How long does it take to install a bathroom exhaust fan?

Author: Dr. General Rohan III  |  Last update: Wednesday, August 13, 2025

It really depends on your skills and experience, but typically, replacing a bathroom fan is a long process. It requires electrical knowledge and some general DIY-know-how, so be sure not to underestimate the task. Generally, it will take about two hours to remove the fan and another two or three to replace it.

Is it hard to install a bathroom exhaust fan?

In my experience, it is not particularly difficult to change out an exhaust fan. You mount the thing, connect it to the electrical, and connect it to the duct work.

What is the labor cost to install a bathroom exhaust fan?

Labor costs range between $200 and $800 for a bathroom fan installation. The labor costs range because you may also need electrical work, ductwork, venting, and sometimes roofing. Hiring to install a bathroom fan means you'll likely need to call a handyperson or an electrician and HVAC professionals.

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

Yes, you should hire a licensed electrician for installing new wiring and a switch for a bathroom ceiling vent. It ensures safety and compliance with building regulations.

Who installs a new bathroom exhaust fan?

A general contractor is a great option for installing a bathroom exhaust fan because they're skilled in all home renovation projects. Even though they might specialize in something other than electrical or HVAC work, they can ensure everything gets done correctly and coordinate the installation smoothly.

How to Replace and Install a Bathroom Exhaust Fan

How long does it take to install a new bathroom exhaust fan?

It really depends on your skills and experience, but typically, replacing a bathroom fan is a long process. It requires electrical knowledge and some general DIY-know-how, so be sure not to underestimate the task. Generally, it will take about two hours to remove the fan and another two or three to replace it.

Can a handyman install an exhaust fan?

If you want to install a bathroom fan, you should call a handyperson first. They usually have the experience and expertise needed to install or replace a bathroom vent fan. Some handypersons will do all the work themselves.

Who is the best person to install a bathroom exhaust fan?

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

What is the life expectancy of a bathroom exhaust fan?

Even if you have fans already set up, it's important to keep in mind that they won't last forever. Typically, bathroom exhaust fans have a lifespan of about 10 years, provided they receive proper care and maintenance.

Does code require an exhaust fan in a bathroom?

All municipalities have different requirements, but some do not draw a hard line on requiring exhaust fans. Bathroom ventilation is needed in those areas, but it can be from a window or fan—you choose. Building code is a model code that each community can adopt and adapt according to its needs.

Is a bathroom exhaust fan worth it?

Without proper ventilation, this moisture can lead to mold and mildew growth, peeling paint, damaged wallpaper and warped walls and cabinetry. An appropriately sized and installed bathroom exhaust fan will remove the moist air and prevent these problems.

Do plumbers fix bathroom fans?

Before searching online for “bathroom vent installation near me,” know that a licensed electrician, plumber, or HVAC technician can likely replace an existing exhaust fan or install a new one in a bathroom.

How big of an exhaust fan do I need for my bathroom?

Ventilation rates based upon eight air changes per hour are generally suggested. For most bathrooms this works out to one CFM per square foot of bathroom area. For example, a 7' x 10' bathroom would require a 70 CFM fan. A 50 CFM rating is recommended as a minimum for bathrooms 50 sq.

Is it OK to not have an exhaust fan in a bathroom?

It should include a sink, vanity, lighting fixtures, faucet, mirror, toilet, shower, and exhaust fan. The exhaust fan is often seen as a “nice-to-have” when it comes to bathrooms. However, in reality, that couldn't be further from the truth. To keep your bathroom clean and hygienic, an exhaust fan is an absolute must.

Should I caulk around the bathroom exhaust fan?

After the fan is installed, air seal with caulk between the fan housing and drywall from the room side before installing the trim.

Is it OK to leave a bathroom fan on all night?

The bathroom exhaust fan can be dangerous if you use it excessively. If the air is not properly ventilated, it can lead to an explosion. The fumes from the combustion process can be explosive, so proper ventilation is necessary. Bathroom exhaust fans should be used only when needed.

How long does it take to replace a bathroom exhaust fan?

If your bathroom exhaust fan isn't working, is too loud, or doesn't move air well enough, it might be time to replace it. You can replace a bathroom exhaust fan in a couple of hours for $50 to $150.

Do bathroom exhaust fans use a lot of electricity?

Energy Consumption Comparison

– An average small bathroom fan, when running continuously for 24 hours, typically consumes around 5 to 10 watts of electricity. – To put this in perspective, a standard incandescent light bulb (60 watts) consumes roughly 5 times more energy per hour than a small bathroom fan.

Where do most bathroom fans vent to?

Even though it is imperative to get bathroom moisture, etc. to the home's exterior, you might be shocked to find out that in a large percentage of people's homes, the bathroom fan is vented directly into the attic.

Will a bathroom exhaust fan cool a room?

Using bathroom fans to vent the hot air that gathers near the ceiling can help keep things cooler. For those with a second story, this can really help keep the upper floor cooler. I turn on my bathroom fans upstairs in the early evening hours. This helps vent the built-up heat of the day.

Can I replace a bathroom fan myself?

You might be surprised to learn that installing or replacing a bathroom exhaust fan is a moderately easy DIY project. All you need are the right tools, basic electrical and carpentry skills, and a little patience.

How much does an electrician charge to replace a bathroom fan?

Bathroom Fan Replacement Installation Costs

The cost to hire an electrician is $40 to $100 per hour. For a simple, direct fan swap that requires no wiring changes, cutting, or ductwork, expect to pay up to two hours of labor, or $80 to $200, including time for the pro to clean up.

How much does it cost to have someone install a fan?

Installation with existing wiring

The cost of an electrician per hour varies in different areas, but the average ceiling fan installation cost ranges from $60 to $250.

Do you need an electrician to install an exhaust fan?

It's particularly important to rely on professional electricians when installing a bathroom exhaust fan because the high moisture levels in bathrooms require precise wiring to avoid short circuits and water intrusion. Plus, in many cities, bathroom exhaust fan installations need to meet local building codes.

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