Install Bathroom Vent Into Attic

One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.

Install bathroom vent into attic.

Measure the vent fan. Bathroom exhaust fans are not required by most codes. Remove your old exhaust fan. Dangers of wet bath exhaust vent air re entering the attic.

Use a circuit tester to ensure that the power is turned off. Each fan vents separately out the roof. You might have to remove a few screws to get it out. In order to accomplish this the roof has to have a hole cut in it.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. Now where the discharge point is is going to be up to you. Drill a reference hole draw a mark on the bathroom ceiling where you d like to install the vent fan. For optimum performance locate it between.

This involves running ductwork from the fan usually though an attic and out through the roof. Both bathrooms are vented by a single in line fan that has one exhaust vent running through the roof. Turn off the breaker box. When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.

The attic bathroom will need electricity to supply at least two 20 amp gfci outlets and one switch controlled ceiling light. These are easy to use and can be purchased at most home improvement stores. No you cannot vent your bathroom exhaust fan into the attic. A lot of options.

Remove the grill cover. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Each bathroom has its own exhaust fan. That will take it from the bath exhaust fan to a discharge point.

So what you want to do is you want to install a duct a vent duct and you can use flex duct for this. Do not spill bath vent air into the building attic or roof cavity where it will condense on and damage building insulation roof sheathing possibly framing and where it will certainly encourage mold growth. Either way the vent will have to go directly to the outside and installed with a vent hood cover. You should never exhaust the bathroom fan directly into the attic.

In lieu a window 3 feet square or more capable of being opened at least halfway will suffice. Install bathroom electrical circuits. It is because of this that many builders tend to advise against this method. See details at bathroom vent codes.