atticvent
I was reading the posts on why it is NOT a good idea to vent a bathroom fan to the attic. I agree, but is it against most code to do this? Can someone point me to the code?
Shouldn't the person who was hired to inspect the home before we bought it have noticed this and had the owner fix it? This was not even noted on his report.
I think you've answered your own question, you've got the best compromise if you MUST go through the soffit.
Any reason to not do a roof vent? Roof vent, it has a backdraft damper and a bird screen
What kind of pipes are in the attic space? There should not be any water pipes otherwise you have a risk of burst pipes. It sounds like there is a problem with the vapour barrier having gaping holes and missing or insufficient insulation.
A common problem with attic fans is that the ductwork is cold and when the fan is switched on for showering, then the humidity condenses in the ductwork and can run back inside the fan housing.
This doesn't sound like excess moisture -- to me that would mean a lot of moisture on the windows, for example.
Best Answer
The Code says it cannot be vented into the attic or crawl space. (See ICC M1507, 2017 edition.)