The behavioral characteristic of office workers use of natural ventilation window

Field survey and questionnaire survey was made to a building with manually operated natural ventilation system to investigate the optimum way to operate the system. From the field survey amount of ventilation air volume was measured and it was known that in day time air was getting out of the noon and in night air was getting in to the noon from bottom of the window; and getting out from the top. It was known that the frequency of the window operation was low. Although from the questionnaire survey it was known that the office workers were well willing the way of manually operating. Furthermore it was indicated that the factor of the window opening is related to outdoor temperature and time. Also by factor analyzing the reason of opening and closing the window it was known that the psychological reasons are similarly important as physiological reasons.