I had a discussion started a while back about a bathroom exhaust vent
(soffit mount) titled "bathroom fan not completely vented to soffit vent?".
I found a solution locally, click on the link and let me know what you
think: http://www.duraflo.com/_tier3.asp?x=1&y (&z=2
I doubt if they tell you, but that vent should be fairly far away from
any soffit vents. If it is near soffit vents it is the same thing as
venting it into the attic as the warm moist air is ejected under to soffit
only to be picked up and put back into the attic be adjacent soffit vents.
A few years ago we were doing some work on a house and noticed that
the soffit was rotten around one of the soffit vents. When we took
the soffit off we found that someone had run a flexible pipe from the
bathroom vent to the soffit vent to exhaust the moist air. The
problem was that all that moisture had promoted the rotting of the
I don't know if that would be a problem with this particular vent, but
I would prefer venting through the roof if there was an option.
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