Reply With Quote4" is quite typical for bathroom fans. You should be OK. Check with a builder up there in your cold climate about how to insulate the ductwork, because condesation could be an issue.
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Bathroom Fan
Sorry if this question has been asked a million times.
Just building a new house, and the roofers came earlier than I expected before I could ask someone this question. I got them to put a 4" vent on the roof with a flapper that I'm going to connect the bathroom fan to. There isnt a minimum size for a bathroom fan is there? Any tips/advice would be appreciated
cheers
4" is quite typical for bathroom fans. You should be OK. Check with a builder up there in your cold climate about how to insulate the ductwork, because condesation could be an issue.
Thanks for the reply, sounds like I'm all good then.
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