Bathroom Exhaust Fan Soffit Vent

Venting a bathroom exhaust fan using the soffit in unison with the ridge vent at the peak of the roof has been found to be the most efficient way to vent.

Bathroom exhaust fan soffit vent. Proper bathroom vent exhaust fan placement becomes critical if you have any sources of hot moist air in the bathroom area tub shower steam room etc and the best strategic vent location would be directly above or as close as possible to that source but still high up. In this video owner Alex Schuts talks about why you shouldnt vent out of your Soffitt and what actually happens to that air and how it can effect your home. There are two main objections to terminating a bath exhaust vent at the soffit.

Pinpointing a suitable venting spot for your bathroom exhaust fan. If there are bends or dips then that means the moisture in the air can accumulate in. Venting your bathroom exhaust fan through your homes soffit is indeed an option.

In this video Chris shows how he vented the bathroom exhaust fans through the soffit in this fixer upper. So then the argument is that your humid bathroom exhaust comes out and is sucked back into the attic by the soffit vents built into most roofattic systems. The only task left incomplete is to vent the bathroom fan.

Typically an exhaust fan that is vented through the roof has a roof hood or roof cap which allows air to exhaust but provides protection from wind blown rain. Bathroom fan kit fan ductwork connections soffit cover fan cover. You dont want humid air from the bathroom to be pulled into the attic.

If I use insulated rigid pipe to the eave sloped towards the eave and a little insulated flex pipe to connect to the dedicated soffit vent would that not be OK. BUT if you have a vent several feet away 10 feet is required for noxious exhaust but bathroom exhaust is not considered dangerous and not subject to this you do not have a problem code-wise or not. However the air coming from the exhaust must go through the soffit and not into it.

HOW TO VENT A BATHROOM EXHAUST FANiPower Vent Hose. Use a tool to fasten the screw and dont just do it by hand or it will come off easily. If it is actually rain water coming in through the duct from the roof confirm that is there a cap on the duct if not install one.