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Associations between NO2 exposure and various respiratory conditions and symptoms have already been reported. The objective of that study was to characterize indoor air quality in Boston public housing apartments, many of which were homes of asthmatic children, in that aim the distribution of AER (air exchange rates) was examined and compared to those specified by ASHRAE in their new residential standard. Multivariate models were used to examine the relationship between AERs and indoor NO2 levels.

In practice, the commonly used Dutch design criterion for long-term thermal comfort in buildings-the weighted temperature exceeding hours method--often leads to confusion.The criterion is hard to understand for non-experts, and many doubt the validity of the present criterion : how sure are we that meeting the requirements really means that future occupants will be comfortable?

This paper summarises the adaptive approach to thermal comfort and analyses the data collected inSCATs surveys of thermal comfort throughout Europe. These results are used to suggest acceptable bands of temperature in heated or cooled and in free-running buildings. The results suggest that comfort temperatures in real buildings cannot be accurately predicted because of multiple differences between individuals, buildings and cultures in different countries.

This paper deals with the velocity of the airflow around human body from the outlet of the desktop personal air-conditioning. That device can provide more high quality air for occupant than other personal air-conditioning system, though the air velocity is always high. CFD simulations aiming at reducing the draft have been made.

For that study, a workstation simulating a typical office desk with desktop-based TAC system was established in a Controlled Environment Chamber. The thermal environment created by different properties of supply air and ambient temperature was measured and analyzed.

For that study, a field survey was carried out in a natural ventilation building in Zhenjiang to analyze the relation between indoor environment, thermal comfort and productivity. Their conclusion is that keeping good indoor air quality may be the best way to maintain the higher productivity in factories.

The indoor air quality and thermal comfort in a high school classroom in Tianjin, China.was studied in order to provide the students a more comfortable environment. 147 of them were chosen to investigate their thermal comfort in naturally ventilated classrooms. At the same time indoor climate parameters were measured. 89 % of the subjects were satisfied about the indoor air thermal environment. The results were compared to those of other similar field studies.

This article explains the requirements of the new European EN 13779 standard (ventilation for non-residential buildings : Performance requirements for ventilation and room air-conditioning systems) compared to the requirements of the previous German DIN standard (DIN 1946 - Part 2 - ventilation of rooms sanitary requirements) which has been replaced by the EN standard.

Human perception of air movement depends , on the one hand , on personal factors such as overall thermal sensation and activity level and on the second hand, on environmental factors including air velocity, air velocity fluctuations and air temperature. In this paper the relation between environmental factors and draught discomfort is described, thanks to the draught model.. The authors have studied several articles to analyse the different factors affecting human perception of air movement.

The influence of cold air distribution on indoor heat environment was studied in this paper. In an air conditioning system, the air-flow rate can be reduced if the temperature of supplied air is lower than traditional, it allows the reduction of energy consumption. A comparison of the experimental measurements with the theoritical analysis was made.