10 Best Extractor Fan Bathroom Humidity Sensor And Odour in The UK

Last updated on 06/08/2025
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Best Choice
1
9.8
Exceptional
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
Airflow
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.
9.8
Exceptional
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Best Value
2
9.6
Superb
Bosch Silent Bathroom Extractor Fan 1900 DH W100 - For Ventilation in Bathroom and Toilet, Against Moisture and Mould - With Humidistat and Timer - 100mm Diameter
Bosch Thermotechnik
Bosch Silent Bathroom Extractor Fan 1900 DH W100 - For Ventilation in Bathroom and Toilet, Against Moisture and Mould - With Humidistat and Timer - 100mm Diameter
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Why We Love It
  • Ultra-quiet operation for comfort.
  • Humidity sensor for smart control.
  • Sleek design enhances any bathroom.
Main Highlights
  • Quiet Operation: The Bosch Bathroom Fan operates at 28 dB(A), reducing moisture, odours, and mould quietly. It activates at your set moisture threshold, adjustable between 40% and 90%. It may sound louder in tiled bathrooms due to sound reflections
  • 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 75.4 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: The 1900 W100 bathroom fan supports both wall and ceiling installations and can be installed by one person using standard tools. Requires a 102 mm hole, fitted with a 100 mm duct
9.6
Superb
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3
9.4
Superb
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
Bosch Thermotechnik
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
9.4
Superb
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4
9.3
Superb
Save 15%
Devola 100mm Quiet Mixed Flow Extractor Fan, 4 inch Tile Fan With Humidistat Sensor, Quiet Extractor Fan, Made in Britain (Humidity Sensor)
Devola
Devola 100mm Quiet Mixed Flow Extractor Fan, 4 inch Tile Fan With Humidistat Sensor, Quiet Extractor Fan, Made in Britain (Humidity Sensor)
15% Off
Why We Love It
  • Backdraft damper prevents heat loss.
  • Easy installation and cleaning.
  • High airflow for effective ventilation.
Main Highlights
  • Devola 100mm Fan the fan is equipped with a specially designed backdraft damper to prevent back flow and heat losses during the fan standby.
  • Devola bathroom extractor fan is easy to install and clean and can be attached to the window. With individually adjustable Humidity Sensor (Adjustable between 60% to 90%).
  • This versatile bathroom ventilation fan is ideal for rooms with high humidity. The cover prevents people from looking into the fan opening. It fits perfectly in various room sizes: WC (3-4 m²), bathroom (3-9 m²), bedroom (7-13 m²), kitchen (3-7 m²) and office (5-13 m²).
  • This Devola fan comes with an impressive 85 m3/hour extract airflow rate 24 l/s. Fitted with an backdraft shutter.
  • This fan can be directly installed inside a ventilation shaft, fexible air ducts may be used in case of remote location of the ventilation shaft. The air duct is connected to the exhaust spigot with a fixing clamp.
  • Devola Extractor Fan is Fitted with a German 240v mains motor and backed with a 5 year warranty for an absolute peace of mind.
9.3
Superb
Save 15%
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5
9.2
Superb
Save 26%
Xpelair C4HTSR 4" Simply Silent Contour bathroom extractor fan with humidistat and timer, plus choice of square and round baffles, White, 240V
Xpelair
Xpelair C4HTSR 4" Simply Silent Contour bathroom extractor fan with humidistat and timer, plus choice of square and round baffles, White, 240V
26% Off
Why We Love It
  • Sleek design, easy to clean.
  • Two selectable speeds.
  • Includes Round and Square Fascia.
Main Highlights
  • Sleek, smooth facia can be easily be wiped clean for So Simple maintenance
  • Two speeds - 15 litres per second and 21 litres per second - selectable at instalL
  • Both Round and Square Facia Supplied Twist and Click fascia for So Simple installation and maintenance
  • Suitable for wall, ceiling or panel fitting. 2 year manufacturers guarantee
9.2
Superb
Save 26%
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6
9.0
Superb
Hon&Guan Smart 100mm Bathroom Extractor Fan with Humidity Sensor, Timer, Automatic Operation, 4 Inch Extractor Fan Bathroom 10W 95m³/h Silent
Hon&Guan
Hon&Guan Smart 100mm Bathroom Extractor Fan with Humidity Sensor, Timer, Automatic Operation, 4 Inch Extractor Fan Bathroom 10W 95m³/h Silent
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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: The exhaust fan will continue to run after it is turned off until the set time has elapsed. There are 4 delay settings available: 1 min, 5 min, 15 min, and 30 min. (Factory default: 1 min)
  • 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)
  • Friendly reminder: Please refer to the instruction manual for the functional settings of the bathroom extractor fan. If you have any questions, the Hon&Guan Team will be happy to assist you
9.0
Superb
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7
8.8
Excellent
VENTS QuietLine 4 inch Humidity Control & Timer Extractor Fan Modern Design Silent Bathroom Ventilator with Humidistat Sensor for 100 mm Ducting Wall Ceiling Ventilation Shaft Mounting
VENTS
VENTS QuietLine 4 inch Humidity Control & Timer Extractor Fan Modern Design Silent Bathroom Ventilator with Humidistat Sensor for 100 mm Ducting Wall Ceiling Ventilation Shaft Mounting
Why We Love It
  • Regulates indoor humidity levels automatically.
  • Quiet operation for peaceful homes.
  • Simple maintenance and installation.
Main Highlights
  • FEATURES: The Humidistat extractor is finished in cool white with a modern take on traditional styling. Intended for ventilation shaft mounting or connection to 100 mm air ducts.
  • OPTIONS: The extractor fan is fitted with a Humidity sensor and Timer to regulate indoor humidity levels automatically. The set point is adjustable from ~60 % to ~90 %.
  • QUIET RUNNING: For a peaceful home environment, the fan outlet pipe incorporates specially designed air rectifiers. The fan operates at low noise, only 25 dB(A) sound level @3m. A significant 90 m3/hour extract airflow rate of 25 l/s helps to extract airborne pollutants and combat the harmful effects of dampness and condensation.
  • COMPLIANT: The extractor fan complies with Building Regulations Part F and L with very low specific fan power at 0.32 w/l/s, meeting all the energy requirements to date. The QuietLine fan is IPX4 Rated and suitable for safe installation in bathroom wet areas, providing extra protection and peace of mind – Zones 2 & 3. Energy rating: A+
  • SIMPLE MAINTENANCE & INSTALLATION: The fascia may be removed with ease for cleaning. The fan design enables a quick and simple installation.
8.8
Excellent
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8
8.8
Excellent
Save 11%
FANTRONIX NAZAIR White 100 mm Quiet Powerful Bathroom Extractor Fan with Humidity Sensor Wall Ceiling Mounted Ventilation Damp Environment Control for 100 mm Ducting Silent Toilet Shower Ventilator
Fantronix
FANTRONIX NAZAIR White 100 mm Quiet Powerful Bathroom Extractor Fan with Humidity Sensor Wall Ceiling Mounted Ventilation Damp Environment Control for 100 mm Ducting Silent Toilet Shower Ventilator
11% OffFree Shipping
Why We Love It
  • Quiet, high-capacity fan.
  • Energy Efficient feature.
  • Easy installation process.
Main Highlights
  • FEATURES: 4-inch smart extractor fan with a built-in Timer and condensation Humidity Sensor. Ideal solution for Bathrooms, toilets, showers, and other humid places. The fan is equipped with a specially designed backdraft damper.
  • LOW NOISE & ENERGY SAVING: The modern design of the impeller delivers a high 90 m3/hour extract airflow rate of 25 l/s. Special exhaust air straitening gators deliver low noise, only 25 dB(A) sound level. Energy rating: A+.
  • EASY INSTALLATION: The fan is designed for ventilation shaft mounting or air duct connection to ∅ 100 mm. Can be mounted on the wall or ceiling. For remote ventilation shaft location, it is recommended to use a flexible duct connection. Ingress protection rating against access to hazardous parts and water ingress is IP44.
  • MAINTENANCE FREE: Impressive maintenance-free bearings contain enough grease for 40 000 hrs of non-stop operation. Fitted with a reliable German motor.
  • ADDITIONAL TECHNICAL DATA: The humidity sensor activation threshold is adjustable from 60 % to 90 % & Turn-off delay timer is from 2 to 30 minutes. The fan is rated for operation at ambient temperatures ranging from +1 °C to +45 °C. Building Regulation Part F and L compliant.
8.8
Excellent
Save 11%
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9
8.7
Excellent
Swiftair Humidity sensor + Timer if needed Extractor Fan Inline Fan Bathroom Run On Timer SHUMID 1361
SwiftAir
Swiftair Humidity sensor + Timer if needed Extractor Fan Inline Fan Bathroom Run On Timer SHUMID 1361
Why We Love It
  • Wide humidity range supported.
  • Adjustable timer for convenience.
  • Compatible with standard voltage.
Main Highlights
  • Humidity 40-100% (humidity ONLY Live and Neutral) (Timer 2-30min if needed Must have live, Switched live & Neutral)
  • 220-240V - 50hz
8.7
Excellent
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10
8.7
Excellent
VENTS 100mm PIR Motion Sensor Extractor Fan with Timer – Low Energy Bathroom & Kitchen Wall Fan – Quiet Operation – Backdraught Shutter – 4 Inch – Brilliant White
VENTS
VENTS 100mm PIR Motion Sensor Extractor Fan with Timer – Low Energy Bathroom & Kitchen Wall Fan – Quiet Operation – Backdraught Shutter – 4 Inch – Brilliant White
Why We Love It
  • Motion-Activated for hands-free convenience.
  • Integrated timer clears odours efficiently.
  • Energy-efficient and whisper-quiet operation.
Main Highlights
  • Motion-Activated Ventilation – Built-in PIR sensor automatically switches the fan on when movement is detected, offering hands-free operation ideal for bathrooms and cloakrooms.
  • Integrated Timer Function – Adjustable run-on timer keeps the fan running after you leave the room to clear residual moisture and odours effectively.
  • Energy-Efficient & Quiet – Fitted with a 240V energy-saving motor that consumes just 5.5W, delivering 78 m³/h airflow at a low 26 dB noise level.
  • Backdraught Shutter Included – Helps prevent cold air and outside odours from entering the room, maintaining comfort all year round.
  • Easy to Install & Compliant – Supplied with clear wiring for live and neutral connections. Fully compliant with UK building regulations and backed by a reliable 5-year warranty.
8.7
Excellent
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