Read the latest magazine Featured Solutions Rooflights Ventilation Bringing Daylighting and Natural Ventilation Together 22 September 2022 AS SPECIFIERS look to improve the energy efficiency of their projects through the greater use of natural light and effective ventilation strategies, leading product manufacturer Passivent can help streamline the process with its Litevent Airstract rooflight ventilation system. Suitable for installation on flat or low-pitched roofs, Passivent’s Litevent Airstract was specifically developed to reduce energy demands in commercial buildings by combining controllable natural ventilation and natural daylighting functions in one unit. Natural Ventilation and Daylighting Strategy Manufactured from robust aluminium, the unit’s thermally insulated upstand minimises heat loss and its triple skin polycarbonate glazing is available in a clear, diffused, or bronze finish. By enabling controllable ventilation with minimal energy consumption and reducing reliance on artificial lighting, Passivent’s Litevent Airstract is ideally suited for use across a variety of sectors, particularly educational and community buildings, where the need to save on both operational carbon emissions and costs is vital. The unit is resistant to driving and deluge rain, and includes a 4mm insect screen in the cowl. It is also available in a range of shapes and sizes, including square and rectangular options, offering greater flexibility in terms of designing daylight and ventilation geometric free areas. With almost 40 years’ experience Passivent can offer a range of technical resources and support to specifiers at early design stage, helping them to achieve the best possible natural ventilation and daylighting strategy and ultimately creating better buildings and healthy spaces. To find out more, visit the Passivent website, call 01732 850 770 or email projects@passivent.com. Follow Passivent on LinkedIn to be kept up to date with the latest news. >> Read more of the latest news Previous article LCB Invests in New Rigs as 2022 Roofing Successes are CelebratedNext article Avonside Liquidation Leaves £17m Debt as Subsidiaries Dispersed Share article You may also like View all News Featured Solutions +3 20 August 2026 Polyroof Launches PRX Range for Profiled Metal Roof Refurbishment Featured Solutions +2 20 August 2026 Powell Gee Increases Production Capacity with Sixth Washering Machine Featured Solutions +2 20 August 2026 A High-Performance Mitigation Layer Cover Board Featured Solutions +4 13 August 2026 New Flat Roof Glass Window Completes the Velux Range Sign Up to Roofing Today Stay up to date with all of the latest news from Roofing Today by signing up to our weekly Bulletins… Sign Up Today Get in Touch Check out the latest issue 125 July-August 2026 View Now Past Issues Get in Touch