Environmental chamber testing and practical assessment of PM2.5 removal effect of air cleaners

Tests and analyses the performance of eight air cleaners for PM2.5 removal in an environmental chamber. Tests the PM2.5 removal effect in a practical dorm environment with a typical air cleaner. Studies the subjective assessment of the actual effect of air cleaners by questionnaire survey method. The results show that household air cleaners have obvious effect on removing PM2.5 in both chamber and practical environment, the predicted dissatisfaction (PD) reduces from 83.8% to 16.2% for particle pollution and from 77.5% to 7.0% for indoor air quality.