Measurement techniques for air change and air penetration of residential buildings Messmethoden zur Erfassung des Luftwechsels und der Luftdurchlassigkeit von Wohnbauten.

Defines air change and air penetration. Describes the differential pressure method, the infrasound method, qualitative judgement methods, and acoustic measurement devices for determining air penetration. Explains procedures todetermine air change - the rate of decay method, the constant concentration method, and the constant emission method.