Replace Bathroom Exhaust Fan Without Attic Access

How to replace a bathroom exhaust fan without attic access first floor home inspector secrets.

Replace bathroom exhaust fan without attic access.

The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. Begin by removing the screws on the cover of the old fan so that you can access the wiring. For quick reference a 50 square foot bathroom needs a 50 cfm fan. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the 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. Avoid venting through a soffit vent or ridge vent. For instance if your home has an attic you can get to the fan from above.

Another consideration to think about is the placement of your fan. Ceiling fans vent either into the. It s just a matter of figuring out the best route for running the exhaust duct. 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.

How to install a bathroom fan without attic access things to do before replacing a bathroom fan 01. Measure the fan housing and duct. Installing a bathroom fan with no attic is not much different from any other fan installation. To replace a bathroom fan all you need to do is remove the old fan and install a new one in its place using the same wiring and connections.

There are wall mount exhaust fans as well as ceiling exhaust fans. If you have a bathroom with a separate enclosed toilet you ll also need an additional fan for that space. The first and most important thing is to determine the fan size as well as the fan duct size. 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.