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Installing a ventilating fan in your bath will help eliminate fogged-up windows, steamy mirrors and stale odors. But more importantly, it will help prevent moisture-related problems, such as the growth of mold and mildew.
Learn the secrets to running a new exhaust line through the outside wall, install a fan and connect the ducting and electrical. Cheers!
Here are the steps you’ll need to follow for a bathroom fan replacement. Product costs, availability and item numbers may vary online or by market. It's easiest to install a bathroom vent fan if you’re replacing an existing fan. You can use the existing switch, wires and ductwork.
Install Bathroom Vent Fan Flexible Duct: Wire Cutter and Scissors. I pushed the 4 inch flex duct into the soffit where I drilled the mounting hole for the new vent. Take care not to tear the flex duct on the nails poking through the roof deck. BTW – the new bathroom fan is located beneath the 2×4 boards at the lower left corner of the photo:
Replacing your bathroom fan isn’t complicated. It can be one-afternoon DIY project that doesn’t require extensive experience with drywall or electrical wiring.
In this guide, I will go over the 6 steps to properly vent a bathroom fan as well as a few other installation best practices. Let's get started! Homeowners need to first choose an exit location for the vent on the exterior. The most common locations are the roof, exterior wall, or gable wall.
Run a duct from the fan to either the roof or a side wall so the air can be exhausted outdoors. If at all possible, run the flexible ducting to a wall, as this helps you avoid shingle work and the possibility of roof leaks.
Our buying guide helps you decide on the right bathroom fan for your home. Bathroom fans require an electrical circuit to power the fan. The humid air is carried outside the home via ducting. You'll need to know if your bathroom fan installation project requires an electrical or mechanical permit from your local municipality. Tools needed:
In this video, This Old House general contractor Tom Silva explains how to vent a bathroom fan. Steps: 1. Drive nail through house wall from attic; this will serve as a reference point for positioning the wall cap. 2. From outside, use 4¼-inch hole saw to cut hole for wall cap. 3. Apply caulk around the backside of the wall cap. 4.
Connect the duct to the fan: Attach one end of the duct to the exhaust fan using duct tape. 3. Run the duct to the vent: Guide the ductwork through the attic or ceiling and connect it to the exterior vent. ... Installing an exhaust fan in your bathroom is a rewarding project that will significantly improve air quality and bathroom comfort. By ...