FAQ: How To Install A Bathroom Fan In The Wall?

Can you mount a bathroom fan on the wall?

Yes, you can install the fan yourself. Installing a through-the-wall fan is not as difficult as it sounds. Sure, there’s the fan type, the power source, the vents, the cutting, and much more to think of.

Do bathroom exhaust fans need to be vented outside?

Bathroom fan installation requires outside ventilation. 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.

How do I install a bathroom fan without attic access?

How To Install A Bathroom Fan Without Attic Access

  1. The best way is to run the venting duct between the closest exterior wall and the ceiling joists.
  2. On average, the cost of installing a new exhaust fan in the bathroom is somewhere between $238 and $536, with the average being $373.
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How do you install an extractor fan in a wall?

In order to prevent moisture from transforming into mould, most bathrooms require an extractor fan.



Fitting the extractor fan in the wall

  1. Create the hole in the wall.
  2. Insert the ducting into the wall.
  3. Fit the fan over the ducting.
  4. Make the electrical connections and secure the grill covers.

Can you mount a wall fan on the ceiling?

When you need a fan for a low ceiling room or other places ceiling fans just won’t work, wall mount fans are the answer. If you have a 7 foot or even 8 foot ceiling, you may not be able to fit a ceiling fan in because of law. Terry has the answer: Wallmount ceiling fans are a great alternative.

Where should an exhaust fan be located in a bathroom?

Typically a bathroom exhaust fan should be mounted as close to or inside (if rated for tub shower use) to the shower or tub as possible. This will maximize the effectiveness of the unit. Units located in a powder room, should be directly over the toilet.

What can I use if I don’t have a bathroom fan?

If your bathroom doesn’t have a fan, take advantage of the door and window(s) to let out steam. Whenever weather permits, open the window during your shower or bath and leave the window open for at least 15 minutes after you exit.

What is code for venting a bathroom fan?

Residential code: R303 Ventilation air from the space shall be exhausted directly to the outside. Mechanical code: M1501. 1 Outdoor discharge. The air removed by every mechanical exhaust system shall be discharged to the outdoors.

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Can I use a dehumidifier instead of a bathroom fan?

If you do not have an exhaust fan in your bathroom or it is not controlling the humidity enough to stop mold growth, a dehumidifier can be a great solution. This can be a part of your home air conditioning system or you can purchase a portable dehumidifier for your bathroom to control the level of moisture in the air.

Is it OK to vent bathroom into attic?

No, you should not vent a bathroom fan directly into an attic. Especially during cold weather months, the excess moisture from a bathroom vent can build up frost on the underside of the roof sheathing, and eventually this ice will melt and leak onto the insulation and drywall ceiling.

Does Home Depot install bathroom fans?

Professional Installation



A qualified installer or licensed electrician can manage the job from start to finish, ensuring your new exhaust fan is installed safely and correctly.

Do I need an electrician to install a bathroom exhaust fan?

Electricians handle bathroom fan installation. We recommend hiring a plumber or HVAC specialist if you need new ductwork. But for fan installation and wiring itself, electricians are the ones to call.

Is it easy to fit an extractor fan?

Extractor fan fitting is simple if you are only replacing an existing unit and it can provide great results! Always remember to crack a window or door open after using the bathroom. This enables the fan to draw fresh air and operate far more efficiently.

Do you need an extractor fan in a bathroom with a window?

If your bathroom has an openable window, it does not require an extractor fan to meet building regulations. However, they‘re generally required in any new build, especially if natural ventilation sources aren’t sufficient.

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