Indoor Air Quality: how and why should it be measured? What is required by the regulation? How to act?

Indoor Air Quality: how and why should it be measured? What is required by the regulation? How to act?
Dalkia is helping the Valenciennes Hospital to set up ambient temperature monitoring in its buildings.
How to use IoT networks and sensors in SEVESO sites or ATEX zones in complete safety? Adeunis answers you.