How To Replace A Bathroom Vent Fan Without Attic

The bathroom exhaust fan should be attached to at least one ceiling joist.

How to replace a bathroom vent fan without attic.

The ezfit fan is also more powerful and much quieter than typical fans. Begin by removing the screws on the cover of the old fan so that you can access the wiring. Turn off the breaker box. If your old fan wasn t attached to a joist and there is a space between the joist and the ceiling hole attach lumber to the joist to build it out next to the hole so the fan can be screwed to solid wood.

Bathroom exhaust fans perform an important function by removing excess moisture from your home. Use a circuit tester to ensure that the power is turned off. 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. If the metal housing doesn t fit you may have to secure some additional wood to the joists so that housing can be installed securely.

On the side of the hole opposite the joist attach a piece of 1x lumber inside the hole. These are easy to use and can be purchased at most home improvement stores. The ezfit fan from nutone model ez80n replaces both the fan and housing and can be installed from the bathroom without having to go into the attic. You might have to remove a few screws to get it out.

The best way to proceed with a bathroom fan installation with no attic is to run the venting duct between the ceiling joists and through a nearby exterior wall. Remove the grill cover. My favorite bathroom fan to install without attic access is made by panasonic and called the whispervalue.