School HVAC: Continuous IAQ Monitoring PDF

Traditionally, monitoring air quality has required substantial resources and intrusion into the space of building occupants. Consequently, typical investigations have involved short-term snapshotmeasurements, and these exist in only a small fraction of the nation’s building stock.This article describes results of a different monitoring technique—continuous, unobtrusivemonitoring of air quality at 20-second intervals in 85 rooms of eight schools in Minnesota for the2003–2004 school year.