Can you vent a bathroom fan into plumbing vent?

Can you vent a bathroom fan into plumbing vent?

The answer is no way! Sewer gas is explosive and could settle back into your exhaust fan which has an electric motor that is not rated for explosive gases. You’re now not at code for the sewer or the fan.

Do bathroom fans need to be vented outside?

Bathroom fan installation requires outside ventilation. If the fan isn’t accessible through an attic, you’ll need to vent through a sidewall of your house. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Avoid venting through a soffit vent or ridge vent.

Why do you need a bathroom vent fan?

A vent fan will draw out moisture and odors from the bathroom, improving air quality. Not only is it a good idea to install one, but many building codes now require it for new construction or when major bathroom remodeling is underway.

How do you vent a bathroom fan?

How to Vent a Bath Fan Through the Roof. Slide the vent hood under the roof shingles, centered on the duct, and press down flat. Lift shingles along the side of the vent hood and nail through the hood’s flange with roofing nails. Apply sealant under the shingles to each side of the vent hood, then press them down flat.

How to install a bathroom fan vent?

Bath Vent Overview. A bathroom without a ventilation fan is like a fireplace without a chimney: If you fail to pull the moisture generated in the bathroom out

  • Drill a Reference Hole. Draw a mark on the bathroom ceiling where you’d like to install the vent fan.
  • Mark the Ceiling.
  • Cut the Intake-Port Hole.
  • Position the Fan.
  • Attach the Fan to the Joists.
  • How do I size a bathroom vent fan?

    To determine the proper size vent fan you need for your bathroom: Calculate the number of cubic feet in the bathroom by multiplying the room’s height x width x length in feet. Divide the number of cubic feet in your bathroom by the number of minutes in an hour (60). Multiply that number by the recommended number of air exchanges per hour (8).