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Passivent’s Aircool Range Provides a Breath of Fresh Air

Passivent’s comprehensive range of Aircool® wall and window ventilators offers solutions across a wide variety of sectors, providing controlled air intake and extract in natural ventilation systems to create healthy internal environments.


The Passivent Aircool range comprises four core products to give specifiers the full spectrum of solutions and meet the individual requirements of any project. Primarily suited for external installation, the Aircool is designed to work with all forms of wall construction, curtain walling and window profiles with the external weather louvre providing excellent weather protection. and an insulated internal damper which minimises heat loss.

Passivent Aircool is designed to be a highly flexible product which can form part of a natural or mechanical ventilation strategy and with its electrically-actuated low-voltage dampers, it is virtually silent in operation. It is particularly suitable for use as part of a night cooling strategy, where daytime heat build-up is dissipated from the structure via the Aircool during the night, producing lower internal air temperatures with a reduced need for daytime cooling or air conditioning.

As well as the standard Passivent Aircool option, Passivent also offers an Acoustic Aircool® Ventilator with additional acoustic attenuation features plus its Thermal Aircool® Ventilator with a heater coil to temper the temperature of the fresh incoming air during cooler weather. The hybrid air-mixing variant – Hybrid Plus2 Aircool – combines the features of the Aircool with an innovative air tempering and mixing unit. It has three distinct operating modes to satisfy cool and warm conditions – passive, cooling and mixing. Designed primarily for use in a single-sided ventilation strategy, the Hybrid Plus2 Aircool meets Building Bulletins 101 and 93 for use in the education sector, but is equally suited to general commercial applications. Building Bulletin 101 is ‘Guidelines on ventilation, thermal comfort and indoor air quality in schools’ and Building Bulletin 93 is ‘Acoustic design of schools: performance standards.’

The whole range is manufactured by Passivent to ISO 9001, and has been rigorously tested to ensure it provides superior thermal insulation and excellent airtightness as well as meeting weather resistance requirements. It is also suitable for modular construction making it a great all round ventilation solution.

Passivent’s experienced technical team is on hand to help match the right Aircool with the specific requirements of each project as well as providing support with bulk airflow calculations or thermal modelling. All products within the Passivent Aircool range are also available as BIM objects for ease of specification.

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