The Vent-Axia Silent VASF100HT 100mm Extractor Fan with Humidistat (477436) delivers exceptionally quiet, efficient ventilation for bathrooms, toilets, and en-suites. Engineered with a high-efficiency motor and a forward-curved seven-blade impeller, this premium fan combines powerful extraction with whisper-quiet operation, making it one of the quietest extractor fans available today. Producing noise levels as low as 12dB(A) on low speed and 26dB(A) on high, it ensures discreet, unobtrusive airflow wherever it is installed.Designed for reliability and performance, the VASF100HT offers two adjustable fan speeds, allowing installers to set airflow to suit the room’s requirements. Factory-preset at 15L/s for toilet installations, it can be increased to 21L/s to meet full bathroom ventilation standards. With an extraction rate of up to 22 litres per second, this fan provides effective moisture and odour removal, helping prevent condensation, mould, and damp.The integrated humidistat automatically activates the fan when humidity rises, providing hands-free moisture control. Alongside this, a built-in overrun timer ensures the fan continues running after the room is vacated, delivering a thorough extraction cycle that maintains optimal air quality. The fan’s stylish open-front design enhances modern interiors, while its IPX5 moisture resistance rating allows installation in Zone 1, making it suitable for areas exposed to direct moisture.Offering installation flexibility, the Vent-Axia Silent VASF100HT is suitable for wall, ceiling, window, or panel mounting and is compatible with standard 100mm (4"") ducting. With its whisper-quiet performance, high-efficiency motor, and intelligent humidity control, this fan is an ideal choice for homeowners seeking a premium, low-noise ventilation solution that fully complies with Building Regulations Part F & L.