Worksheet · Workplace
Air quality outweighs the energy line
Cutting CO₂ from 2,100 ppm to 900 ppm predicts a 12 per cent gain in work speed, and staff cost runs 100 to 200 times a building's energy cost.
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The evidence behind this sheet
12 factorsheets carry the studies for and against, each with how firm that evidence is.
- CO₂ Concentration (ppm) probably lowers information processing.
- Ventilation rate raises information processing.
- Ventilation rate probably raises productivity.
- CO₂ Concentration (ppm) probably lowers comfort.
- Ventilation rate probably raises comfort.
- CO₂ Concentration (ppm) probably raises fatigue.
- The evidence is very uncertain whether CO₂ Concentration (ppm) affects heart rate.
- CO₂ Concentration (ppm) probably lowers productivity.
- CO₂ Concentration (ppm) probably lowers sleep quality.
- Ventilation rate probably raises sleep quality.
- Ventilation rate probably lowers fatigue.
- Ventilation rate lowers absenteeism.