10 Best Bathroom Exhaust Fans Under $100 in 2026 for Quieter, Drier Bathrooms

A good bathroom exhaust fan removes humid air before it turns into lingering odors, peeling paint, or mold-friendly moisture. You do not have to spend a fortune to find a capable model, but airflow, noise, installation requirements, and controls vary widely.

We selected 10 affordable bathroom exhaust fans with options ranging from compact 50 CFM units to stronger 110 CFM models, plus quiet fans, humidity-sensing controls, integrated LED lighting, and retrofit-friendly designs.

Best 10 Bathroom Exhaust Fans Under 100 Picks for 2026

Flexible Airflow Pick – Panasonic WhisperValue 50-80-100 CFM

For shoppers comparing bathroom exhaust fans under 100, the Panasonic FV-0510VS1 stands out for its selectable 50, 80, or 100 CFM airflow. Its ECM motor, ceiling or multi-mount installation, and 0.3-, 0.4-, and 0.9-sone settings make it adaptable to different bathroom ventilation needs.

Best For: Households that want adjustable airflow and a quiet, flexible installation option.

Pros:

• Pick-A-Flow selector provides 50, 80, or 100 CFM.
• Offers multiple noise levels, down to 0.3 sones.
• ENERGY STAR certified and backed by a six-year motor warranty.
• Includes an L-shaped mounting bracket and supports multi-mount installation.

Cons:

• It is a fan-only model with no built-in light listed.
• Airflow selection requires manual adjustment rather than automatic humidity sensing.

The Panasonic is a strong choice when you want control over ventilation rather than a single fixed speed. Its adjustable settings and long motor warranty add value for a range of bathroom sizes and installation situations.

Retrofit-Friendly Choice – KAZE SNP100 100 CFM Exhaust Fan

Among bathroom exhaust fans under 100, the KAZE SNP100 is a practical replacement option for bathrooms up to 100 square feet. It delivers 100 CFM at 0.8 sones and can be installed from the room side without attic access, which is useful for retrofit projects.

Best For: Replacement installations where quiet 100 CFM ventilation and room-side access matter.

Pros:

• Provides 100 CFM airflow at a relatively quiet 0.8 sones.
• Designed for installation without attic access.
• HVI and ENERGY STAR certified, with ETL listing.
• Includes a removable blower assembly and three-year manufacturer warranty.

Cons:

• Uses a single speed rather than selectable airflow levels.
• Requires a 9.5-by-9.5-inch ceiling opening and a 4-inch duct.
• Designed for ceiling installation only.

The SNP100 focuses on straightforward, dependable ventilation. Its retrofit-friendly design and room-side service access can simplify replacement work, while the 100 CFM rating suits many small to medium bathrooms.

Lighted Value Option – AHAWILL 100 CFM Fan with LED Light

If you are shopping for bathroom exhaust fans under 100 and also need lighting, the AHAWILL combines 100 CFM ventilation with a built-in 1000-lumen LED. Its 5CCT color selection and dimming range add lighting flexibility while the 0.9-sone fan helps remove moisture and odors.

Best For: Bathrooms needing both ceiling ventilation and adjustable integrated lighting.

Pros:

• Combines 100 CFM airflow with a 1000-lumen LED light.
• Offers five color temperatures from 2700K to 5000K.
• LED brightness adjusts from 10% to 100%.
• Fits a stated 9.6-by-9.6-inch ceiling opening and uses a 4-inch duct.

Cons:

• Provides one CFM setting rather than adjustable fan speeds.
• Its larger cover measures 12 by 12 inches, so fit should be checked carefully.
• The supplied notes list ETL and FCC certification but not ENERGY STAR certification.

The AHAWILL is best viewed as a space-saving fan-and-light combination. It can reduce the need for separate fixtures, but confirm the ceiling opening and electrical setup before installation.

Smart Humidity Control – VIVOHOME 110 CFM Auto Fan

For buyers comparing bathroom exhaust fans under 100, the VIVOHOME adds automatic humidity control to a higher-output 110 CFM design. Its sensor turns the fan on at 55% humidity and off at 50%, while constant-airflow technology is designed to maintain performance as duct resistance changes.

Best For: Small to medium bathrooms where automatic humidity-triggered ventilation is more useful than built-in lighting.

Pros:

• Humidity mode automatically starts at 55% and stops at 50%.
• Delivers 110 CFM for spaces up to 129 square feet, according to the supplied notes.
• Brushless EC motor and constant-airflow technology support efficient operation.
• Includes a duct, exterior vent, power cord, backdraft damper, and installation template.

Cons:

• It is a fan-only unit with no light.
• Noise is rated at 1 sone, slightly higher than some alternatives listed here.
• Its one-year warranty is shorter than the Panasonic and KAZE warranties.

The VIVOHOME is the most automation-focused option in this group. The humidity sensor can reduce the need to remember switching the fan on, though its 110 CFM capacity and 10.2-by-10.2-inch opening requirement should be checked against local installation needs.

Best Retrofit Pick – Broan-NuTone 80 CFM Fan with LED Light

For bathroom exhaust fans under 100, the Broan-NuTone BEL8 is a practical choice when you need ventilation and ceiling lighting in one unit. It moves 80 CFM, operates at a quiet 1.5 sones, and is designed for room-side retrofit installation without attic access or drywall cutting.

Best For: Retrofitting smaller bathrooms up to 75 square feet, especially where attic access is limited.

Pros:

• ENERGY STAR certified and designed to use about 50% less energy than standard bath fans.
• Integrated 3500K LED light is rated for up to 50,000 hours.
• Quiet 1.5-sones operation helps reduce shower moisture and odors.
• CleanCover grille and Slideclip attachment simplify installation and cleaning.

Cons:

• Its 80 CFM rating is intended for rooms up to 75 square feet, so it may be undersized for larger bathrooms.
• It has one speed and does not include adjustable lighting color temperatures.

This model stands out for straightforward room-side installation, efficient operation, and an integrated light. Choose it when retrofit convenience matters more than maximum airflow.

Best High-Airflow Value – Amico 110 CFM Quiet Bathroom Fan

Among bathroom exhaust fans under 100, the Amico 110 CFM model focuses on strong ventilation without adding a light. Its 1.0-sones motor is designed to remove steam, moisture, and stuffy air from bathrooms of about 100 square feet.

Best For: Medium-size bathrooms where higher airflow and quiet operation are priorities.

Pros:

• 110 CFM airflow is recommended for bathrooms around 100 square feet.
• Quiet 1.0-sones operation minimizes noise disruption.
• Includes mounting brackets for installation between ceiling joists or direct attachment to a joist.
• ETL and FCC listed, with a three-year warranty.

Cons:

• This version does not include a light.
• It uses a 4-inch duct, so existing 3-inch ductwork may require a reducer.
• Installation is hardwired rather than a plug-in setup.

With more airflow than many compact fans and a quiet 1.0-sones rating, the Amico is a sensible ventilation-first option. Confirm your duct size and plan for separate bathroom lighting if needed.

Best Lighting Features – Fitop 100 CFM Fan with LED Light

The Fitop combines 100 CFM ventilation with a flexible LED light, making it a versatile contender among bathroom exhaust fans under 100. It offers 1.0-sones operation, selectable 2700K, 4000K, and 6500K lighting, plus a soft night-light mode.

Best For: Bathrooms from roughly 50 to 100 square feet where adjustable lighting and quiet ventilation are useful.

Pros:

• 100 CFM airflow helps remove steam, humidity, and odors.
• Quiet 1.0-sones operation supports a calmer bathroom environment.
• 1300-lumen LED offers three color temperatures and a night-light mode.
• Designed for standard 8.8-by-8.8-inch ceiling openings and 4-inch ducts, with no-attic-access installation.

Cons:

• Ceiling opening dimensions should be confirmed before installation.
• Lighting modes are controlled through the wall switch, which may require cycling settings.
• The product dimensions are larger than the stated ceiling opening, so installation clearance should be checked.

Fitop is a strong choice when the light matters nearly as much as the fan. Its adjustable color temperatures, night light, memory function, and quiet 100 CFM ventilation give it more flexibility than a basic fan-light combination.

Quiet High-Airflow Pick – GROWNEER 110 CFM Bathroom Exhaust Fan

For shoppers comparing bathroom exhaust fans under 100, the GROWNEER stands out with 110 CFM of airflow and a quiet 1.0-sone operation. It is designed for bathrooms up to 100 square feet and can be ceiling- or wall-mounted without requiring attic access.

Best For: Larger bathrooms where strong, quiet ventilation is a priority.

Pros:

• 110 CFM airflow supports rooms up to 100 square feet.
• 1.0-sone operation is approximately as quiet as a whisper.
• Attic-access-free installation and compatibility with a 4-inch duct.
• Can be mounted on the ceiling or wall.

Cons:

• Requires a 7.68 x 9.25-inch ceiling opening.
• Has a single power level and no integrated light.

With its high airflow rating and quiet operation, this GROWNEER model is a practical choice when you want more ventilation capacity than many compact bathroom fans provide.

Compact Budget Pick – Broan-NuTone 50 CFM Energy Star Fan

Among bathroom exhaust fans under 100, this Broan-NuTone model is suited to smaller spaces that need straightforward moisture and odor ventilation. Its 50 CFM rating covers bathrooms up to 45 square feet, while the Energy Star certification supports efficient operation.

Best For: Small bathrooms and powder rooms where compact, efficient ventilation matters.

Pros:

• 50 CFM airflow is rated for bathrooms up to 45 square feet.
• Energy Star certified for efficient operation.
• Foldable mounting brackets support no-cut installation without attic access.
• Modern white grille blends with common ceiling paint.

Cons:

• 2.0-sones operation is louder than the 1.0-sone alternatives in this roundup.
• Designed for smaller rooms and uses a 3-inch duct.

This Broan-NuTone is a sensible option for a compact bathroom, especially if you value a recognized brand, Energy Star certification, and a simplified installation design.

Balanced Quiet Choice – Amico 80 CFM Bathroom Exhaust Fan

For anyone comparing bathroom exhaust fans under 100, the Amico offers a middle ground between compact capacity and strong ventilation. Its 80 CFM airflow is recommended for bathrooms up to 80 square feet, and its 1.0-sone operation helps keep noise to a minimum.

Best For: Medium-sized bathrooms needing quiet, reliable moisture removal.

Pros:

• 80 CFM airflow is recommended for bathrooms up to 80 square feet.
• Quiet 1.0-sone operation minimizes disruption.
• Includes mounting brackets for installation between ceiling joists or directly to a joist.
• UL listed and backed by a three-year warranty.

Cons:

• Designed for a 4-inch duct, so existing 3-inch ductwork may need a reducer.
• Has one speed and is intended for ceiling mounting.

The Amico is a well-balanced pick if your bathroom is larger than a small powder room but you still want quiet operation and a relatively straightforward ceiling installation.

How We Picked the Best Bathroom Exhaust Fans Under 100

We focused on models that offer useful performance and practical features at an accessible price. Our comparison considers rated airflow, advertised noise levels, installation flexibility, lighting and control options, energy-conscious design, and whether the fan is suitable for ceiling, wall, or retrofit installation.

Because bathroom size and duct layout affect real-world results, specifications should be treated as a starting point rather than a guarantee. A properly sized fan with a short, correctly vented duct run will generally outperform a higher-rated fan installed poorly.

Quick Comparison

What to Compare	What It Means	Best For
50–80 CFM	Moderate airflow for smaller bathrooms	Powder rooms and compact full baths
100–110 CFM	Stronger moisture and odor removal	Larger bathrooms or weaker duct runs
Under 1.5 sones	Quieter operation	Bedrooms nearby or noise-sensitive households
LED light	Combines ventilation and illumination	Replacing a ceiling light and fan together
Humidity sensor	Automatically starts when moisture rises	Hands-off ventilation
Retrofit or no-attic-access design	May simplify replacement from the room side	Finished ceilings and remodeling projects

Key Buying Factors for Bathroom Exhaust Fans Under 100

Airflow and Bathroom Size

CFM measures how much air the fan can move. Smaller bathrooms may work well with 50 to 80 CFM, while larger spaces or bathrooms with showers often benefit from 100 CFM or more. Follow local code and manufacturer sizing guidance, especially for long or complicated duct routes.

Noise Rating

Sones indicate perceived loudness: lower is quieter. Models around 1.0 sone or below are a strong choice when the bathroom is next to a bedroom, while a 1.5- to 2.0-sone fan can still be reasonable for many households.

Installation and Duct Compatibility

Check the housing dimensions, ceiling opening, duct diameter, mounting method, and access requirements before buying. Retrofit-oriented models can reduce ceiling work, but existing wiring and ductwork still need to match. Always vent outdoors rather than into an attic or wall cavity.

Controls, Lighting, and Electrical Needs

Humidity sensors can automate operation, while integrated LED lights save ceiling space. Confirm whether the fan requires separate switches, additional wiring, a compatible dimmer, or a dedicated circuit. Electrical work should follow local requirements and be handled by a qualified professional when necessary.

Who Should Buy Which Bathroom Exhaust Fans Under 100?

• For a small bathroom: Choose a compact 50–80 CFM model with a moderate noise rating.
• For stronger moisture control: Look at 100–110 CFM options, particularly for larger bathrooms or frequent showers.
• For quiet operation: Prioritize models rated around 1.0 sone or lower.
• For automatic ventilation: Choose a humidity-sensing fan, but verify that its controls fit your wiring setup.
• For a combined light and fan: Select an integrated LED model and confirm its ceiling opening and switch requirements.
• For remodeling without attic access: Focus on retrofit or room-side installation designs, while confirming duct and housing compatibility first.

The best bathroom exhaust fan under $100 is the one that matches your room size, ductwork, noise tolerance, and installation constraints. Prioritize proper venting and fit over headline airflow alone.