IN FOCUS Why Smoke Ventilation Demands More Than Compliance A


s fire safety continues to be a critical consideration in building design, the importance of correctly specified, tested and installed smoke ventilation systems cannot be underestimated. Elta explores the engineering considerations behind effective smoke control


and the role of innovation in supporting safer buildings. Smoke ventilation plays an essential role in a building’s fire safety strategy. In the event of a fire,


an effective smoke extraction system will help maintain clearer escape routes, support firefighting operations and reduce the impact of smoke on the building and its occupants.


Specifying for the Application No two buildings present exactly the same ventilation challenges. The requirements of an enclosed car park will differ significantly from those of a commercial building, industrial facility or specialist application. For building services engineers, understanding these differences is fundamental to selecting an appropriate smoke ventilation solution. Emergency smoke extract fans must be capable of operating under demanding conditions, maintaining


their performance at elevated temperatures to support the removal of smoke during a fire. A variety of configurations, motor mounting arrangements and operating frequencies allows solutions to be selected around the demands of individual applications. This flexibility is particularly important where building layouts, installation constraints or specialist operating conditions introduce additional complexity.


The Challenges of Car Park Ventilation Enclosed car parks present a particular challenge, requiring effective ventilation during normal operation alongside provisions for emergency smoke extraction. Traditional ducted ventilation systems can occupy valuable space, creating additional challenges in


environments where ceiling heights and available installation areas are often restricted. Jet ventilation offers an alternative approach, using well-established tunnel ventilation principles to move air through the space. By generating a high-velocity jet, impulse and induction fans transfer momentum to the surrounding air through mixing and entrainment, directing airflow towards the main extract points. This approach reduces the need for extensive distribution ductwork, making more efficient use of available space while potentially reducing system resistance, energy consumption and associated running costs. Elta’s car park ventilation range includes solutions designed for both general ventilation and emergency smoke


extraction, with models capable of operating at temperatures up to 400°C.


The Importance of Testing and Certification In safety-critical applications, product performance must be supported by robust testing and appropriate certification. EN 12101-3 establishes requirements for powered smoke and heat control ventilators, helping provide confidence that products have been assessed for their intended emergency operating conditions. Beyond certification, attention


to manufacturing quality and product testing remains essential. Smoke ventilation equipment may not operate frequently in emergency mode, however it must be capable of being reliable. For specifiers, this reinforces the importance of looking beyond initial product performance data and considering the manufacturer’s testing capabilities, quality procedures and technical expertise.


Innovation Beyond the Fan As building projects become increasingly complex, the industry must also consider how smoke ventilation systems are delivered and installed. Prefabrication is one area offering opportunities to simplify installation processes and reduce on-site complexity. By incorporating elements of the smoke ventilation solution into tested and compliant prefabricated assemblies, manufacturers can help streamline installation, improve consistency and reduce the amount of work required on site. Elta’s prefabricated smoke solutions have been developed with these considerations in mind, providing an alternative approach to the delivery of smoke ventilation systems.


Building Safety Through Engineering Expertise As expectations around building safety continue to evolve, the role of ventilation manufacturers extends beyond supplying compliant products. Supporting engineers with technical expertise, application knowledge and solutions designed around the demands of individual projects is increasingly important. With more than five decades of air movement engineering experience, Elta continues to develop smoke ventilation solutions for a wide range of commercial, industrial and specialist applications.


eltauk.com SMOKE


Smoke Axial Fans


Car Park Fans


F200, F300 & F400


British Made


eltauk.com


VENTILATION FANS


Elta provides a leading range of smoke ventilation fans, bringing together the very best in engineering quality to ensure that all of our products are right first time, on time, every time.


Our smoke range is faithful to the spirit of our core axial fan range that has been used across thousands of applications internationally.


We promise to test all of our smoke fans to ensure they are fit for purpose before they get delivered to our customers.


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12/10/26 13:57 BUILDING SERVICES & ENVIRONMENTAL ENGINEER NOVEMBER 2026 27


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