Does anybody have advice on how often a CO2 monitor needs to be calibrated and what steps are taken during this process. The use of the monitor is to vary the ventilation depending on the occupancy of a gymnasium.
Another HVAC Consultant claims that a CO2 sensor in the return air for a multi-zone AHU satisfies the intent of ASHRAE 62.1 for a school. My claim is that the proper ventilation air must be provided to each classroom (as reduced per ASHRAE 62.1 for multi-zones) and that meeting this with a...
