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Wow, this is what I've been advocating for Ontario school boards since August!
The School District of Philadelphia is measuring the outdoor air amount supplied by mechanical #ventilation of every room in every school. THREAD #onted
The School District of Philadelphia is measuring the outdoor air amount supplied by mechanical #ventilation of every room in every school. THREAD #onted
They use 15 CFM per person of outdoor air as the threshold.
Technically, ASHRAE Standard 62.1 is 10 CFM/person plus 0.12 CFM/sqft. If there are 18 persons in a 750 sqft room it works out to the same.
You can view the ASHRAE standards from this page: ashrae.org/technical-reso…
Technically, ASHRAE Standard 62.1 is 10 CFM/person plus 0.12 CFM/sqft. If there are 18 persons in a 750 sqft room it works out to the same.
You can view the ASHRAE standards from this page: ashrae.org/technical-reso…
Back in August, I recommended posting a sign on each school room:
