Ventilation rates in schools
Clements-Croome, D. J., Awbi, H. B. and Williams, M. (2005) Ventilation rates in schools. In: Yang, X., Zhao, B. and Zhao, R. (eds.) Indoor Air 2005: Proceedings of the 10th International Conference on Indoor Air Quality and Climate, Vols 1-5. Tsinghua University Press, Beijing, pp. 3223-3227. ISBN 9787894948304
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Research shows that poor indoor air quality in school buildings can cause a reduction in the students' performance assessed by short term computer based tests; whereas good air quality in classrooms can enhance children's concentration and also teachers' productivity. Investigation of air quality in classrooms helps us to characterise pollutant levels and implement corrective measures. Outdoor pollution, ventilation equipment, furnishings, and human activities affect indoor air quality. In school classrooms the occupancy density is high (1.8 to 2.4 m(2)/person) compared to offices (10 m(2) /person). Ventilation systems expend energy and there is a trend to save energy by reducing ventilation rates. We need to establish the minimum acceptable level of fresh air required for the health of the occupants. This paper describes a project which will aim to investigate the effect of indoor air quality and ventilation rates on pupils' performance and health using psychological tests. The aim is to recommend suitable ventilation rates for classrooms and examine the suitability of the air quality guidelines for classrooms.