7 Best Bathroom Exhaust Fans with Humidity Sensor – Top Choices for 2020

A musty smell? Mold or mildew? Or splitting of laminated plywood vanities in your bathroom?

Then, a bath fan with a humidity sensor is a great way to automatically remove moisture from your bath spaces and keep these issues in check.

If you've landed this page, you're probably trying to find out the best bathroom exhaust fans with humidity sensor.

And if that's the case, then this humidity sensing bathroom fan reviews can help you!

Image

Product Name

Style

Air Delivery Rate

Noise Level (sones)

Price

Panasonic FV-0511VQC1 WhisperSense

Panasonic FV-0511VQC1 WhisperSense

Ventilation Fan with Motion and Humidity Sensors

50-80-100 CFM 

0.3

Delta BreezGreenBuilder GBR80HLED

Delta BreezGreenBuilder GBR80HLED

LED Light, Dual Speed Fan & Humidity Sensor

 80 CFM

0.8

Broan-Nutone QTXE110S

Broan-Nutone QTXE110S.

Ventilation Fan with Ultra-Silent Humidity-Sensing 

110 CFM  

0.7

KAZE APPLIANCE SEP120H

KAZE APPLIANCE SEP120H

Exhaust Fan with Humidity Sensor and Delay Timer 

120 CFM 

0.3

ESD Tech Exhaust Fan

ESD Tech Exhaust Fan

Fan & Light w/ Humidity Sensor 

 90 CFM

0.4

Top 7 Bathroom Exhaust Fans with Humidity Sensor Reviews

Shopping the best bathroom fan for humidity may be stressful for you. It requires exclusive research for this product before buying it for yourself.

No worry!

I've spent hours after hours researching, testing, and preparing the following shortlist to suggest you the best one.

Read along!

Panasonic FV-0511VQC1 WhisperSense

The Panasonic FV-0511VQC1 is an impressive smart vent fan. Panasonic is a widely acknowledged bestseller, and FV-0511VQC1 is a premium option to get in 2020.

Panasonic WhisperSense is a cool choice for use in the laundry room, bathroom, basement, mud room, or garage. It's very popular even though it's one of the more expensive products out there.

What makes it popular?

Panasonic FV-0511VQC1 delivers greater air-moving power as tested and verified in real-world settings. It performs beyond the minimum 0.1-inch and 0.25-inch static pressure benchmarks.

The best part of this model is its WhisperSense DC precision spot ventilation. The dual-sensor technology for motion and moisture automatically turn on while the humidity level is high. On the other hand, it shuts off when the indoor moisture level is low.

Conveniently, it includes a Speed Selector Switch that allows you to choose the fan speed from 50, 80 and 110 CFM.

The noise level of this device is less than 0.3 sones that means it operates as quiet as a whisper. 

Long-life Guaranteed!

Yes, you've heard that right!

This Energy Star Certified device uses less energy to move larger volumes of air. Ultimately, less energy leads to less overheating and motor failure. That means, it'll save you on maintenance cost.

Moreover, the company offers 6-year warranty on motor and 3-year warranty on parts that will bring you extra peace of mind.

The only drawback is that it's one of the more expensive options available. If you can afford it, however, We recommend you invest in this best humidity sensing bathroom fan.

All in all, its thoughtful design and features make it ideal to invest in while still doing its job and giving you the peace of mind you deserve.

Pros

  • Automatic moisture and odor control
  • Pick-a-flow speed selector to select required airflow
  • ECM motor with Smartflow technology for optimum CFM output
  • Flex-Z Fast bracket for flexible, fast and trouble-free installation
  • Elegant grille design to compliment the aesthetics of any room
  • Well-built and long Lasting

Cons

  • No light included
  •  Somewhat expensive

Delta BreezGreenBuilder GBR80HLED

Delta BreezGreenBuilder comes with "green construction."

Are you wondering "what does this mean"? Okay, let me clear it to you.

The DELTA ELECTRONICS (AMERICAS) LTD. is a renowned brand for its energy-efficient ventilation fans. And with the GBR80HLED, they prove their excellence in this regard once again.

GBR80HLED offers market-leading energy efficiency. It’s one of the best bathroom extractor fan with an efficient cost-saving operation. Thanks to its exceptional low power consumption.

While this offers an 80-CFM rating, it only uses up 13 watts. That means its energy efficiency is astounding to ventilate spaces up to 80 sq. ft.

But this is not the end.

The proper insulation around the fan helps to minimize building heat loss and gain.

As far as the light goes, it's bright enough to light a toilet room. Moreover, the dimmable LED Light option adds to its ultra-energy-efficiency.

GBR80HLED also benefits from dual speed control and an adjustable humidity sensing option. You can choose whether it stops completely or stays running at the slow speed if the humidity level drops below a set point.

It runs at 80 CFM when humidity level is above the user- set percent. On the other hand, if the humidity dips below this set percent, the fan runs at around 0 to 50 CFM to save energy.

This fan will outlast many household appliances. Thanks to its precision-engineered DC brushless motor and galvanized steel construction.

Moreover, the quiet "soft start" process of this model helps minimize the wear on the motor bearings to prolong the device life. Of course, the fan impeller will stops if obstructed for a safe worry-free operation.

It's worth noting that GBR80HLED is a quieter operating device that runs at just 0.8 sones.

Overall, for improving the air quality of your bathroom Delta BreezGreenBuilder Series GBR80HLED is an excellent option.

It'll not only remove excess steam, moisture, and humidity but also illuminate your bath space. And all you’ll get at a pocket-friendly price.

Pros

  • Compact lightweight design
  • Quick and easy installation
  • Energy Star qualified
  • Quiet operation
  • Galvanized steel construction to resist corrosion
  • Attractive grille for fresh looking
  • Hanger bars included

Cons

  • The LED lights don't dim to zero output at the lowest setting.

Broan-Nutone QTXE110S

If you're looking for a budget-friendly exhaust fan with humidity sensor, don't miss Broan-Nutone QTXE110S.

110 CFM rating of this vent fan is sufficient for most bathrooms. It prevent excessive humidity and remove cooking odors, tobacco smoke in rooms up to 105 sq.ft. Thus it keeps your bath space and house smelling fresh and clean.

Broan-Nutone QTXE110S is a top-quality bathroom exhaust fan with Sensaire Technology. It's a hands-free solution to fight against humidity and mold problems.

The motor is engineered for continuous operation to provide the best performance.  It detects the rapid rise in humidity levels at ceiling where moisture level naturally rise. And the humidity sensor powers on automatically once it detects an increase in humidity level.

This feature is incredibly useful for people who are looking to avoid overheating issues. Thanks to its auto on/ off switch which is programmable from 5 to 60 minutes.

Finally, this ceiling-mounted humidity sensing fan does its jobs silently at 0.7 sones.

When it comes to durability, this unit comes with galvanized, rugged housing. The innovative design and polymeric construction adds to its long service life.

In essence, Broan-Nutone QTXE110S is an Energy Star qualified solution to today's green building requirements. With high-performance and ultra-quiet operation, this model will confidently meet your needs.

Improve your indoor air quality at an affordable price with Broan-Nutone QTXE110S.

Pros

  • Adjustable auto shut-off time from 5 to 60 minutes
  • ENERGY STAR® Certified to save power and money
  • Hanger bars included for easy, fast and universal installation
  • 6-Inch ducting for superior performance
  • Permanently lubricated motor for quiet, efficient performance

Cons

  • This model does not include a light
  • The humidity sensor isn't adjustable.

KAZE APPLIANCE SEP120H

Bathrooms that have a standard size up to 120 square feet will efficiently benefit out of this exhaust fan from KAZE APPLIANCE. The quality, performance and reliability of this thing are unbeatable.

SEP120H is designed for improved stability and reliability. It uses a sophisticated humidity sensor that responds rapidly to the increase in humidity. It also responds to humidity above a user-adjustable set percent.

Of course, it comes equipped with an auto on/off switch. That's great for hands-free operation and to maintain the desired humidity level.

Conveniently, there's an adjustable delay timer. It provides additional 5 to 30 minutes run time for the fan to complete the ventilation even if humidity level drops down. Then, it'll shut down automatically.

But what about the construction?

KAZE APPLIANCE SEP120H includes high-quality components in its construction. The 26 GA rugged galvanized steel and painted fan housing make the unit rustproof and durable.

Worry about installation?

Not to worry!  Installation of this stuff is easy, fast, and universal. You can adjust the triple point heavy-duty mounting brackets up to 24-inch joist in different types of construction.

Did we mention that it will give you trouble-free, continuous, and super-quiet operation?

The permanently lubricated motor operates at lower temperatures, thus increasing the life of the motor and bearings. It’s also one of the best quiet bathroom exhaust fans with humidity sensors. This 120 cfm rated fan operates at 0.3 sones. Can you believe that?

Pros

  • Ultra-quiet at 0.3 sones noise level
  • Built-in 6-inch round duct with backdraft damper
  • Polymeric resin grille for easy installation
  • Includes double hanger mounting bars
  • Certified by the HVI, ETL-CETL
  • ENERGY STAR qualified
  • Three-year manufacturer parts warranty

Cons

  • Resizing of existing ceiling opening may be needed if your current fan housing is smaller.

ESD Tech Exhaust Fan

ESD Tech is one of the most affordable bathroom exhaust fan available. You won't be able to find a better or similar exhaust fan with the same specs at this price range.

Don't believe it?

Okay, let's find some of its features.

First of all, the airflow releases out to an immense 90 Cubic feet per minute (CFM). So, it clears humidity from showering and bathing space up to 85 square feet.

The humidity sensor keeps the fan running until the humidity is gone. And you don't need to monitor it.

Moreover, the unit allows you to adjust the humidity levels for four different percentages: 50%, 75%, 85%, and 100%.

Secondly, you can experience the peaceful silence in your bathroom with this ultra-quiet vent fan. You'll barely hear it when it's running.

It has a very low noise level of 0.4 sones with the 6-inch duct. If you use 4-in. duct, the noise level slightly increases to just 0.8 sones.

You can install it over a tub or shower when connected to a GFCI circuit. The included four hanger bars and screws allow for the ideal positioning of your fan.

 What about certification?

The unit is fully certified for safety to pass any required inspections. The certification includes ETL listing, HVI Certifications and Title 24. Moreover, it's Energy Star Rated.

The only downside is it’s not a good option when it comes to replacing your old bath vent fan. In this case, We recommend you inline bathroom exhaust fan to replace your old traditional ceiling- mount bathroom fan.

To summarize, for its price, power, and quietness, this model is excellent. It offers outstanding value for the price!

Pros

  • Easy and flexible installation
  • Hanger Bars & Screws included
  • Fully certified for safety and energy efficiency
  • 12-Month Manufacturer Warranty

Cons

  • The light is nightlight quality
  • It’s designed for new construction only. Additional work required for remodeling.

Aero Pure Slim Fit AP120H-SL W

AP120H-SL W is a low profile humidity sensing bathroom fan with LED light. It's an elegant and efficient option for bath spaces requiring a 2-in-1 solution for ventilation and lighting needs.

This unit eliminates the excess moisture right at the source to prevent any problem caused by humidity in your bath space. The included user-adjustable sensor reads the humidity level of the room and responds to the increase in humidity above your set point.

The automatic humidity sensor takes the guesswork out of when to OFF the switch or how long to run the fan. Conveniently, it turns the fan off automatically when the humidity falls below the pre-programmed level.

Aero Pure AP120H-SL W is an energy-efficient option. It comes equipped with 10 W 3000 K LED light that provides warm natural light to meet your bathroom lighting needs.

This stuff runs at low noise level- just 0.7 sones. The ball-bearing motor is permanently lubricated to ensure ultra-quiet operation and longer service life.

This model is designed to fit 2" x 6" shallow construction or larger. The 4-in. to 6-in. detachable duct connector makes duct layout easier. Moreover, it's approved and safe for installation in a wall or insulated ceiling.

You can expand the included anti-vibration hangar brackets up to 24". It also features built-in backdraft damper to prevent outdoor air from entering the fan.

Wait, wait, and Wait! There is more.

The housing is made of galvanized steel, which is rust-proof. The flush mount grille is easy to maintain. And it's also available in oil rubbed bronze, satin nickel, and white finish to match your bathroom décor.

To sum up, Aero Pure Slim Fit 120 is an elegant design, efficient, and money saving solution to your bathroom ventilation and lighting needs!

Pros

  • Designed for recessed installation in insulated ceiling
  • ETL/cETL listed for use in tub/shower enclosure
  • Practical design and cost-effective
  • Ultra-quiet operation
  • Easy to install and maintain
  • Rust-proof and durable
  • 6 year limited warranty

Cons

  • Light isn't dimmable
  • Must be installed by a licensed professional

Air King E130DH Humidity Sensing Exhaust Bath Fan

Larger bathroom? Needs continuous ventilation?

No worry! This humidity sensing exhaust bath fan from Air King is the right choice for you. This ventilation solution is perfect to meet almost any need you might have.

The best part is its humidity sensor for automated removal of moisture and proper ventilation. The humidistat senses the moisture level. When it detects that the moisture is above the preset level, it boosts the fan to high speed.

On the other hand, when the humidity level falls below the pre-programmed setting, the fan returns to low speed. Of course, you can control the fan speed through a timer or wall control switch.

It's worth noting that the dual-speed functionality allows this unit to run continuously at low speed.

Worry about the noise level of this high-volume ventilation fan?

It produces a barely audible sound of less than 0.4 sones while operating at 130 CFM.

E130DH is easy to install. Thanks to the adjustable hanging brackets that come with it. There is a side access panel that lets you wire the fan from inside or outside of the housing. Of course, this model is UL listed for setting up over a shower or tub on a GFCI circuit.

But this is not the end!

It includes a 6-inch round zinc plated duct connector with a gasket damper that protects against re-enter of moisture. It also seals the duct or channel tube better than any other available gasket damper on the market today.

Finally, this bad boy offers you a 5-year limited warranty to ensure that you're getting a high-quality product.

Undoubtedly, you won't go wrong purchasing the high capacity extractor fan with humidity sensor and light.

Pros

  • Dual speed ventilation
  • Designed for continuous operation
  • Powerful motors for long-lasting service
  • Energy Star qualified
  • UL listed for installation
  • California Title 24 and LEED for homes compliant
  • 5-year limited warranty

Cons

  • No external indicator to show high or low speed

What is a bathroom vent fan with humidity sensor?

This type of bath fan comes equipped with humidity sensor (an electrical part that responds to the moisture in the air). Its function is similar to how a home thermostat works, except it works based on relative humidity rather than temperature.

The humidity sensor automatically activates the ventilation fan to reduce excess condensation. It runs until the moisture drops below the pre-programmed relative humidity percentage setting.

If you have a family with forgetful occupants, a humidity sensing fan is a great and cost-effective way to eliminate the moisture from your bath space automatically.

4 Benefits of Using Humidity Sensing Bathroom Fan

The main purpose of using such a device is to eliminate the humidity produced in the bath space. However, there are more benefits to using this stuff.

Odorless and good-looking bathroom

Moisture makes metal fixtures and taps rusty. It may also damage walls, and even the room foundation could collapse. The humidity sensor of vent fan measures and reports the moisture level. It lets you enjoy a soothing bath without being disgusted by the odors.

Least Chances of Micro-Organisms Growth

Too much humidity leads to condensation. It encourages the growth of molds, mildew, and these are proven to be one of the leading disease carriers. Skin irritations, allergies, and other serious health problems may occur due to excess humidity. Exhaust fans with sensors automatically control the moisture level and keep your bathroom environment healthy.

Automatic turn on/ off

Vent fan with humidity sensor controls the humidity level with automatic turn on/off feature. The AUTOMATIC SETTINGS CONTROL of this device reduces your worry about whether it is time to turn the fan on or off.

Saves the renovation cost

If you compare the cost of an exhaust fan with a humidity sensor and the maintenance charge for restoration of your damaged wall, you'll find that the difference is huge. In fact, to protect the damaged caused by excess humidity, humidity sensing vent fan is way cheaper than fixing the damages.

How to Safely Use a Bath Fans With Humidity Sensors

To reduce the risk of electric shock, fire, or injury, follow the instructions explained below:

  • Install and use this device only by following the manufacturer's instructions.
  • Before cleaning the device, off the power switch at the service panel to prevent any accident.
  • You must hire a qualified person for electrical wiring.
  • If you need to drill or cut into ceiling or wall for installing your selected model, be careful that you don't damage the electrical wiring and other hidden utilities.
  • You must vent the ducted fans to the outdoors.
  • If your selected model is designed for ceiling installation only, never attempt to mount this item in a wall.
  • To avoid motor damage and unbalanced or noisy impellers, keep construction dust, drywall spray, etc. off power unit.

Humidity Sensor Bathroom Fan Installation - Do's and Don'ts

  • Install the device away from cooling or heating sources as these may affect the humidity levels.
  • If it's a ceiling-mounted model, locate the unit within or above (GFCI protected circuit required) 5 ft. of the showerhead.
  • Install the unit by following the manufacturer's instructions for proper sensing.
  • Avoid installing the unit near the window as it may respond to the outside humidity level.

Humidity Sensor Extractor Fan Cleaning and Maintenance

For efficient and quiet operation, attractive appearance, and long service life, proper cleaning and maintenance of the device is a must.

  • To clean the unit first lower and detach the grille. Then vacuum the interior of the unit. You can use the dusting brush attachment to do this.
  • Note that the motor bearing comes permanently lubricated. So, you don't need to oil it. However, if you notice that the motor is making unusual or excessive noises, you'll need to replace the blower wheel.

Humidity Sensor Cleaning 

In general, the sensor is mounted in the grille. For the most reliable operation, you need to clean it occasionally. Follow the steps below:

  • Disconnect the power at the service panel
  • Lower and detach the grille.

Lightly vacuum to clean the sensor by using a clean toothbrush or dust cloth.

Avoid using solvent, cleaning sprays, or water near or on the sensor.

Don’t use steel scouring powders, wool pads or abrasive cloth.

Buying Guide: Choosing the Right Humidity Sensor Bathroom Exhaust Fan

These are the best extractor fans humidity sensors that are available in the marketplace these days.

But how to know which one is right for your bathroom?

We offer you a buying guide for best bath fans with humidity sensors that will be helpful to find and compare the most important features.

Coverage area/ CFM rating

For efficient results, you need to get the bathroom fan of the right size. Before purchasing such a device, you should consider the square feet the fan can efficiently cover. The higher the CFM rating, the larger the room coverage.

Buying a model with a higher CFM rating for a small bath space will be wasting your energy and money. On the other hand, units with a lower rating for a large size bathroom won't exhaust enough air, and your moisture problem may persist.

Before purchasing any model, ensure that its CFM is sufficient for your bathroom size.

Humidity Sensor Adjustments

The main factor you should consider before purchasing such a device is the humidity sensor adjustments. This feature allows the device to turn on when the humidity levels rise and are ultimately turned off when the level reduces.

Although all models may not allow you to adjust the humidity setting, it's convenient to remove the moisture from your bathroom entirely.

Fan Speed: Fixed or Adjustable?

Some fans have fixed speeds, whereas some models let you control the fan speed. There are many models available that offer dual-speed with a low and high-speed setting.

Don't forget to check the specs of your selected device to see if it has this option

Noise Level/ Sones

Another important factor to consider is noise level. You can't take a peaceful bath if your fan creates sounds as loud as a jet. Right? So it's crucial to check the sound level of your chosen model.

Lower sones rating means the device is quiet while running.

FAQ

When is it the right time to leave the bath fan off?

If you notice the indoor air is dry enough, you may take a shower without  running the exhaust fan.

Does the ceiling height affect the efficiency of a humidity sensor fan?

The humid sensor requires a closed room for its efficient operation. The ceiling height above recommendation height may affect the sensor's ability to protect tub/ shower steam. So, you have to follow the manufacturer's recommended height for exhaust fan installation.

What is the right size duct for installing a bathroom exhaust fan?

The flexible aluminum duct is convenient for a bath fan system as this duct is easy to bend. Choose the duct size that fits your fan dispense port correctly.

What size wiring and circuit breaker for bath vent fan?

You should check the manufacturer's specifications to confirm these.

Conclusion

As you discovered in our reviews, these 7 best bathroom exhaust fans with humidity sensor are truly perfect to buy in 2020.

Every model recommended on this list offers high performance. They are high-quality, easy to install and use.

For the price, undoubtedly, they're hard to beat.

So, pick the right one that meets your needs and enjoy a healthy and clean bath space!