Kitchen and bathroom remodel costs depend on your project and location. Check with a local pro for your specific job.
Bathroom fan installation averages $396, with projects ranging from $119 to $900 depending on your bathroom size and fan type.
The type of fan you choose and the square footage of your bathroom determine the CFM rating and overall project complexity.
Account for duct and vent installation costs ranging from $250 to $950 and permits between $10 and $500 when creating your budget.
Hiring a local bathroom fan installation professional prevents electrical hazards and moisture buildup while ensuring code compliance and proper ventilation.
Have you ever stepped out of the shower into a steam-filled bathroom? While relaxing, lack of ventilation and excess moisture can damage your bathroom—that’s where a vent fan comes in. The average bathroom fan installation costs $396, but projects range between $119 and $900.
A working bathroom fan helps avoid potential issues like mold and mildew buildup, peeling paint, wood rot, loosened tiles, and structural damage. Here’s what you need to know about budgeting for your new vent fan and how a bathroom fan installer can help you get it done.
If you’re trying to figure out how to choose a bathroom exhaust fan, here are the main cost factors you should know about.
The bigger your bathroom, the more powerful your fan needs to be. First, find out the square footage of your bathroom. You can do this by multiplying the length of the room by the width.
Once you know the square footage of your bathroom, figure out which size of fan you need to buy. Bathroom fans are rated by cubic feet per minute, or CFM. This number tells you how quickly the fan can move the air around per cubic foot.
Use the table below to figure out the CFM rating you should look for. A good rule of thumb is 1 CFM for every square foot.
| CFM Rating | Bathroom Square Footage | Average Bathroom Fan Cost |
|---|---|---|
| 80 or less | 40–80 | $20–$250 |
| 80–99 | 80–100 | $50–$325 |
| 100–150 | 100–150 | $55–$400 |
| 150+ | 150+ | $100–$500+ |
Most bathrooms only require one fan. However, if you have a very large bathroom, then you might need multiple fans. In this case, add 50 CFM for each tub, toilet, or shower, and another 100 CFM for a jetted tub.
For example, if your bathroom is over 150 square feet and you have a toilet, a shower, and a jetted tub, you’d need 350 CFM total. You could opt for a single high-powered fan that can handle up to 390 CFM, or you could go with a couple of smaller fans.
Fans that are rated 390 CFM cost about $340, while 530+ CFM fans cost around $540. On the other hand, getting a couple of 150 CFM fans could run you $200 to $1,000. So it’s best to do some comparison shopping before making a decision.
The type of bathroom fan can significantly affect the final cost of your installation. Generally, fans with features like lights, heaters, and motion sensing will cost more. Here are the most common ones you’ll find.
| Fan Type | Average Cost Range |
|---|---|
| Basic fan | $20–$50 |
| Wall-mounted | $20–$350 |
| Ceiling-mounted | $20–$400 |
| Inline | $100–$310 |
| Fan with light | $40–$330 |
| Fan with heater | $90–$280 |
| Fan with timer | $100–$300 |
| Fan with light and heater | $50–$370 |
| Adjustable speed | $90–$380 |
| Continuous run | $120–$330 |
| Smart fan | $75–$190 |
| Humidity or motion sensing | $100–$400 |
We all know that bathroom fans make noise, but did you know that certain fans are less noisy? You can check the sones rating of your fan to find out how loud you can expect it to be. The lower the sones rating, the quieter it’ll be and the more the fan will cost.
| Sones Rating | Average Bathroom Fan Cost |
|---|---|
| Less than 1 | $70–$350+ |
| 1 | $20–$200 |
| 2 | $20–$90 |
| 3 | $20–$60 |
| 4+ | $20–$50 |
Labor costs for installing a bathroom fan range between $200 and $800. The labor costs vary because electrical work, ductwork, venting, and roofing may also be needed. Hiring a pro to install a bathroom fan means you’ll likely need to call a handyperson, an electrician, or HVAC professionals.
Check with your local offices to find out which permits you need and how much the permits cost. If you’re installing a brand new fan for the first time, you’ll likely need multiple permits.
HVAC permits cost $250 to $400 on average, and roofing permits for bathroom fan projects cost $70 to $250. Additionally, electrical permits cost anywhere between $10 and $500.
There are lots of different fan types to choose from. The type you choose will have the greatest impact on your costs.
Wall-mounted bathroom fans cost $20 to $350. Note that there are many wall-mounted fans that can also be ceiling-mounted, too. Check the manufacturer’s instructions.
Ceiling-mounted fans are usually the most common option. These will run you $20 to $400. If you have a choice, it’s likely best to install your fan on the ceiling because it will provide the best ventilation.
Compared to wall-mounted or ceiling-mounted fans, inline fans are more effective. This comes at a slightly higher cost as these types range between $100 to $310. These fans are installed right onto your ductwork and pull all of the moist air from your bathroom and push it outside.
You may be getting closer to figuring out what you need for your bathroom, but don’t forget these important additional costs to consider when planning a bathroom fan installation.
A new bathroom fan installation costs considerably more than a simple replacement. If you just need an old one replaced, expect to pay for the fan cost and $100 to $400 in labor.
For brand new fans, you’ll need to account for the fan cost and $200 to $800 in labor.
Most fan installers include the cost of the removal and disposal of your old fan. If you’re doing the job yourself, check with your trash company to see if they take old fans or not. In some areas, you’ll need to take your fan to a local recycling center. Usually, it’s free to drop a fan off for recycling.
Electricians charge $50 to $100 per hour on average, so expect to pay this hourly rate for the necessary electrical work for your bathroom fan. The amount of work necessary will depend on the existing wiring and the type of fan you choose. Typically, electrical is included in the labor estimate of $200 to $800 for a new fan.
It’s best to install brand-new vents and ductwork for your fan, rather than tap into an existing one. This will help you avoid moisture buildup.
Your bathroom vent costs will depend on whether you opt for a wall or roof installation. A wall installation costs $250 to $800, while a roof installation costs a little more, ranging between $350 and $950.
You can install any fan with a wall or roof installation, and the choice you make will depend on your house layout and preferences. In most cases, the best option is to vent through the roof since hot air rises (just like it’s usually the best bet to install a ceiling-mounted fan rather than a wall-mounted one).
For roof bathroom fan venting options, you’ll need to install the ductwork in your attic. The pro will then cut out a hole in your roof and install a roof vent cap. Once everything is set up properly, all of the moist air from your bathroom will travel to the outside via your fan.
If the HVAC cannot be installed through an attic space, you can install the vent on an external wall.
New fans cost about $200 to $800 to install, and this figure includes duct and vent installation.
The easiest way to save on bathroom fan installation is by choosing the fan that best fits your budget. Since there are fans that are in the $20 range all the way up to hundreds of dollars, you should consider which features you need.
Just make sure to buy the fan with the right CFM rating for your bathroom. Cutting corners here could mean your bathroom doesn’t ventilate properly. Whether it feels unpleasantly stuffy or leads to mold growth, you’ll want to avoid these potential problems as they can be costly to fix.
Additionally, you get quotes from at least three exhaust fan installers so you can compare different companies’ services. Check all of the details to thoroughly understand all of the fees.
Learning how to install a bathroom fan isn’t for beginner DIYers, since it requires a wide range of skills and knowledge in electrical and HVAC systems. Even for experienced DIYers, it’s usually best to replace existing fans rather than install a new one from scratch.
It’s always best to call a local bathroom fan installer. They’ll help get the job done so you can get back to taking long showers without worrying about mildew or mold growth.
Installing a bathroom fan isn’t a simple DIY task. Here’s why it’s best to hire an experienced pro:
Hiring a pro ensures your bathroom fan is installed safely, efficiently, and in compliance with local building codes.
DIY installations can lead to electrical hazards, poor ventilation, and costly damage.
Bathroom fan pros know how to handle tasks like wiring, ducting, and mounting.
Professionals know how to prevent common problems like improper venting, moisture buildup, and mold growth.
Professionally installed bathroom fans improve airflow, reduce humidity, and protect your home from moisture issues.
If you want to participate in the fan installation process, focus on smaller tasks such as:
Clearing decor, rugs, and accessories from your bathroom to provide your pro with easy access
Helping to measure or mark the ceiling for proper placement
Holding or passing tools and parts to your installer
Cleaning up dust, debris, and packaging after installation
Be ready to discuss with a pro which type of fan—wall-mounted, ceiling-mounted, or inline—will fit your budget.
Provide your pro with the size of your bathroom and the location of your fan.
Let your pro know about any existing fans or light fixtures that require removal.
Discuss any electrical concerns or moisture issues before installation begins.
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We’ve surveyed thousands of real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
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