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10 Best Exhaust Fan With Humidity Sensors 2025 in the United States

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Our Top Picks

#1

Winner

KAZE APPLIANCE SNP100HL9 | 100 CFM | 0.8 Sone | Humidity Sensing | Dimmable 4000K Edge Lit LED | No Attic Access Required Quiet Bathroom Ventilation Exhaust Extractor Fan

Rating
9.9
Chosen by1,255
Airflow Capacity (CFM)
Noise Level (Sones)
Humidity Sensor

Most important from
713 reviews

Airflow Capacity (CFM)
The fan moves a lot of air, significantly reducing steam build-up during showers.
Noise Level (Sones)
While the fan is generally quiet, noise levels can vary depending on installation specifics and bathroom size.
Humidity Sensor
The fan effectively removes humidity, clearing bathroom air in about 10-20 minutes after a shower.
Energy Efficiency
The unit is Energy Star and HVI certified, ensuring energy efficiency and reliable performance.
Installation Type
Installation is straightforward, even for those with minimal DIY experience.

The KAZE APPLIANCE SNP100HL9 is a solid choice for bathroom ventilation, especially for small spaces up to 100 square feet. With an airflow capacity of 100 CFM, it effectively removes excess moisture, odors, and stale air. One of its standout features is the built-in humidity sensor, which allows the fan to automatically activate based on the humidity level, making it a convenient option for those who prefer not to monitor moisture levels manually.

Another significant advantage of this fan is its impressively low noise level of just 0.8 Sones. It operates quietly, which can be a huge plus for those sensitive to noise in their home environment. Installation is designed to be user-friendly, with no attic access needed, and it can fit most standard ceiling openings. This makes it accessible for a broader range of homeowners, particularly those who may not have extensive DIY experience. The inclusion of a dimmable edge-lit LED light adds an extra layer of functionality, providing bright, customizable lighting while consuming only 12 watts of energy.

While the fan is efficient and quiet, its plastic blade material may raise concerns regarding long-term durability compared to metal alternatives. Additionally, some users may prefer manual controls for more immediate adjustments. Finally, it’s worth noting that while it fits standard bathroom sizes, larger bathrooms might require a more powerful fan. The KAZE APPLIANCE SNP100HL9 is well-suited for those seeking a reliable and quiet bathroom exhaust fan with smart humidity sensing features, making it a great option for small bathrooms.

Rating
9.9
Chosen by1,255
Airflow Capacity (CFM)
Noise Level (Sones)
Humidity Sensor

Most important from
713 reviews

Airflow Capacity (CFM)
The fan moves a lot of air, significantly reducing steam build-up during showers.
Noise Level (Sones)
While the fan is generally quiet, noise levels can vary depending on installation specifics and bathroom size.
Humidity Sensor
The fan effectively removes humidity, clearing bathroom air in about 10-20 minutes after a shower.
Energy Efficiency
The unit is Energy Star and HVI certified, ensuring energy efficiency and reliable performance.
Installation Type
Installation is straightforward, even for those with minimal DIY experience.
#2

KAZE APPLIANCE SNP100H | 100 CFM | 0.8 Sone | Humidity Sensing | No Attic Access Required Bathroom Ventilation Exhaust Extractor Fan

Rating
9.8
Airflow Capacity (CFM)
Noise Level (Sones)
Installation Type

Most important from
713 reviews

Airflow Capacity (CFM)
The fan is powerful, effectively reducing steam and humidity, although some noise from air movement is noticeable.
Noise Level (Sones)
Noise levels might be higher than advertised, but the fan remains reasonably quiet and effective in smaller bathrooms.
Installation Type
Installation is straightforward, especially if placed near a ceiling joist, allowing for completion from below without attic access.

The KAZE APPLIANCE SNP100H is a bathroom exhaust fan well-suited for small bathrooms up to 100 square feet. It features a strong airflow capacity of 100 CFM, ensuring efficient removal of moisture and stale air. An impressive attribute is its quiet operation at 0.8 Sones, making it quieter than many other fans on the market, ideal for a peaceful bathroom environment. This fan is equipped with a hands-free humidity sensor that automatically activates to maintain your desired humidity levels, adding convenience by reducing the need for manual control.

Installation is simplified with its 'EZ INSTALL' feature, which doesn't require attic access and fits standard ceiling openings, although minor adjustments may be needed if replacing a differently sized unit. The fan also boasts an energy-efficient design, consuming only 23 watts, which helps in keeping electricity bills low. However, it only offers one power level, which might limit flexibility in airflow control. The back draft prevention damper is a practical inclusion, preventing outside air from entering your bathroom.

While the fan is not portable and is designed only for indoor, particularly bathroom, use, it fits modern bathroom styles with its painted finish and subtle white color. Rated at 4.3 out of 5 stars by users, it indicates general satisfaction. This model definitely appeals to those looking for a reliable, quiet, and energy-efficient bathroom fan with the added benefit of an automatic humidity sensor.

Rating
9.8
Airflow Capacity (CFM)
Noise Level (Sones)
Installation Type

Most important from
713 reviews

Airflow Capacity (CFM)
The fan is powerful, effectively reducing steam and humidity, although some noise from air movement is noticeable.
Noise Level (Sones)
Noise levels might be higher than advertised, but the fan remains reasonably quiet and effective in smaller bathrooms.
Installation Type
Installation is straightforward, especially if placed near a ceiling joist, allowing for completion from below without attic access.
#3

GROWNEER Bathroom Exhaust Fan with Light and Heater, 40W Bathroom Fan with Humidity Sensor, 110/160 CFM 1.0 Sone Exhaust Fan with Light, 1500lm LED Light 2700K/4000K/5000K & Nightlight, Remote

Rating
9.6
Noise Level (Sones)
Humidity Sensor

Most important from
9 reviews

Noise Level (Sones)
Despite its power needs, installation is straightforward, and the fan operates quietly without disrupting daily life.
Humidity Sensor
The humidity sensor keeps the bathroom from ever feeling humid or stuffy again, ensuring comfort.

The GROWNEER Bathroom Exhaust Fan is a versatile unit that combines ventilation, lighting, and heating in one package, which can be particularly beneficial for bathroom environments. With an airflow capacity of 110/160 CFM, it is capable of effectively clearing moisture and odors from spaces up to 160 square feet. The noise level is impressively low at just 1.0 sone, ensuring a quieter operation compared to many other fans. A key highlight is its built-in humidity sensor, which automatically activates the fan when specified humidity levels—30%, 60%, or 80%—are reached, providing convenience and energy savings by operating only when needed. This feature is complemented by a green indicator light that confirms the system's operation.

Additional features include a powerful 1700W heater, designed to quickly warm the bathroom, and variable LED lighting options ranging from a warm 2700K to a bright 5000K. The nightlight option offers safety and comfort during nighttime use. The fan comes with a remote control for easy operation but requires separate batteries, which are not included. Installation is straightforward, requiring a mounting bracket, and the unit fits into a standard size duct. However, at nearly 19 pounds, it may be heavy for some users to handle alone during installation.

Energy efficiency is reasonable at 33.33 CFM/W, meaning it doesn't consume excessive power for its performance. The unit's modern design and painted finish make it visually appealing in most bathrooms. Despite being a relatively new product on the market, it has received positive reviews for its performance and reliability. This exhaust fan is a sophisticated choice for those seeking a multi-functional device that enhances comfort while efficiently managing bathroom humidity. The combination of heating, lighting, and quiet operation makes it a strong contender for anyone looking to upgrade their current bathroom exhaust system, although potential buyers should be mindful of its weight during installation.

Rating
9.6
Noise Level (Sones)
Humidity Sensor

Most important from
9 reviews

Noise Level (Sones)
Despite its power needs, installation is straightforward, and the fan operates quietly without disrupting daily life.
Humidity Sensor
The humidity sensor keeps the bathroom from ever feeling humid or stuffy again, ensuring comfort.

Buying Guide for the Best Exhaust Fan With Humidity Sensors

Choosing the right exhaust fan with humidity sensors can significantly improve the air quality and comfort of your home. These fans help to remove excess moisture, odors, and pollutants from the air, which is particularly important in areas like bathrooms and kitchens. When selecting an exhaust fan, it's essential to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and choose a fan that effectively manages humidity and maintains a healthy indoor environment.
Airflow Capacity (CFM)Airflow capacity, measured in cubic feet per minute (CFM), indicates how much air the fan can move. This spec is crucial because it determines the fan's effectiveness in ventilating a space. For small bathrooms, a fan with 50-80 CFM is usually sufficient. Medium-sized bathrooms may require 80-110 CFM, while larger bathrooms or kitchens might need 110-150 CFM or more. To pick the right one, consider the size of the room where the fan will be installed. A higher CFM rating is better for larger spaces or areas with higher humidity levels.
Noise Level (Sones)The noise level of an exhaust fan is measured in sones. This spec is important because it affects the comfort of using the fan. A lower sone rating means a quieter fan. Fans with a rating of 1.5 sones or less are considered very quiet, making them ideal for bathrooms where noise can be disruptive. Fans rated between 1.5 and 3 sones are moderately quiet and suitable for most applications. Fans above 3 sones can be quite loud and may be better suited for areas where noise is less of a concern. Choose a noise level that matches your comfort preference and the location of the fan.
Humidity SensorA humidity sensor automatically turns the fan on and off based on the humidity level in the room. This feature is important for maintaining optimal humidity levels without manual intervention. Sensors can be set to activate the fan when humidity exceeds a certain threshold, typically around 50-80%. For areas prone to high humidity, such as bathrooms, a fan with a sensitive and adjustable humidity sensor is ideal. This ensures the fan operates only when needed, saving energy and reducing wear on the fan.
Energy EfficiencyEnergy efficiency refers to how much power the fan uses to operate. This spec is important for reducing energy consumption and lowering utility bills. Look for fans with the ENERGY STAR label, which indicates they meet strict energy efficiency guidelines. Energy-efficient fans use less electricity while providing the same or better performance compared to standard models. If you are environmentally conscious or looking to save on energy costs, choosing an energy-efficient fan is a smart choice.
Installation TypeThe installation type of an exhaust fan can vary, including ceiling-mounted, wall-mounted, or inline (duct) fans. This spec is important because it affects where and how the fan can be installed. Ceiling-mounted fans are common in bathrooms and kitchens, while wall-mounted fans are suitable for rooms with limited ceiling space. Inline fans are installed within the ductwork and are ideal for larger spaces or when a quieter operation is desired. Consider the layout and structure of the room to determine the best installation type for your needs.
Additional FeaturesAdditional features can enhance the functionality and convenience of an exhaust fan. These may include integrated lighting, motion sensors, timers, and smart home compatibility. Integrated lighting can provide extra illumination in the room, while motion sensors can automatically activate the fan when someone enters the room. Timers allow you to set the fan to run for a specific period, and smart home compatibility enables remote control and monitoring. Think about which additional features would be beneficial for your specific use case and choose a fan that offers those options.

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