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Home > Fans by Brand > Envirovent Extractor Fans > Envirovent Silent 100 Axial Extract Fan

Envirovent Silent Dual 100 Ultra Quiet Bathroom Fan With PIR and Humidistat

The SILENT DUAL is an intelligent extractor fan for bathrooms and WCs. It automatically adjusts its performance according to the environment and ventilation requirements via two sensors: a presence detector and a humidity sensor.

Incorporating an intelligent algorithm to automatically adjust its settings according to the environmental conditions, it does not require the need for user interaction. The motor is commissioned to achieve the required flow rate, minimising the electricity consumption and noise levels to meet the exact ventilation requirement.

  • DUAL FUNCTION -provides optimum versatility to be programmed as either an intermittent or continuous running fan. In intermittent mode the fan starts automatically when it detects a slow increase in humidity. As humidity rises and falls, the motor speed tracks the humidity in direct correlation until the humidity level has fallen below the set threshold, ensuring quiet and efficient operation. In intermittent mode, the fan also automatically starts (75% of the maximum speed) when movement is detected and will continue to operate for the set period selected by the adjustable run-on timer. There are two setting available for the over-run timer: 2 minutes (for bathrooms less than 4m2) and 15 minutes
  • DUAL SENSING - The fan operates automatically when it detects movement (via the PIR) or rises in humidity levels and activates a pre-set mode to achieve the lowest energy consumption and the lowest noise level.
  • DUAL INLETS - The fan has dual inlets for enhanced aerodynamic performance. Air is directed via the front and side panels, achieving similar performance to a traditional front grille but in a stylish and slim-line design to deliver greater pressure at low flow rates.
  • DUAL CONNECTION - 2-wire installation


  • Dimensions - (H) 167mm x (W) 167mm x (D) 157mm
  • Decibel Rating - 20 / 22 / 26.5 Db @ 3 metres
  • Airflow - 25 / 65 / 95 m³/h
  • IP Rating - IP45
  • Warranty - 5 years
Envirovent Silent Dual 100 Ultra Quiet Bathroom Fan With PIR and Humidistat
£194.82 inc vat
Order by 4pm for Next Working Day Delivery

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