
National Ventilation MON-S100 Monsoon Silence White Low Energy Low Noise Axial Extractor Fan For Remote Switching 100mm / 4 Inch 240V
MON-S100
Monsoon Silence Low Energy Axial Extractor Fan – 100mm, 240V for Remote Switching
The Monsoon Silence 100mm Axial Extractor Fan is engineered for ultra-quiet operation and high efficiency, making it perfect for use in bathrooms, wetrooms, and other ventilation-critical areas including Zone 1 installations. Designed with a mix-flow impeller and advanced noise-reduction features, it delivers powerful performance with minimal disruption.
- Ultra Quiet Operation: Noise levels as low as 25 dB(A), ideal for discreet use in domestic settings including en-suites and bathrooms.
- Low Energy Consumption: Exceptional Specific Fan Power as low as 0.27 W/L/S—designed to meet modern energy-efficiency standards (Part L compliant).
- Zone 1 Suitable: IP45 rated (when installed with RCD) for safe installation in wet zones; 150mm version rated IPX4.
- Optimised for Longer Duct Runs: High-performance mix-flow impeller handles extended ducting lengths with ease (performance may vary depending on duct setup).
- Built-In Features for Longevity & Comfort: Includes ball bearing motor (40,000-hour lifespan), anti-vibration mounts, backdraught shutter, and thermal overload protection.
Technical Specification
- Fan Type: Axial, low-noise with mix-flow impeller
- Size: 100mm (4")
- Voltage: 240V
- Ingress Protection: IP45 (with RCD)
- Noise Level: As low as 25 dB(A)
- Motor Life: 40,000 hours (ball bearing)
- Energy Efficiency: SFP as low as 0.27 W/L/S
- Compliance: Meets Part F & L of Building Regulations
✅ Choose the Monsoon Silence fan for whisper-quiet, efficient extraction—perfect for bathrooms needing performance without the noise!
C/w Humidistat | N |
C/w Pullcord | N |
S4 - Size | 100mm / 4 Inch |
Product | Domestic Fans |
Type | Domestic Axial Low Energy |
Ingress Protection | IP45 |
Voltage | 230/240 V |
C/w Pir | N |
Air Extraction Rate M3/h | 97 M3/h |
C/w Timer | N |
Shape | Square |
Maximum Sound Power Level | 25 dB |
Neon Indicator | N |
Max Litres Per Second Rate | 27 L/S |
C/w Backdraught Shutter | Y |
Delivery Costs
Our standard delivery charge to UK mainland addresses is £5.90 ex-VAT.
Take advantage of FREE* Delivery when you spend over £100 (per order) ex-VAT.
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12.00 ex-VAT.
Solar Panels, Batteries and Inverters
Due to their size all solar panels, batteries and inverters orders up to 50 qty will be despatched on a pallet and incur a £120** ex-VAT delivery charge.
**£180 ex VAT to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes.
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