Finding F-0040

“About 11% of the SINPHONIE classrooms featured mechanical ventilation. In these classrooms the concentration of CO2 was significantly lower than in classrooms without mechanical ventilation (mean values 1,087 ppm and 1,510 ppm, respectively).”

SINPHONIE Schools Indoor Pollution and Health Observatory Network in Europe - Final Report… (2014). Page 52. CKB 0012

Structure

Factor: Carbon dioxide (CO₂)
Intervention: HVAC systems
Population: schoolchildren
Setting: classroom
Study design: European school measurement campaign (SINPHONIE final report) (class 4)
Effect: mean 1087

A Finding records what one published document states, verbatim and with its page. It is not a conclusion of Coridum; see the Claims that build on it.