The Aircuity system is known generically as a multi-parameter air quality monitoring system. The system relies on small diameter tubing to move air samples from monitored spaces to a centralized cabinet ("sensor suite") with sensors: temperature, relative humidity, carbon dioxide, VOC, and other parmeters can be measured. The primary benefit of this system is that multiple spaces can share one set of sensors. Calibration routines can be centralized at reduced cost.
WRL recommends using multi-parameter systems for building types requiring precise control of ventialtion air, such as laboratories, hospitals, and museums. Where a building will only require a few carbon dioxide sensors, traditional sensors are still appropriate.