9. Natural ventilation

Published:  14 January, 2009

55 Monodraught Windcatchers on the roof of this building on Kennington Park Business Centre in London provide natural ventilation, with cooling, for offices on the third floor.
Taking energy-using plant out of a building is certainly one way to cut back carbon emissions. A well-planned natural-ventilation project will allow a building owner to do just this. Natural ventilation uses the forces of wind and buoyancy to drive fresh air into buildings. It is arguably more an approach than a technology, but products can be designed to help the process carry out tasks such as filtering pollutants that may be caught up in the air. With legislation increasingly favouring natural, low-carbon solutions, could natural ventilation be the H&V technology to claim the crown of carbon champion?

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