Bathroom Exhaust Fan Installation: 13 Important Questions You Need To Ask

Bathroom exhaust fan installation is important. Just as a chimney is for a fireplace! This easy appliance, if geared up properly, pulls all the moisture generated in the bathroom and maintains the realm dry, healthy, and well-maintained.

Despite this generic fact, many householders do not nonetheless have bath fans. The reason is that they’re intimidated by bathroom exhaust fan installation. But, believe us, there’s no use for any apprehension. This article will guide you by way of the total strategy and tell you approximately necessary questions and their options to bear in mind when going forward with bathroom ventilation installation. Right here goes:

Are exhaust fans required in bathrooms?

Yes, exhaust followers are certainly necessary in stopping moisture harm to partitions and ceiling, decaying of wood trim, mold and mildew, and widespread deterioration of the building insulation.

This spot ventilation, especially in a bathroom, is critical for retaining healthy degrees of indoor humidity as well as overall environment.

When you employ a shower, quite a lot of moisture is further to the ambient air and receives concentrated.The resulting blistering paints and peeling wallpapers aren’t only a sore sight for the eyes, additionally they lower your house’s value.

What all does abath exhaust fan do?

A bathroom exhaust is a small fan that draws air from the toilet and pushes it out through a vent that is minimal 4-inch long. It’s a great way to:

  • Improve indoor air quality
  • Protect tiles
  • Remove bathroom odor
  • Lower bathe and tub humidity
  • Defog mirrors
  • Discourage mould growth
  • Prevent wood trim decaying
  • Slow fixture rust

Can bathroom fan installation be completed as a DIY project?

Yes, bathing room air flow installation is quite potential in case you have the know-hows in place. This text will take you through the total strategy step-by-step. It’s simple and fun. However, when you’re in doubt, stop, and contact an authorized contractor.

Can a bathroom exhaust fan be set up at the wall?

Yes, there are two ways of installing a fan, via the toilet ceiling or mounting it on among the walls.

Where exactly should a rest room exhaust fan be located?

A bathing room exhaust fan should be as practically the shower or bath as possible. This would maximize its effectiveness. If it’s positioned in a powder room, ensure it’s directly over the toilet.

How are exhaust followers rated?

Exhaust fans are measured with the aid of two factors:

  • CFM (cubic ft in keeping with minute) which indicates the force of the fan’s draw. Such a lot widespread bogs require followers with under 200 CFM.
  • Sone which suggests the sound the fan makes. It stages from an almost silent 0.5 to 4.0 which sounds as loud as a television. Most people choose a 1- or 2-sone fans.

What is the ideal CFM for a standard-sized bathroom?

There are no tough and fast guidelines involving CFM rating yet the ideal hooked up is 50 CFM for a bathroom with a bathtub,a hundred CFM for a jetted whirlpool tub, and 50 CFM for a shower.

bathroom exhaust fanPixabay

Where does a rest room fan vent to?

Bathroom exhaust followers must be installed in this sort of way that they’re vented outdoor. Don’t vent the fan straight into the attic whether the attic itself is vented. The high moisture will trigger condensation for the roof members, insulation, after which trigger mould and mildews.

How much does it cost to put in a toilet exhaust fan?

Generally, the price of bathing room exhaust fan installing might set you back with the aid of round $200 to $550 for a standard-sized bathroom. The price additionally depends upon no matter if the strategy involves reducing throughout the ceiling to house a roof vent or if a brand new ductwork should be created. For instance, in case running the duct contains going by way of the total attic, it would cost more.

Additional functions could upload considerably to the cost. For example, setting upa humidity sensor — the gadget which instantly turns at the fan just as the humidity point reaches a undeniable point — blend gentle fixtures, noise-dampening, etc.

You have got to get a quote from at least 3bathroom remodelingenterprises to get a fair idea. You can of course store appreciable funds if you opt to do it yourself.  

bathroom exhaust fan installationPhoto with the aid of Tomwsulcer – Possess work, Public Domain

What are the conventional expenses of bathroom fans?

A popular exhaust fan costs around $70 to $120. But, the bigger the bathroom, the higher the cubic feet according to meter (CFM) necessary and the extra highly-priced it’s going to be. Additionally thesone rating, which identifies the unit’s noise level, determines its cost.It’s significant to select a fan that meets your budget and requirements.

When shopping for a new bathroom exhaust fan consider extra capabilities available in the market along with mild or heater. Remember that these would require extra electric wiring, or a circuit upgrade.

What is the largest legality to remember before abathroom exhaust fan installation?

Before starting this project:

  1. Get all of your enables in place.
  2. Go through your homeowner’s insurance; be sure it does now not require an authorized contractor for the sort of electrical task.
  3. Verify local constructing codes; comprehend if there are specific specifications that have got to be met.

If you’re an experienced DIY homeowner, use your ordinary sense, discuss with the manufacturer’s instructions, and set up the bathroom exhaust safely. You’ll have the ability to do it in a single day if you’ve deliberate the task well.

How significant is making plans the exhaust fan system’s layout?

Very important. Installers who blindly reduce a hole in the bathroom ceiling, and not using a appropriate layout plan, oftentimes run into problem — particularly once they come across an unseen obstruction along with a plumbing vent or aircon duct. You don’t prefer the duct to make too many bends or be too long —it decreases the fan’s efficiency. 

Finally, we come to the biggest question.

How to Install a Bathroom Exhaust Fan?

Follow here steps for a smooth bath exhaust fan installation:

  1. Turn off the circuit breaker controlling the fan’s energy source. Retain the circuit breaker off for the rest of this project.
  2. Identify the exhaust fan’s location.
  3. Plan the duct’s course from the exhaust fan toward the discharge vent. A directly duct direction facilitates the fan’s efficiency.Every additional foot and bend the venting makes increases friction and decreases air draw.
  4. Cut a hole in the toilet ceiling utilizing a drywall knife — keeping the design of the fan housing in mind.
  5. Set the duct connector within the ceiling.
  6. Hold the fan housing up and slide the connector into the slot.
  7. Drive screws into the joists.
  8. Head as much as the attic and fasten the brackets to the joists.
  9. Connect the bracket to the body with a screw.
  10. Attach the ducts to the connector with HVAC tape at the wiring.
  11. Take off the junction box cover.
  12. Connect the house wires with the fan wires.
  13. Replace the junction box disguise and switch at the power.
  14. Add the mounting springs and push the cover into place.
  15. Your bathing room exhaust fan installing is complete.


A absolutely practical bathing room exhaust fan is not a luxury; it’s a necessity. It replaces contaminated, stinky air with fresh air. A rest room with out correct ventilation has numerous problems including, stuffiness, foggy mirrors, and unpleasant odor.

Hopefully, this text will persuade many owners to install a rest room exhaust fan in their home. And, that too, all by themselves. Not simply will they be able to store dollars but in addition gain knowledge of all about bathing room exhaust fan installation. Just a notice of warning though: follow all electric security guidelines and be guided with the aid of your usual sense. And of course, the manual that comes along with your new bath fan.  

Bathroom Exhaust Fan Installation: 13 Important Questions You Need To Ask turned into final modified: December 10th, 2020 with the aid of Ramona Sinha