Replace Bathroom Exhaust Fan Without Attic Access

Measure the fan housing and duct.

Replace bathroom exhaust fan without attic access.

There are wall mount exhaust fans as well as ceiling exhaust fans. What is important is that the fan does its job of removing excess moisture that can lead to a multitude of problems from peeling paint to unhealthy mold and mildew. Avoid venting through a soffit vent or ridge vent. How to install a bathroom fan without attic access things to do before replacing a bathroom fan 01.

Begin by removing the screws on the cover of the old fan so that you can access the wiring. Before even purchasing a new bathroom exhaust fan it may be a good idea to remove the fan cover and measure the exhaust fan housing in between the drywall. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. For quick reference a 50 square foot bathroom needs a 50 cfm fan.

Another consideration to think about is the placement of your fan. If you have a bathroom with a separate enclosed toilet you ll also need an additional fan for that space. Ceiling fans vent either into the. A bathroom exhaust fan 5 reasons bath fans have such poor air flow install a bathroom exhaust fan how to replace a bathroom exhaust fan without attic access first floor home inspector secrets how to repair a bathroom fan the family handyman.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. It s just a matter of figuring out the best route for running the exhaust duct. The first and most important thing is to determine the fan size as well as the fan duct size. If you have access to the attic the fan can vent either through a gable wall or roof.

If your new exhaust fan is larger you will need to cut some of the drywall with a keyhole saw and possibly attach wood supports to the joists. When you replace a bathroom fan in a home with an attic the job will usually be a lot easier. How to replace a bathroom exhaust fan without attic access first floor home inspector secrets. Those individuals who are installing a bathroom exhaust fan without attic access will want to first measure the hole in the ceiling to make sure your new fan will fit in.