Natural night-time ventilation is often used to pre-cool low energy buildings, but can lead to security risks and weather damage. A prototype night ventilator has been built to combat such problems, but how has it performed in field tests?
Testing a prototype night ventilator.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1998
Bibliographic info:
UK, Building Services Journal, February 1998, pp 47-48