Venting About Ventilation

There is much debate within the building science community about how much ventilation is enough.
Building science as a discipline has to deal with a lot of messy, noisy data, entrenched mythologies, and strong tendencies towards confirmation bias.

On the other hand, public health as a discipline has to deal with a lot of messy, noisy data, […]

The Emerging Importance of Carbon Dioxide for Healthy IAQ

Twenty years ago a colleague gave me a portable carbon dioxide (CO2) monitor to use during my training sessions. These sessions were often in small, inadequately ventilated rooms loaded with too many breathing trainees. Tony suggested that I try to determine at what CO2 level I noticed my trainees’ attention started drifting away. After following […]