Indoor environment in a digital future - Master thesis - s154397 - s153767 (1)

List of Tables
2.1 CO2 criteria and guidelines [16][29] [31] . . . . . . . . . . . . . . . . . . . . . . 13
2.2 WHO guidelines for particulate matters [34] . . . . . . . . . . . . . . . . . . . . 13
2.3 TVOC guidelines from the German Federal Environmental Agency [37] . . . . . . 14
2.4 Limit values for air pollution and guidelines [38] [31] . . . . . . . . . . . . . . . . 14
2.5 Design criteria for temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.6 Design criteria for humidity in occupied spaces . . . . . . . . . . . . . . . . . . 15
2.7 Continuous sound levels from background noise [15] . . . . . . . . . . . . . . . 16
2.8 Lighting in offices [15][49] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.9 Overview of IEQ guidelines and related symptoms . . . . . . . . . . . . . . . . . 18
3.1 Certification and benchmarking tools . . . . . . . . . . . . . . . . . . . . . . . 29
3.2 Occurrence of parameters within the four IEQ categories . . . . . . . . . . . . . 32
3.3 Average accuracy for investigated devices with known accuracy . . . . . . . . 33
3.4 Market research on IoT devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.1 Results from checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.2 Temperature Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.3 CO2 Calculations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
5.1 Key numbers from the 24h measurements . . . . . . . . . . . . . . . . . . . . . 61
5.2 Grading distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.3 Potential productivity increase . . . . . . . . . . . . . . . . . . . . . . . . . . . 77