Acoustic Ventilators

R W Simon Limited

Simons have launched a range of acoustic ventilators to assist clients in creating a satisfactory solution for all their acoustic requirements. All ventilators in the range meet the requirements of Document F and Document E of the Building Regulations.

Simon ducomax (ZR)
Simon ducomax (ZR) sound absorbing ventilators are designed with three external canopy options - Budgetline, Softline and Lamelline.

The Simon ducomax (ZR) is an innovative, trendsetting generation of sound absorbing ventilator that combines both stylish design with outstanding acoustic and airflow performance.

Simon EHAS + AEA851
The Simon EHAS + AEA851 is a humidity controlled acoustic ventilator. Ideal for areas where external noise is a problem such as airports and busy roads. This ventilator achieves a 42db sound reduction in the open position and internal hygromatic technology helps to prevent condensation arising from water vapour in the air.


FinishesAvailable in silver anodised finish
SizesAll models have a minimum equivalent area of 2,500mm2
ColoursAcoustic canopy available in any standard RAL colour
Sound ReductionUp to 41dB


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BS EN 20140-10:1992BS EN ISO 717-1:1997Meets World Health Organisation recommended reduction of 33dB


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R W Simon Limited

R W Simon Limited

R W Simon is the UK's leading manufacturer in natural ventilation products, including louvres, solar shading and trickle vents. Based in Torrington north Devon the company operates under a BS 9001 quality management system.
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T(01805) 623721
F(01805) 624578
WVisit R W Simon Limited's website
 System Works, Hatchmoor Industrial Estate, TORRINGTON, EX38 7HP

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