Measurement and simulation of the IAQ impact of particle air cleaners in asingle-zone building

This article describes the first phase of an effort to evaluate the ability of multizone airflow and pollutant transport models to predict the impact of residential IAQ control technologies, Measurements of the performance of several particulate air cleaning devices and related particle transport pa rameters were performed in a one-room test house. These measurements were u sed to calculate building air change rates, particle deposition rates and p enetration factors, and air cleaner removal efficiencies. Two separate 24 h tests were! performed with two of the tested air cleaners, and the measure d air change rates and particle concentrations were compared to predicted v alues obtained with the CONTAM model. For both tests, simulated 24 h averag e air change rates were within 5% of measured air change rates and simulate d 24 h average particle concentrations were within 30% of measurements for all particle sizes.