10 Best Humidity Sensor Extractor Fan in The UK

Last updated on 23/07/2025

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Best Choice

9.7

Exceptional

Bosch Thermotechnik

Bosch Silent Bathroom Fan 1900 DH W125 - Bathroom Fan with Humidity Sensor

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Why We Love It

Quiet operation ensures peaceful environment.
Humidity sensor offers automatic convenience.
Sleek design enhances bathroom aesthetics.

Main Highlights

Quiet Operation: The Bosch Silent Bathroom Fan operates at 38 dB(A), reducing moisture, odours, and mould quietly. It activates at your set moisture threshold, adjustable between 40 % and 90 %, ensuring a peaceful environment
With Humidity Sensor: This fan offers easy and convenient handling, as it activates at a set moisture threshold and has a 3 - 30 minute run-off time with an adjustable shut-off delay function
Simply Efficient: This fan’s integrated check valve ensures effective ventilation by expelling exhaust air and blocking outside air. With a 145 m³/h airflow rate it guarantees fresh air
Sleek Bosch Design: Featuring a sleek and timeless design, this fan enhances the aesthetics of any bathroom. It combines Bosch's signature style with functionality, complementing your bathroom decor effortlessly
Easy to Install: Installation is a breeze with the Bosch Silent Bathroom Fan 1900 DH W125. It supports both wall and ceiling installations and can be installed by one person using standard tools. Please refer to manual to find the right size

Xpelair C4HTS 4-inch Simply Silent Contour Extractor Fan Humidistat

16% Off

Why We Love It

Easy to clean.
Whisper-quiet operation.
Hassle-free installation.

Main Highlights

Sleek, smooth facia can be easily be wiped clean for So Simple maintenance
The quietest intermittent bathroom fan on the market
Twist and Click fascia for So Simple installation and maintenance
Two speeds - 15 litres per second and 21 litres per second - selectable at install
Suitable for wall, ceiling or panel fitting. 2 year manufacturers guarantee

Airflow® QT100HT Extractor Fan with Adjustable Humidity & Timer - 100mm/4 Duct - German Made, QuietMark Certified 25 dB, Energy Efficient 5/9W, 2-Speed Operation Upto 25 l/s (90 m³/h), 3-Year Warranty

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Why We Love It

Two-speed settings for customization.
Advanced humidity detection for efficiency.
Whisper-quiet operation enhances comfort.

Main Highlights

Two-Speed Extraction: Airflow Bathroom Extractor Fan is equipped with a high-efficiency 100mm axial impeller, offering airflow rates of 75/90 m³/h (21/25 l/s) across two speed settings for tailored ventilation in bathrooms, en-suites, and toilets. 100mm/4” Duct Size.
Advanced Humidity & Timer Functions: Airflow Bathroom Extractor Fan Features an adjustable humidity sensor (65% - 90% RH) and an adjustable timer with settings for 6, 10, 15, and 21 minutes to ensure optimal ventilation when needed and save energy. 100mm/4” Duct Size.
Energy Efficient: Consumes just 5/9 watts of power, with a low specific fan power (SFP) of 0.24 w/l/s, making it highly energy-efficient while maintaining top performance. Compact dimensions of 147 x 147 x 131 mm ensure easy installation.
Durability & Safety: Long-life ball bearings with a lifespan of approximately 40,000 hours, and IP45-rated for protection against water and dust. Safe for use in wet zones with an RCD and complies with IEE wiring and Building Regulations Approved Document F.
QuietMark Award & Quiet Operation: Awarded QuietMark by the Noise Abatement Society in 2014, the fan operates at an exceptionally low noise level of 25 dB(A), ensuring a tranquil environment while maintaining effective ventilation.

Precise humidity control available.
Quiet operation ensures comfort.
Stylish design enhances aesthetics.

Main Highlights

Advanced Control Features. Adjustable Humidity Sensor (50% to 90% RH) and Timer (1 to 30 minutes) ensure precise indoor air quality management.
Quiet Yet Powerful Performance. Low noise operation at only 30dB(A) @ 3m. Delivers a robust extraction rate of 26.5l/s (95m³/hour).
Sleek and Aesthetic Design. The AIR SIX design features a vibrant, colorful faceplate for a stylish look. Includes a thin plastic anti-backdraft shutter and anti-vibration silicone damper for enhanced functionality.
High Durability and Versatility. IP45-rated for safe installation in Bathroom and Shower Room ZONE 1. 100mm diameter fits standard installations and provides reliable performance.
Convenient Installation and Accessories. Includes colorful stripes, wall plugs, and screws for easy setup using basic tools.

EINTTAX 100mm Quiet Bathroom Extractor Fan with Humidity Sensor and Timer, White Square Bathroom Fan 95m³/h, Wall/Window Mounted Extractor Fan for Kitchen, Bathroom, Toilet, 12W, 34 dB

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Why We Love It

Humidity control for comfort.
Stylish and modern appearance.
Quiet operation and high efficiency.

Main Highlights

Humidity Sensor and Timer: The EIN-Q10H bathroom extractor fan is equipped with a humidity sensor and a delay timer inside the PCB board. The threshold of the humidity sensor is adjustable from 60% to 90% to remove moisture and odors until the humidity level drops to the set value, then the fan will continue to run for 0.5 to 30 minutes and shut down
Stylish and Elegant Design: This bathroom extractor fan with humidity sensor and timer has a beautiful appearance, and the white suspended panel complements any modern interior decoration. The extractor fan is made of high-quality and durable ABS plastic, which is anti-aging and not easy to deform. The smooth panel can be easily wiped clean and is very simple to maintain
Low Noise: The extractor fan bathroom operates quietly, with a noise level of 34 dB @3m away. The built-in ball bearing motor delivers an extract airflow rate of 95m³/h and consumes only 12W of power. In addition, the motor also provides an overheat protection device, which is safe and reliable
Easy to Install: The bathroom fan extractor fits any 100mm (4 inches) diameter duct connection, is easy to install and clean, and can be mounted on the wall or window indoors (except external windows). The bathroom fan is equipped with a backdraft damper, which can effectively prevent air backflow and foreign objects from entering the room
Multiple Uses: With a waterproof rating of IPX4, our versatile quiet extractor fan is the ideal solution for removing humid air, unpleasant odors, and air pollutants in bathrooms, kitchens, showers, toilets, living rooms, bedrooms, garages, basements, workshops, and offices. Applicable space area: 2-8㎡

Bosch Bathroom Extractor Fan 1500 DH W 100 mm - For Ventilation in Bathroom and Toilet, Against Moisture and Mould - With Humidistat and Timer - 100mm Diameter

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Why We Love It

Optimal moisture and odor control.
Effortless, customizable operation.
Elegant, versatile design.

Main Highlights

Better Bathroom Ventilation: This quiet, powerful bathroom extractor fan with humidity sensor and adjustable run-time is a comfortable solution against moisture, unpleasant odours and mould
Simply convenient: Easy to use by switching on and off with the light switch. The run-off time can be adjusted between 3 and 30 minutes
Humidity Sensor: The bathroom ventilation with humidity sensor adapts to the humidity in the room - setting the threshold between 40% and 90% relative humidity. Air flow rate 95 m³/h
Attractive Bosch Design: Elegant design with a front panel made of high-quality plastic - neutral white, suitable for any bathroom interior. The sound level 3m away is 39 db(A). It may sound louder in tiled bathrooms due to sound reflections
Easy to install: Straightforward one-man installation with standard tools. Includes screws and dowels for wall mounting. No ceiling mounting possible. Requires a 102mm hole lined with a 100mm Duct

4'' 100mm Bathroom Extractor Fan with Humidity Sensor and Timer Overrun Delay, Silent Bathroom Fan with Backflow Flap, 95 m³/h, 12 Watt / 34 dB for Bathroom, Toilet, Kitchen - Silver

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Why We Love It

Automatic humidity sensor activation.
Efficient timer function available.
Quiet and durable operation.

Main Highlights

With humidity sensor: when indoor humidity reaches the threshold value you set, the bathroom fan works automatically until the humidity is below the specified threshold. Perfectly solve the problem of unpleasant odour and mould in the room
Timing function: bathroom fan has a timer function that you can set according to your wishes (1 minute - 30 minutes), easy installation and operation, extremely cost-effective maintenance.
Backflow conductor: the fan has a backflow protection to prevent insects from flying into the house, backflow flap is prevented from cold or damp air from the outside by the switched off, for wall mounting.
Quiet operation: the exhaust fan uses a bearing motor, which has the characteristics of quiet operation (<34 dB) and a long service life. White bathroom fan compatible with a variety of decoration styles, provides a comfortable and healthy environment.
This bathroom fan does not need to be connected to the grounding cable, the installation instructions can be found on the detail page. OPTIMAL ROOM SIZES: WC: 3-4m², Bathroom: 3-9m², Bedroom: 7-13m², Kitchen: 3-7m², Office: 5-13m².

Hon&Guan 100mm Bathroom Extractor Fan with Humidity Sensor, Timer Overrun Delay and Interval Time Setting, Automatic Operation Plastics 10W 95m³/h Silent 4 Inch Ventilation Fan

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Why We Love It

Sensitive automatic humidity control.
Extended operation after use.
Customizable interval cycling options.

Main Highlights

Automatic Operation: Hon&Guan multifunctional ventilation fan comes with humidity sensor, delay timer and interval time setting. It responds sensitively, automatically ventilates, and eliminates moisture and odors
Humidity Sensor: The exhaust fan automatically starts when the humidity reaches the set value and stops when it drops below. There are 4 humidity sensing levels available. Can be used with the delayed timer
Delayed Timer: When the humidity drops below the set value, the exhaust fan will continue running until exceeding the set time. There are 4 delay settings available: 1 min, 5 min, 15 min, and 30 min. (Factory default: 1 min)
Interval Time Function: The exhaust fan will automatically cycle based on the running time and interval time. The default running time is 1 hour. Interval time settings: 4 h, 8 h, 12 h, and 24 h. (Factory default: 4 h)
Vent hole diameter: 102 mm. Power: 10 W. Airflow: 95 m³/h. Speed:2200 rpm. Voltage: 220-240 V/50hz. Sound level: 32 db (If you have any questions, please ask the Hon&Guan team)

SBONNI 4 Inch Bathroom Extractor Fan with Humidistat, Thermostat, Timer, Remote Control – Powerful, Silent Ventilation Fan with Real Time Humidity & Temp Display for Ceiling Wall (With Plug)

22% OffFree Shipping

Why We Love It

Silent and powerful ventilation.
Easy installation with included accessories.
Real-time humidity and temperature display.

Main Highlights

30-day refund, 3 years warranty, 24/7 customer service, and patented design.
5-in-1 Smart Extractor Fan with Remote Control: The extractor fan bathroom with timer (Timer resets each time) , humidistat and thermostat for automatic operation, ON mode (24h continuous operation), OFF modes. Extraction fan with Remote Control for Easy Adjustment
Real-time Temperature and Humidity Display: The bathroom fan extractor with LCD screen displays real-time humidity and temperature. The control box allows for easy adjustment of humidity (0%-99%), temperature (0°C-99°C), and timer (0-9h50)
Replaceable Sensor: Easily replace the sensor without disassembling the bathroom fan, simplifying maintenance and extending the fan’s lifespan. The external sensor prevents motor heat interference and features an AHT20 chip with ±5% accuracy.
Upgraded Silent Extractor Fan Bathroom: Equipped a pure copper motor with dual ball bearings, 50% more copper wire, and a triple noise-reduction design, this extractor ensures powerful, quiet ventilation. Built with durable PC+ABS material for long-lasting performance.
Easy to Install: The bathroom ceiling extractor fan comes with a 1.5-meter BS-certified cable and plug, screws, wall plugs, and manual. It can be easily mounted on the ceiling, wall, or glass using screws or adhesive. Ideal for bathrooms, toilets, basements, attics, garages, and more (Note: The extractor fan comes with a plug.)
Note: The humidistat extractor fan will automatically turn on when the temperature or humidity reaches the set value. It will turn off automatically when the humidity drops 4% below the set level and the temperature decreases by 2°C. This helps prevent frequent on/off cycles and extends the lifespan of the exhaust fan.
3-Year Manufacturer Service: The ventilation fan features a BS-certified power cable and plug, IPX4 water resistance, and complies with CE and ROHS standards, protected by a UK patent. For added peace of mind, we offer a 3-year return/exchange service.

WingFly Bathroom Extractor Fan 100mm with Humidity Sensor and Backflow Flap Timer, Adjustable Run-on Time, 95m³/h, 12 Watt / 34dB for Bathroom, Toilet, Kitchen, White (Humidity sensor & timer)

3% OffFree Shipping

Why We Love It

Elegant design enhances any space.
Powerful airflow for effective ventilation.
Whisper-quiet operation ensures comfort.

Main Highlights

【Simply Elegant】Attractive design, the housing is made of high-strength ABS, the bathroom fan is therefore ultraviolet, anti-static, good corrosion protection and anti-aging protection. Suitable for kitchen, bathroom, toilet, ventilation systems, bedrooms, living rooms, garages, offices and etc.
【100MM bathroom fan】Impressive airflow of 95m3/h. 220-240 V voltage, consumption: 12W, frequency 50Hz. Rotation speed is strong, 2200r/min. Device dimensions (mm): H 150 x W 150 x D 130. Weight 0.71 kg.
【Quiet Operation】The exhaust fan uses a bearing motor, which has the characteristics of quiet operation (<34dB) and long service life. Ideal for anyone who wants efficient ventilation while avoiding annoying noise.
【Fan With Humidity Sensor】When the indoor humidity reaches the threshold you set, the bathroom fan will automatically work until the humidity is below the specified threshold. The elegant solution against moisture, unpleasant odors and mold.
【Bathroom fan with timer and check valve】Exhaust fan has a regulated timer with an operating time of 30 seconds to 30 minutes. The fan has backflow protection. It protects against all odors and insects that can filter through the ventilation holes.

8.8

Excellent

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We scanned 258 products

We reviewed these offers relevant to the Humidity Sensor Extractor Fan within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Bosch Thermotechnik, Xpelair, Airflow, AIR 6, EINTTAX, XIIW, Hon&Guan, SBONNI, WingFly, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Humidity Sensor Extractor Fan in the market, we considered we took a deep dive into 1291 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Bosch Silent Bathroom Fan 1900 DH W125 - Bathroom Fan with Humidity Sensor. We love many things about this product by Bosch Thermotechnik. What sets it apart from the competition is Quiet operation ensures peaceful environment. , Humidity sensor offers automatic convenience. , Sleek design enhances bathroom aesthetics. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Xpelair C4HTS 4-inch Simply Silent Contour Extractor Fan Humidistat by Xpelair based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Humidity Sensor Extractor Fan and the best cost-to-value ratio is SBONNI 4 Inch Bathroom Extractor Fan with Humidistat, Thermostat, Timer, Remote Control – Powerful, Silent Ventilation Fan with Real Time Humidity & Temp Display for Ceiling Wall (With Plug)at SBONNI with a 22% discount.
Our list of the best Humidity Sensor Extractor Fan is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Humidity Sensor Extractor Fan in The UK

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We scanned 258 products

We concluded that: