Poor IAQ can potentially lead to sick building syndrome (SBS) particularly in offices.
Daily productivity can suffer as a result of SBS which is justification for investing in effective HVAC and more advanced sensors than just temperature and humidity.
To ensure that HVAC is working effectively and not suffering from filter breakthrough e.g. due to poor maintenance, a photoionisation detector (PID) can be used to detect VOC concentration pre- and post-filter as well as spatially throughout the building.
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