Abstract
Ventilation provides a key defence for the protection of the indoor environ ment from the adverse effects of poor air quality. However, it can also contrib ute substantially to building energy use. Furthermore, the need to install large ventilation capacity is expensive both in terms of capital cost, maintenance needs and floor space. Hence there is considerable interest in the development of efficient ventilation systems and in minimizing the emission of pollutants within buildings. The International Energy Agency's (IEA) Air Infiltration and Ventilation Centre (AIVC) has a responsibility for providing a focal point for assessing the energy and air quality implications of ventilation. This paper is aimed at introducing the AIVC's strategy on ventilation research and at outlining the work and results of related IEA annexes. Conclusions stress the need for providing practitioners and policy makers with precise guidance on the energy implications and the role of ventilation in controlling indoor air quality.
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