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Technical Support

We don’t just manufacture products; we provide solutions and our extensive offering is supported by market-leading technical expertise and knowledge. Find out more here about our range of technical support services.

Design support

Our Technical and Sales teams support both specifiers and contractors to ensure the best possible natural or hybrid ventilation strategy is achieved at the concept and early design stage. This includes bulk airflow calculations and thermal modelling. Find out more here about our design support services.


As part of our ongoing commitment to provide the best technical support to our customers, and to ease the specification process, we have partnered with IES (Integrated Environmental Solutions) to make a number of our products available to model within their virtual environment platform IESVE.

Commissioning and servicing

Our highly experienced commissioning and servicing team have all the necessary site clearance to commission or service the installed Passivent equipment.


The majority of installations of Passivent equipment are carried out by the project’s M & E contractor as part of the wider M & E installation. Passivent can provide details of their network of trained installers in England, Scotland and Wales.

CPD seminars

CPD seminars are available on a variety of subjects, covering technical requirements and functions and appropriate regulations and standards.

Other technical support

Within this section you can access a range of technical articles and documents.

Talk to us

Contact us today to discover more about our extensive range of natural and hybrid ventilation products and the technical support services we can offer.

Get in touch

Passivent is a division of Building Product Design Ltd.

Other subsidiaries include Glidevale Protect, a specialist in ventilation solutions, condensation control and energy efficiency across the built environment and Kingfisher Louvres, manufacturer of aluminium louvre systems.

Important Notice

Please be vigilant of fraud/cyber crime. If you receive an email from our parent company Building Product Design Ltd, please check that the email address from the sender ends in '' and any phone number given is 0161 905 5700.

If you receive any emails ending in '' or '', these are NOT legitimate, and you should contact us as soon as possible at

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