VIP 25: Trends in the Japanese building ventilation market and drivers for changes

Technology in building physics and mechanical engineering for building ventilation may not be totally new area and must have rather long history and much knowledge accumulation of their own.
Nowadays, the distance between the engineering field and society looks becoming shorter, since there are stronger needs from the society than before to reduce the environmental impact of the buildings and to enhance the indoor environmental quality with cost effectiveness, at the same time.
In this paper, re-emerging or new problems which are being faced by experts in Japan are reviewed and introduced.