Investigation and review of microbial pollution in air conditioning systems of public buildings

Based on literature retrieve and field measurements, systematically analyses the current status of microbial pollution in air conditioning systems of pubic buildings in China. Expounds the relationship between microbial pollution and particle contaminant. Studies the significance and existing problems of evaluating the effect on indoor air microbial pollution by biologic particles through air conditioning systems. Provides the viewpoint that cleaning the HVAC system is an effective means of contaminant source control.