This paper presents a Chinese approach to ventilation and air conditioning, which are important measures needed to improve the indoor air environment of a building. They are important because improper design of a system may degrade the indoor air environment rather than enhance it. This is a situation that might be called sick air conditioning. Also, in circumstances where the outside air is heavily polluted air treatment is necessary to avoid worsening the indoor environment. This paper seeks to highlight the way in which improperly designed ventilation and air conditioning systems may be improved by use of purified air produced by filtration and other means and through avoidance of the build-up of microbial flora.

Keywords:
Indoor air environment, Air quality, Ventilation and air conditioning, Air purification
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© 2001 S. Karger AG, Basel
2001
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