Can Co2 sensors be used in lieu of airflow monitoring for non-densly occupied spaces?
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Schools-2009 IEQc1: Outdoor Air Delivery Monitoring
Can Co2 sensors be used in lieu of airflow monitoring for non-densly occupied spaces?
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Gunnar Hubbard
93 thumbs up
April 29, 2010 - 2:09 pm
If the HVAC systems have limited capabilities to provide OA monitoring system then CO2 differential monitoring is acceptable. There are few conditions that the design has to meet. CO2 sensors should be located in all the spaces and and a CO2 sensor on the OA intake. The CO2 differential between the OA CO2 and the space CO2 cannot exceed 530 PPM. If it exceeds then the system should be capable of increasing the ventilation rate in the spaces to bring down the CO2 differential below 530 PPM. If the design can meet the above criteria then CO2 sensors can be used in lieu of air monitoring system.
Nate Maniktala
BranchPattern18 thumbs up
September 9, 2013 - 5:15 pm
Can you list what CIR or LEED interpretation where this is stated?