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Air Change Rate and Airtightness in Buildings
The balanced fan depressurization method has been modified for application ro high-rise apartment buildings in order to measure the overall air leakage and the wall air leakape of an apartment unit simultaneously. The method requires the use of two sets of fan pressurization apparatus. One is installed at the door of an apartment unit for measuring the air leakage rate of the exterior wall, and a much larger apparatus is installed at an exterior door of the building for measuring the overalldoi:10.1520/stp17217s fatcat:7u7scbae6jasnlz2zuuhit6lue