School HVAC: Continuous IAQ Monitoring

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 nations building stock.This article describes results of a different monitoring techniquecontinuous, unobtrusivemonitoring of air quality at 20-second intervals in 85 rooms of eight schools in Minnesota for the20032004 school year.

Citation: ASHRAE Journal, Vol. 47, No. 5



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