National Ventilation


At National Ventilation, we have a renowned reputation amongst wholesalers, architects and specifiers for various ventilation solutions.

Working as a small-scale manufacturer, as well as an exclusive stockist of almost 6,000 items for over a decade, our expert technical sales team have been supplying many individual ventilation solutions to suit your every ventilation requirement.

Architects and Specifiers

Many leading architects and specifiers are taking advantage of our free of charge design and specification service, as we help them get small and large systems designed quickly. We have a wealth of experience working with both architects and specifiers in a variety of projects such as the new Duchy Originals factory for HRH Prince of Wales. We also played a key role in the development of a system for Aston Martin car manufacturer.

Axial Fan Range

At National Ventilation, we have an extensive axial fan range available for many ventilation solutions. Included in our axial fan range are 6" reversible auto shutter fans and HVR150RE 150mm reversible fans.

Centrifugal Fan Range

We have an excellent centrifugal fan range includeing wall fan models, a monsoon compact centrifugal range and an in-line centrifugal fanĀ range.

Mixed Flow Fan Range

ForĀ  mixed flow fans, we have a great mixed flow fan range available including a in-line fan range and an UMD in-line mixed flow fan range.

Flexible Ducting

Our extensive range of flexible ducting incorporates many forms of aluminium ducting and a FXAL range of flexible aluminium ducting in 10 metre lengths.

Speed Controllers

Single phase controllers are included in our speed controllers range in addition to a MR range of single phase speed controllers from 0.5 Amps up to 4 Amps.


We offer an excellent grille and outlets range in addition to steel air valves for supply and extract coming in sizes starting from 80mm - 200mm.

Roof Fans

For roof fans, we can provide OTF chimney fans and OTF200/M centrifugal chimney fans. For more information on our roof fans, please visit our website.

Heat Recovery Systems and Air Circulation Fans

Heat recovery systems and air circulation fans are part of our extensive stock list.

We provide the following:


Monsoon is our brand name and has a trusted and respected leading reputation in the industry amongst many contractors, wholesalers and consultants for over a decade. We have included many commercial, domestic and industrial products in our Monsoon range.

These include:

  • Auto shutter fans in many sizes
  • Plate and cased axial fans
  • Wholehouse extraction systems
  • Heat recovery units

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