Bathroom Vent Fan Installation

During a recent bathroom remodel the plumber installed the fan while he was working in the attic on a vent pipe stack through the roof.

Bathroom vent fan installation. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent. A modern refrigerator operates at about one sone vent fans range. Keep the fan duct length as short and straight as possible. This video is sponsored by broan.

8 best bathroom fans with led lights 2019 duration. Bathroom vent fan installation is another project i have done both ways hiring it out and doing it myself. Long vent fan duct runs reduce the ability of the fan to move air. Lower the fan into place and secure it with drywall screws then use flexible duct pipes to vent the fan to the outside.

For example a 100 square foot bath would require a 110 cfm rated fan. Attach the vent point to the exit point then wire the fans electrical connections. Some manufacturers require a minimum distance between the duct outdoor termination and the fan assembly. Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating.

Preparing for bathroom vent fan installation youll need to have electrical wires in place for the ventilation fan. How to replace and install a bathroom exhaust fan duration. To determine which size fan to buy for your bath multiply the rooms square footage by 11. If youre replacing an old fan with a new fan theyll already be there but if youre upgrading the fan to one with extra features you may have to run new circuit wires to a dedicated circuit breaker.

Fans also have a sound rating measured in sones. A review of installation guides for several bathroom vent fan models did not come up with a maximum distance. See below for a shopping list and tools subscribe. To install a bathroom fan go into your attic and clear away the insulation where the fan will go then return to the bathroom and use a jigsaw to cut out the hole for the fan.

I used the broan sensonic bluetooth. Bathroom vent fan duct length restrictions. An electrician was already working on the wiring for new lighting fixtures above the vanity and pulled service to a double light switch that controlled the light on the fan with one switch and the fan with the other. Ezvid wiki 2873 views.