> we already target air changes per hour and CO2 levels to prevent indoor air in an office environment from becoming too stagnant If you ever take a Co2 sensor

> we already target air changes per hour and CO2 levels to prevent indoor air in an office environment from becoming too stagnant If you ever take a Co2 sensor into a standard office environment or even your home, you're in for a bit of a shock. https://www.theguardian.com/environment/2019/jul/08/indoor-carbon-dioxide-levels-could-be-a-health-hazard-scientists-warn https://www.theguardian.com/environment/2019/jul/08/indoor-c...