Natural ventilation and infiltration are used for pollutant dilution and providing ‘fresh’ outdoor air supply in many buildings, in particular in residential buildings. Questions are often asked when natural ventilation should be encouraged. A balance-poi
When to open windows: a concept of balance-point outdoor concentration of particles
Healthy Buildings 2003 - Proceedings 7th International Conference (7th-11th December 2003) - National University of Singapore - Vol. 2, pp 159-164, 2 Tab., 1 fig., 12 Ref.