Night ventilation effectiveness in various types of office buildings.

The present paper investigates the potential of night ventilation techniques when applied to full scale office buildings, under different structure, design, ventilation, and climatic characteristics. The approach of this study includes the use of both experimental data and theoretical tools in order to determine the impact and the limitations of night ventilation regarding the thermal behavior of various types of office buildings. Real scale measurements in three buildings under free floating and air conditioning operation have been performed. The cooling potential of night ventilation techniques when applied to buildings, has been experimentally and theoretically studied.