Indeklima

https://app.ic-meter.com/icm-mobile2/

login and watch or use data - public API

userid diplom.indeklima@gmail.com

pw: dtudiplom

CO2 can predict number of persons present

https://drive.google.com/file/d/0Bw8Qlf8UKGjUSHRCMXJad2lHSEE/view?usp=sharing