Field measurements of air quality controlled ventilation

Reviews some of the results of the project "The requirement-adapted ventilation system", which is part of an extensive research project "Indoor air quality and ventilation requirements" begun in Finland in 1983. Deals with the results of field measurements in which the relationship between CO2, particles and combustible gases in various buildings were measured and analysed. Also presents results of tests with an air quality-controlled ventilation system in one building.