Exhaust fan into attic

Venting this fan into the attic is simply asking for problems. Bathroom vent fans must be vented to the out of doors. The excessive moisture will cause condensation on the roof members, insulation and eventually cause mold.

It is never OK to vent directly into an attic even if the attic itself is vented. Historically, extractor fans were vented into the attic of the home.

Home builders learned from this lesson and began running exhaust ventilation ducts to the outside of the home.

For this to work properly, air ducts must be properly seale meaning no tears or holes that would allow moisture to escape into .

Therefore, if you vent warm moist air from your bath fan thru your soffit, the soffit will just draw that same warm moist air back into your attic. Other venting options includes running the duct up through the roof or down through the soffit. Jeff Howell your property problems. This week: venting from bathrooms and slow-to-start shower pumps.

First off, I have two bathrooms with bathroom fans.

Each fan vents into its own white plastic tube which runs the length of the attic and . The second floor bathroom exhaust terminated in the attic. It was full of frozen condensation essentially disabling the vent. When the weather warms, this wi.

If your bathroom fan vents into the attic , you can be putting your attic at risk for mold and other moisture issues. Be sure that your bathroom fan properly.

Is venting fart fans into the attic within code? I have sealed my home from the attic inches of insulation . Air shall not be exhausted into an attic , soffit, ridge vent or crawl space. Exception: Whole house ventilation -type attic fans that discharge into the attic space of dwelling units having private attics shall be permitted.

What this specifically means that you cannot run exhaust INTO (inside) the . These remote bathroom exhaust fans have insulated flexible duct pipe that extends from the fan motor to small exhaust inlet boxes that are attached to the framing members in your bathroom ceiling.

We need to replace our old bathroom exhaust fans.