24 February, 2026
Top 10 Best Monsoon Zone 1 Silent Bathroom Extractor Fan With Timer Mon S100t of 2026
Last Updated - 24 February, 2026
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WITPOCE
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National Ventilation MON-S100T Monsoon 'Silence' Extractor Fan 4 Inch / 100mm (Timer Model)
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Why We Love It
- Mains voltage 230/240 V AC- 50 Hz. Power consumption: 7.5 watts
- Flow rate: 27 litres per second, 97 cubic metres per hour
- Sound output 25 dBA at 3 m. Special fan power 0.27 W/L/S
- IP45 rating. CE Approved. This unit can be installed within individual zone 1 or 2. For the race track is protected or installed by a residual current circuit breaker
- Dimensions: 158mm wide x 158mm high x 22mm Spigot diameter: 99 mm (for connecting to 100 mm pipes) and projects for 80 mm above the surface.
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AIR 6
AIR 6 Cloud-100HT Silent Yet Powerful Bathroom Extractor Fan with Adjustable Humidity Sensor & Timer | Delivering 26.5l/s (95m3/h) | Wall or Ceiling Mounted Fan | White | IP45 | For 100mm /4" ducting
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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.
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KoolShiro
Bathroom Extractor Fan, 4"/100mm High Airflow Silent Bathroom Fan with Timer Overrun Delay Function for Bathroom Toilet Shower Wall Mount (White)
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Main Highlights
- Bathroom Extractor Fan: Diameter: ø100mm; Panel Size: 150x150mm Voltage/ Frequency: 220V/50Hz; Speed: 2200RPM; Air Flow: 95m³/h; Power: 18W; Working Humidity: <80%; Waterproof Rating: IPX4; Noise: 34 dB; Air Pressure: 55 Pa; Applicable Area: 8 ~ 12; Working Temperature: -20 to 130. (CE Certification)
- Abs Material: The frame and 7-blade rotor of this smart exhaust fan are made of high-quality, durable ABS plastic with a waterproof rating of IPX4, ensures high efficiency and long life. Efficient, ultra-quiet bathroom exhaust fan quickly removes moisture and odours.
- High Airflow & Low Noise: This extractor fan bathroom has an airflow of 95 m³/h, a noise level of 34 dB(A) at 3 metres and consumes only 10 watts of electricity, and built-in thermal protector, over 130 automatic power off, safe and reliable.
- Five-Position Delay: The extractor fan can run for another 1-30 minutes after power failure by the main unit's own energy storage, which can be adjusted in 5 gears (1, 5, 15, 20, 30 minutes), Easily adjusted by pressing the switch with indicator light.
- Easy Installation: The ventilation fan can be screwed or glued in place and can be mounted on walls, ceilings or ventilation shafts. It can be widely used in bathrooms, living rooms, bedrooms, kitchens, offices and other places that require continuous or regular ventilation.
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Knightsbridge
Knightsbridge IP45 100mm/4 inch LED Backlit Extractor Fan with Overrun Timer - Matt Black
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Main Highlights
- IP45 Zone 1 rated
- Built in adjustable over-run timer 2-30mins (preset at 2mins), LED lighting effect during activation
- Low noise of 28.5-30dBA at 3m and extraction rate of 83m³ per hour or 23 liters per second
- Fitted with a backdraft kit as standard
- Compliant with latest Building Regulations Part F & Part L
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Airflow
Airflow iCON 15 Bathroom Extractor Fan 19 l/s - 100mm/4 - Iris Open/Close Backdraught Shutter Tech - Energy Saving 9.4W - Optional Humidity, PIR & Timer Modules Sold Separately | 3-Years Warranty
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Main Highlights
- Iris Opening Technology Automatically closes when the fan is not in use, preventing backdraughts and blocking cold air from entering. Keeps your bathroom warm and helps lower energy bills.
- Energy-Efficient & Quiet Operation Airflow iCON 15 extractor fan Operates at just 9.4W, (0.05A) delivering powerful airflow up to 19 l/s (69 m³/h) while maintaining quiet (28.8dB Noise @3m)
- iCON 15 Installation Requires a 110mm hole (Wall or Ceiling) Lined with a 100mm Duct. size Ensure Vapour Barriers are Properly Restored. Perfect for smaller bathrooms and en-suites.
- Basic Fan with Optional Control Modules The fan is supplied as a standard basic unit without advanced controls. To customise functionality, a variety of control modules are available for purchase separately, including options for timers, humidity sensors, motion sensors, and dual-speed settings. Control modules are not included and must be bought separately.
- Multiple Color Cover Options Covers available in stylish colours such as silver, chrome, anthracite, and navy blue, allowing you to choose the perfect option that complements your bathroom's aesthetic
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Xpelair
Xpelair C4TS 4"/100mm Simply Silent Contour Extractor Fan Timer Delay
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Main Highlights
- Sleek, smooth facia can be easily be wiped clean for So Simple maintenance
- The quietest intermittent bathroom fan on the market. They are ideal for bathrooms, shower rooms, cloakrooms and toilets. So Simple installation features enables the fan to be fitted easily in walls, ceilings and panels
- 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
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Bosch Thermotechnik
Bosch Silent Bathroom Extractor Fan 1900 W 100 - For Ventilation in Bathroom and Toilet, Against Moisture and Mould - With Light Switch Activation - 100mm Diameter
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Main Highlights
- Quiet Operation: This Bathroom Fan is designed to operate at a noise level of 28 dB(A) and is suitable for reducing moisture, unpleasant odours and mould. It may sound louder in tiled bathrooms due to sound reflections
- Light Switch Activated: This fan works with your bathroom's light switch, so you can easily turn it on and off as you enter or leave the room. It does not have a timer
- Simply Efficient: This fans 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 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
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Devola
Devola 100mm Inline Mixed Flow Extractor Fan with Timer, 4 Inch Bathroom Fan, For Kitchen, Bathroom and Loft, Made in Britain (Timer Model) - DVILF100T
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Main Highlights
- Powerful Airflow Performance In-duct mixed flow extractor fan delivers an impressive 187 m³/h airflow rate, built for higher working pressures with low noise operation. Compatible with 100mm rigid or flexible ducting for versatile installation.
- Adjustable Run-On Timer (230 Minutes) Enjoy full control of your ventilation duration with the built-in timer feature, allowing you to set the fan to continue running for 2 to 30 minutes after switching off. Ideal for maintaining fresh, moisture-free air long after you leave the room.
- Robust & Reliable Design Crafted from low-flammable polypropylene, this fan fits all standard 100mm ducts and features a removable central section for easy cleaning. Rated IPX4 and fully compliant with Building Regulations Parts F & L.
- Ultra-Quiet Operation Runs at just 27 dB, using advanced engineering to maintain a healthy, mold-free environment without disturbing your peace.
- Compact & Practical Dimensions Measures 190mm (H) x 167mm (W) x 246mm (L) with a 96mm spigot, designed for seamless connection to 100mm ducting.
- German Motor, British Craftsmanship Engineered with a premium German motor and proudly Made in Britain, this fan is backed by a reassuring 5-Year Warranty.
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Fantronix
Fantronix 100 mm (4”) Inline Bathroom Extractor Fan with Run-On Timer – Quiet Loft-Mounted Ventilation for Shower, Toilet & Damp Control
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Main Highlights
- Powerful yet quiet performance Delivers up to 187 m³/hour airflow with low noise levels between 2736 dBA, helping maintain a fresh, mould-free environment.
- Hardwired installation required Requires permanent live, switched live, and neutral connections from a household lighting circuit. Durable polypropylene housing includes a removable centre for cleaning.
- Compact size & standard fit Measures 246 mm (L) × 190 mm (H) × 167 mm (W) with a 96 mm outer diameter spigot, designed to connect securely to standard 100 mm ducting.
- This fan requires a switched live, permanent live and neutral mains voltage connection. It activates when the light is switched on and can be set to run between 2 and 30 minutes after the light is switched off.
- Safe for humid areas IPX4 rated with added internal protection, suitable for bathrooms, kitchens, and other high-humidity spaces, and compliant with Building Regulations Part F and L.
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CubeTECH
CubeTECH CTQF100t Smart LED 4" Inch Bathroom Extractor Fan with Timer Overrun Delay. White Glass High Airflow Silent Bathroom Fan | Toilet Ventilation | Kitchen Ceiling Extractor | Fan Shower 240v
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Main Highlights
- White Glass Matt. The CubeTECH CTQF100t is the ideal, almost silent, 4 inch extractor fan solution for removing damp air, odours and airborne pollutants from kitchens, toilets and bathroom.
- Powerful Air-Flow: 90m³/h (25 litres per second) one of the best airflow rates for any 100mm bathroom extractor fan with timer.
- Low Noise: 32 dB(A) @ 3 meters. Whisper quiet extractor fan and low 10W power consumption. Long-Life Motor with Built-In Protection.
- Slimline, Modern Compact Design. Low Noise, High Flow operation. Integrated Smart Delay Timer (Adjustable 2 to 30 mins). Easy Wipe, Glass Finish.
- Diameter: 100mm(4") with slim 39mm profile. Wall or Ceiling Mountable.