CO2, 인지능력, 환기, 그리고 나쁜 방을 진짜로 고치는 법. 군더더기 없이.
There are two types of CO2 sensors in monitors. One directly measures CO2. The other guesses from VOCs. Here is what that actually means, and why it matters.
읽기 →Which CO2 monitor should you actually buy? The one rule that matters, the picks by budget, and the cheap ones to avoid.
읽기 →The afternoon crash in a packed meeting room usually is not the people, the lunch, or the Monday. It is the CO2.
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