I've been looking at Appendix C of ASHRAE 62.1-2010 for a way, and I keep scratching my head. Does anyone how to calculate for the CO2 setpoint to pursue the carbon dioxide monitoring strategy?

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Nabila Valiyaveettil

LEEDuser Basic Member

0 thumbs up

Mon, 02/05/2024 - 14:05

Hi Edgar, I was wondering if you found a solution to this? I am looking for the same, please let me know. Thanks

Afogreen Build

www.afogreenbuild.com

Green Building Consultant

LEEDuser Premium Member

249 thumbs up

Wed, 03/27/2024 - 02:01

Hi all,

Based on the ASHRAE Appendix C: Cs – Co = N/Vo
If the ventilation rate required in a space (Vo) is 7.5 L/s and CO2 generation rate per person (N) is 0.31 L/min (equal to the respiration of a seated person), steady state CO2 concentration (Cs - Co) = 689 ppm or round up to be 700 ppm.
Therefore, the CO2 concentration in the space (Cs) shall not greater than 700 ppm above CO2 concentration in outdoor air (Co).

Best regards – Afogreen Build Team

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