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Bathroom and Kitchen fans in basement

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  • Jan 10th, 2022 10:06 am
Jr. Member
Sep 11, 2013
181 posts

Bathroom and Kitchen fans in basement

Hi guys,
Im installing fans in my basement project. I have someone coming to core out the holes tommorow.

Most ducts for bathroom fans are 4 inches

I want a ceiling fan option in my Kitchen because its a small area that we dont intend to use much. Should I just use another 4 inch hole down there too and get a higher CFM fan?
2 replies
Deal Fanatic
User avatar
Dec 4, 2009
6494 posts
If you mean a bathroom style fan in the kitchen, I'd think that they're not designed to capture grease, which is what will happen if it's running near where you cook. Is a hood fan out of the question? I'd say in most cases they're even easier to install.
"I'm a bit upset. I've been grab by the back without any alert and lubrification"
Deal Addict
Nov 17, 2012
4171 posts
I'd go 6 inches for a range hood. It's easy to adapt a small 4" range hood duct to a 6" outlet. But if you put a decent range hood in there, you can't be connecting a 6" hood to a 4" duct without real problems.

You should do some research of your own - this information is all out there on Google.


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