How much does it cost to install a bathroom fan? or Fan light combo?

How much does it cost to install a bathroom fan? or Fan light combo?

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$150 – $550 existing bathroom fan replacement cost

$250 – $950 new bathroom fan installation cost

Bathroom exhaust fan replacement costs $150 to $550. The cost to install a new bathroom fan is $250 to $950 to vent the fan outside through the roof or wall. Toilet extractor fan prices are $50 to $150 on average, plus hiring an electrician $100 to $800 to install. NEVER HIRING A HANDYMAN.  

Get free estimates for your project or view our cost guide below:

Bathroom exhaust fan installation cost

Bathroom exhaust fan installation costs $150 to $550 when replacing an existing fan. The cost to install a new bathroom fan is $250 to $950 to vent outside through the wall or roof. The bathroom extractor fan itself costs $20 to $400, depending on the type and features.

 Bathroom exhaust fan installation cost - chart

Bathroom exhaust fan installation cost
Installation type Average cost*
Replacement $150 – $550
New installation $250 – $950

 

Average cost to install a bathroom exhaust fan

The following table shows the average cost to replace a bathroom exhaust fan.

Bathroom exhaust fan installation cost - chart

 

Bathroom exhaust fan installation cost
Installation type Average cost*
Replacement $150 – $550
New installation $250 – $950

 

Average cost to install a bathroom exhaust fan

The following table shows the average cost to replace a bathroom exhaust fan.

Average cost to install a bathroom fan - chart

Average cost to install a bathroom fan
National average cost $360
Minimum cost $100
Maximum cost $1,000
Average range $150 to $550

 

Bathroom exhaust fan with light installed in ceiling

New exhaust fan prices for bathroom

A new exhaust fan for a bathroom costs $20 to $400 before labor, depending on the type and features.

  • A basic toilet exhaust fan costs $20 to $50.

  • A high-end, EnergyStar-rated bathroom exhaust fan with lights, motion and humidity sensors, and adjustable speed costs $200 to $400.

New exhaust fan prices
Type Average fan cost
Adjustable speed fan $90 – $380
Basic - fan only $20 – $50
Ceiling-mounted fan $20 – $400
Continuous run fan $120 – $330
Exterior fan $150 – $335
Fan with Bluetooth $75 – $190
Fan with heater $90 – $280
Fan with humidity or motion sensing $100 – $400
Fan with light fixture $40 – $330
Fan with light and heater $50 – $365
Fan with timer $95 – $295
Inline fan $100 – $310
Wall-mounted fan $20 – $345

 

New bathroom exhaust fan installed through ceiling

Bathroom extractor fan prices by sones rating

Fan sound levels are measured in sones. The higher the sones rating, the louder the fan. Quieter bathroom ventilation fans cost more.

Bathroom extractor fan prices by sones rating
Sones rating Loudness Average cost
Below 1.5 Quiet $40 – $400
1.5 – 3.0 Moderate $35 – $300
Above 3.0 Loud $20 – $250

*Not including installation labor.

Straight and smooth ductwork minimize fan noise.

Bathroom exhaust fan cost by room size & CFMs

Bathroom extractor fans need at least one cubic foot per minute (CFM) for each square foot of bathroom floor space.

For bathrooms over 100 square feet:

  • Add 50 CFM per toilet, bath, shower, or combination.

  • Add 100 CFM for whirlpools.

Exhaust fan cost by room size
Room size (square feet) CFMs needed Average fan cost
Under 79 50 – 80 $20 – $250
80 – 99 80 – 99 $50 – $325
100 – 149 100 – 149 $55 – $400
Over 150 150+ $100 – $400

 

Cost breakdown to install a bathroom fan

The cost to install a bathroom fan costs $200 to $800 in labor alone and requires electrical wiring, ductwork, venting, and sometimes roof work.

  • Most electricians and handymen charge $40 to $100 per hour to install bathroom fans.

  • Bathroom fan installation takes 4 to 8 hours.

Cost to install a bathroom fan
Type Average cost
New bathroom exhaust fan unit $50 – $150
Labor and installation cost $200 – $800
Total cost to install $250 – $950

 

Cost factors include the fan type, bathroom location, outside vent location, existing wiring conditions, and overall complexity.

installing bathroom fan that vents through roof

 

Bathroom vent installation cost

New air ducts may be required to provide vent access to the outside. Ductwork installation costs $50 to $150 on average for a bathroom vent.

  • Bathroom fans must vent to the outside through a sidewall, roof, or behind a gable or soffit.

  • Connecting ducting to an existing roof or wall vent is possible but may cause airflow and condensation problems inside the home due to back drafting.

  • Bathroom fans typically come with 3", 4", or 6" duct sizing.

Cost to install bathroom exhaust fan through roof

The average cost to install a bathroom exhaust fan through the roof is $350 to $950, plus permit fees. The cost depends on the bathroom location, accessibility, and roof type. Avoid roof venting when possible because it's more prone to leaks than sidewall venting.

Installing a ridge roof vent costs $7 to $15 per linear foot or $350 and $600 on average.

Avoid roof venting when possible because it's more prone to leaks than sidewall venting.

Venting a bathroom fan through the wall costs $250 to $800 for new installation. Pricing depends on the distance from the bathroom to the outside wall, existing electrical wiring, fan type, and exterior siding material.

Cost to replace a bathroom fan

Bathroom fan replacement costs $150 to $550. Homeowners should replace bathroom vent fans every 10 years.

  • Fan and vent installers charge $50 to $100 per hour for labor, and replacement takes 2 to 3 hours.

  • Wiring a new switch costs $100 to $250 more.

Bathroom fan replacement cost
Item Average cost
New fan $50 – $150
Replacement labor $100 – $400
Total replacement cost

$150 – $550

 

For no-cut installation, choose a new ceiling fan with the same dimensions as the old fan.

High-end, smart bathroom fan installed with light and sensors

 

Bathroom exhaust fan FAQs

What are bathroom fans for?

Bathroom fans pull moisture from the air. Reduced humidity levels prevent moisture damage, paint and wallpaper peeling, and mold and mildew growth. Fresh air from bathroom fans also removes odors. Drier air also keeps mirrors from fogging, windows and doors from warping, and fixtures from rusting.

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