the window board instead of the hood. The fan mounted to the metal hood you have will it act like a speaker and amplify the noise from the fan and will direct that sound down to where you are working. Ouch! Mounted to the window board will create less noise, due to being mounted further away and on wood instead of metal. Wrapping the ducting with insulation will also cut the noise a little more.

Have fun
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