Home Maintenance & Repairs: Do bathroom fans need to be vented through the roof? Hudson Designs on Feb 06, 2011 With bath vent they need to be vented to outside. Moisture and gas removal is there #1 job. ...» And to just dumb it into the attic is not good idea.
With bath vent they need to be vented to outside. Moisture and gas removal is there #1 job. ...»