Duct size?
I am trying to setup my ventilation. What duct size do I need to use? I called the company that made my range hood but they have not returned my call. the hood is 22" X 30" I was going to use 8" round duct for exhaust and makeup air but I am having a hard time finding 8" wall caps locally but I can get 6" how do I know if 6" will work? I need to finish my setup before the snow starts!
Thanks
Kelli in AK
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