Results of air-change-rate measurements in swiss residential buildings. Luftwechsel Messwerte von ausgewahlten Wohnbauten in der Schweiz

Reports results of studies conducted in Switzerland in small apartment buildings. Air change rates were measured in ten different apartment buildings using N2O as a tracer gas. Measurements were taken for various wind conditions andtemperature differences and with the windows partly open. Finds that ventilation rate increased by a factor of 4 when the windows on one facade were opened by only a few centimetres.