Humidity sensors are essential for maintaining a dry and comfortable bathroom. They control the fan based on moisture levels, preventing mold and mildew.
Choosing the right humidity sensor for your bathroom fan can be overwhelming. With various options available, you need one that fits your needs and budget. This blog post lists the top 10 humidity sensors for bathroom fans. We review features, specifications, and benefits to help you make an informed decision.
From automated control switches to energy-saving fans, find the best sensor for your bathroom. Keep your space dry, fresh, and healthy with these top-rated humidity sensors. Let’s dive into the details and explore the best options for you.
Topgreener Humidity Sensor Switch

The TOPGREENER Humidity Sensor Switch is an innovative solution for ventilation fan control. It is designed to automatically detect air moisture levels, ensuring that your bathroom fan operates efficiently and effectively. This switch is adjustable, allowing you to set the timing according to your needs. It requires a neutral wire and is UL listed for safety and reliability.
Pros:
- Automatically detects air moisture levels
- Ensures efficient operation of the bathroom fan
- Adjustable timing for personalized settings
- UL listed for safety
Cons:
- Requires a neutral wire for installation
- May be more expensive than standard switches
The TOPGREENER Humidity Sensor Switch offers a modern and smart way to control your ventilation fan. With its ability to detect air moisture levels, it ensures that your fan only runs when necessary, which can help save energy and reduce wear and tear on the fan. The adjustable timing feature allows you to customize the operation to suit your specific needs, providing greater flexibility and convenience.
While the switch has many benefits, it is important to note that it requires a neutral wire for installation, which may not be present in all homes. This could potentially add to the installation cost if additional wiring is needed. Additionally, the initial investment might be higher compared to standard switches. However, the long-term savings and enhanced functionality can make it a worthwhile investment for many homeowners.
To buy this product, click here.
New Generation Humidity Sensor Switch, Ortis In-wall Bathroom Fan Automated Control Switch
![[New Generation] Humidity Sensor Switch, Ortis in-Wall Bathroom Fan Automated Control Switch, Air Moisture Detection, Neutral Wire Required, White, 120V/220V](https://m.media-amazon.com/images/I/41u0-SbFNZL._SL500_.jpg)
The [New Generation] Humidity Sensor Switch by Ortis is an innovative solution for automating your bathroom fan. This in-wall switch features air moisture detection and requires a neutral wire for installation. It supports both 120V and 220V power supplies and comes in a sleek white finish. With its compact dimensions, it’s designed to seamlessly fit into your existing bathroom decor.
Pros:
- Automatically detects humidity levels to control the fan
- Easy to install with a neutral wire required
- Supports both 120V and 220V power supplies
- Sleek and modern design in white color
- Compact size fits seamlessly into existing decor
Cons:
- Requires a neutral wire for installation
- May not be compatible with all types of fans
The Ortis Humidity Sensor Switch is designed to make your bathroom experience more comfortable and convenient. Its air moisture detection feature ensures that your bathroom fan operates automatically, helping to prevent mold and mildew buildup by controlling the humidity levels. This automated control switch is not only practical but also energy-efficient, as it only activates the fan when necessary.
Despite its many benefits, it’s important to note that the switch requires a neutral wire for installation, which may not be available in all homes. Additionally, compatibility with all fan types might be an issue, so it’s crucial to check if your fan supports this switch. Overall, the Ortis Humidity Sensor Switch is a valuable addition to any modern bathroom, offering both functionality and style.
To buy this product, click here.
Tech Drive Bathroom Ventilation And Exhaust Fan

The Tech Drive Bathroom Ventilation and Exhaust Fan with Humidity Sensor is an excellent choice for keeping your bathroom fresh and free from excess humidity. With a capacity of 110CFM and operating at a quiet 0.8 Sones, this fan ensures efficient air circulation while maintaining a peaceful environment. The sleek white design and compact dimensions make it an ideal fit for most bathrooms.
Pros:
- High airflow capacity at 110CFM
- Operates quietly at 0.8 Sones
- Includes a humidity sensor
- Compact design fits easily in most bathrooms
Cons:
- Installation might require professional help
- Heavier weight at 13.699 pounds
The Tech Drive Bathroom Ventilation and Exhaust Fan with Humidity Sensor is designed to provide excellent ventilation with minimal noise. Its 110CFM capacity ensures that even large bathrooms can be kept fresh and free from moisture build-up. The included humidity sensor is a significant advantage, as it automatically adjusts the fan’s operation based on the room’s humidity levels, ensuring optimal performance without manual intervention.
However, while the fan’s features are impressive, potential buyers should be aware of its installation requirements. The fan’s weight and the need for proper ductwork might necessitate professional installation, adding to the overall cost. Despite this, the Tech Drive Bathroom Ventilation and Exhaust Fan offers a compelling combination of performance, design, and functionality, making it a worthy investment for maintaining a comfortable and healthy bathroom environment.
To buy this product, click here.
Lider No Neutral Wire Required Humidity Sensor Switch

The LIDER No Neutral Wire Required Humidity Sensor Switch is an innovative device designed to enhance the functionality and convenience of your bathroom fan. This switch offers automatic humidity detection and air circulation, making it an excellent addition to any home.
Pros:
- No neutral wire required for installation
- Automatic humidity detection
- Adjustable timing feature
- Wall plate included
- White color to match most decors
Cons:
- May not be compatible with all fan models
- Initial setup may require some technical knowledge
The LIDER No Neutral Wire Required Humidity Sensor Switch is a practical solution for those looking to automate their bathroom fan operations. Its standout feature is the lack of need for a neutral wire, simplifying installation for many homeowners. Additionally, the automatic humidity detection ensures that your bathroom remains free of excess moisture, which can help prevent mold and mildew growth.
The adjustable timing feature allows for customization based on your specific needs, making it a versatile choice. The switch comes in a white color, ensuring it blends seamlessly with most bathroom decors, and the included wall plate adds to its convenience. While there may be some compatibility issues with certain fan models and a slight learning curve during setup, the overall benefits make this switch a worthwhile investment for maintaining a comfortable and healthy bathroom environment.
To buy this product, click here.
Topgreener Dual Tech Humidity Sensor Switch

Experience ultimate control and convenience with the TOPGREENER Dual Tech Humidity Sensor Switch. This versatile device integrates Infrared PIR Motion Detection and Air Moisture Detection to efficiently manage your bathroom fan and light. The switch offers adjustable timing and requires a neutral wire. Available in a white 2 pack, it is UL Listed ensuring safety and reliability.
Pros:
- Combines motion and humidity sensing for optimal control
- Adjustable timing to suit your specific needs
- UL Listed for safety and reliability
- Comes in a white 2 pack
Cons:
- Neutral wire required for installation
- May be complex to install for non-professionals
The TOPGREENER Dual Tech Humidity Sensor Switch is designed for those who seek convenience and efficiency. By combining motion and humidity detection, it ensures that your bathroom fan and light operate only when necessary, helping to save energy and reduce wear and tear on your appliances. The adjustable timing feature allows you to customize the device to your specific needs, ensuring optimal performance.
This switch comes with a UL Listing, which provides peace of mind knowing that it meets rigorous safety standards. However, the requirement for a neutral wire might pose a challenge for some users during installation. Despite this, the benefits of having a dual-sensing switch far outweigh the cons, making it an excellent choice for modern homes.
To buy this product, click here.
New 2024! Humidity Sensor Switch, Ortis In-wall Bathroom Fan Automated Control Switch With Separate Sensor

Introducing the New 2024! Humidity Sensor Switch by Ortis – the perfect solution for maintaining optimal air moisture levels in your home. This in-wall bathroom fan automated control switch features a separate sensor for precise air moisture detection. It requires a neutral wire and operates within a 328 ft range on 110/220V power.
Pros:
- Automated control for convenience
- Precise air moisture detection
- Operates within a 328 ft range
- Compatible with 110/220V power
Cons:
- Neutral wire required for installation
- Limited color option (white) only
The New 2024 Humidity Sensor Switch by Ortis offers an efficient way to keep your bathroom dry and free from excessive moisture. Its automated control and separate sensor ensure that the fan operates only when necessary, saving energy and reducing wear on your bathroom fan. The precise air moisture detection guarantees that your room remains at an optimal humidity level, which can help prevent mold and mildew growth.
Despite its benefits, the requirement for a neutral wire may pose a challenge for some installations, and the white color might not suit all decor styles. However, the advanced features and ease of use make the Ortis Humidity Sensor Switch a valuable addition to any modern bathroom. Whether you are building a new home or upgrading your existing bathroom, this switch offers a reliable and smart solution for humidity control.
To buy this product, click here.
Leviton Iphs5-1lw Decora In-wall Humidity Sensor & Fan Control

The Leviton IPHS5-1LW Decora In-Wall Humidity Sensor & Fan Control is a convenient and efficient solution for controlling humidity levels in your home. It is designed to automatically turn on the fan when it detects elevated humidity levels, ensuring a more comfortable environment. The sleek white design seamlessly integrates with most decors, making it both functional and aesthetically pleasing.
Pros:
- Automatic humidity detection for efficient control.
- Sleek design that blends with most decors.
- Easy installation process.
- Energy-saving as it operates only when needed.
Cons:
- May require professional installation for some users.
- Limited color options, only available in white.
- 3A capacity might not be sufficient for higher power fans.
The Leviton IPHS5-1LW is an excellent choice for those looking to maintain optimal humidity levels in their homes. Its automatic sensor detects changes in humidity and activates the fan to help reduce moisture buildup, which can prevent mold and mildew. This smart sensor is especially useful in bathrooms, laundry rooms, and other areas prone to high humidity.
This device not only offers energy efficiency but also provides a modern and clean look with its white finish. However, users should note that installation might require professional assistance if they are not familiar with electrical systems. Additionally, the 3A capacity is suitable for most residential fans but may not be enough for larger, more powerful units. Overall, the Leviton IPHS5-1LW is a highly recommended product for enhancing home comfort and air quality.
To buy this product, click here.
Ortis New 2024! Humidity Sensor Switch

Introducing the Ortis New 2024! Humidity Sensor Switch – the perfect solution for maintaining optimal moisture levels in your bathroom. This in-wall bathroom fan automated control switch is designed to keep your room dry by providing precise humidity detection with its separate sensor. With a range of 328ft and compatibility with both 110/220V, this switch ensures your bathroom remains comfortable and mold-free.
Pros:
- Advanced humidity detection with a separate sensor
- Wide range of 328ft
- Automated control for better convenience
- Compatible with 110/220V
- Sleek and compact design
Cons:
- Limited color option (only available in white)
- Installation may require professional assistance
The Ortis New 2024! Humidity Sensor Switch stands out due to its advanced features and user-friendly design. The separate sensor ensures better moisture detection, providing more accurate control over your bathroom’s humidity levels. This helps in preventing mold and mildew, ultimately creating a healthier environment in your home.
Additionally, the wide range of 328ft and compatibility with both 110/220V make it a versatile choice for various setups. However, the limited color option and potential need for professional installation might be a downside for some users. Overall, the Ortis New 2024! Humidity Sensor Switch is a reliable and efficient solution for maintaining a dry and comfortable bathroom.
To buy this product, click here.
Kaze Appliance Sep120hez

The KAZE APPLIANCE SEP120HEZ is an ultra-quiet bathroom exhaust ventilation fan designed to improve air quality and prevent humidity-related issues in your bathroom. With 120 CFM and an incredibly low 0.3 Sone noise level, this fan ensures efficient performance while maintaining a peaceful environment. The EZ Install No Attic Access Required feature makes it simple to install, even in challenging spaces. This fan is Energy Star-Certified, promoting energy savings while delivering superior performance.
Pros:
- Ultra-quiet operation at 0.3 Sone
- High efficiency with 120 CFM
- Humidity sensing feature
- EZ Install No Attic Access Required
- Energy Star-Certified
Cons:
- Limited color option (only available in white)
- Specific dimensions might not fit all ceiling configurations
The KAZE APPLIANCE SEP120HEZ stands out for its ultra-quiet operation and high efficiency. With a noise level of only 0.3 Sone, it ensures a tranquil bathroom environment, making it perfect for homes where noise reduction is a priority. The humidity sensing feature automatically adjusts the fan’s operation based on the humidity levels, preventing mold and mildew growth and maintaining a healthy bathroom atmosphere.
Installation is a breeze with the EZ Install No Attic Access Required feature, allowing homeowners to set up the fan without needing attic access. This Energy Star-Certified appliance not only saves energy but also contributes to environmental sustainability. However, potential buyers should consider the limited color option and ensure that the fan’s dimensions are compatible with their ceiling configuration before purchase.
To buy this product, click here.
Eaton Hdfs3p1-w-l Humidity Sensor And Bath Fan Control Single Pole, White

The Eaton HDFS3P1-W-L Humidity Sensor and Bath Fan Control Single Pole in white is a versatile solution for managing humidity levels and controlling your bath fan. This device offers reliable performance and is designed with convenience in mind.
Pros:
- Easy to install with clear instructions
- Automatically adjusts fan speed based on humidity levels
- Helps to reduce mold and mildew by maintaining proper humidity
- Sleek and modern white design fits most decors
- Compatible with most standard bath fans
Cons:
- May require professional installation for some users
- Higher price point compared to basic fan controls
- Not suitable for multi-pole installations
The Eaton HDFS3P1-W-L Humidity Sensor and Bath Fan Control stands out with its ability to automatically adjust the fan speed based on the detected humidity levels. This feature not only ensures optimal air quality but also helps in preventing mold and mildew, which can be a common problem in bathrooms. Its sleek and modern white design makes it a great addition to any bathroom, seamlessly blending with most decors.
Despite its numerous advantages, potential buyers should be aware that the installation might be challenging for some, possibly requiring professional assistance. Additionally, the price point is higher compared to basic fan controls, which might be a consideration for those on a budget. Nevertheless, the advanced features and benefits it offers make it a worthy investment for maintaining a healthier and more comfortable bathroom environment.
To buy this product, click here.
Frequently Asked Questions
What Is The Best Humidity Sensor For Bathroom Fans?
The TOPGREENER Humidity Sensor Switch is highly recommended. It offers automated control, adjustable timing, and moisture detection. It’s UL listed.
Do I Need A Neutral Wire For These Sensors?
Most models, like the Ortis and TOPGREENER sensors, require a neutral wire. However, the LIDER sensor does not.
How Do Humidity Sensor Switches Work?
Humidity sensor switches detect moisture levels in the air. They automatically activate the fan to control humidity.
Are These Sensors Energy-efficient?
Yes, models like the KAZE APPLIANCE SEP120HEZ are Energy Star-certified. They provide energy-efficient and ultra-quiet ventilation.
Can I Install These Sensors Myself?
Most models, like the Tech Drive fan, are designed for easy installation. Some even require no attic access.
Conclusion
Choosing the right humidity sensor for your bathroom fan can make a big difference. It ensures your bathroom remains dry and mold-free. The options listed provide a variety of features. From adjustable timing to automatic humidity detection, each product has unique benefits.
Whether you need a model that doesn’t require a neutral wire or one with a motion sensor, there’s something for everyone. These sensors are easy to install and use, making them ideal for any homeowner. Investing in a good humidity sensor can save you time and money on repairs.
It also helps maintain a healthy living environment. Consider your specific needs and preferences before making a decision. With the right choice, you can enjoy a comfortable, dry bathroom for years to come.

Sarah Bennett is a passionate home decor enthusiast and the creative mind behind ConsumerDecor. With a love for design and an eye for detail, she shares inspiring ideas, emerging trends, and practical tips to help readers create beautiful, functional living spaces. Sarah believes that every home deserves a touch of style, no matter the budget.
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