AA

A. Andrejevic

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A study was performed to investigate the indoor air quality of ventilation ducts, cut or milled directly in the outside thermal insulation of houses as part of a renovation concept. Measurements and subjective evaluations were conducted to study the impact of the polystyrene ventilation ducts, compared to steel, PVC and wooden ducts, on the air quality. Surface roughness of the inside of the polystyrene ducts seems to influence both the measured and the perceived air quality. ...

First results from a survey among students from different universities in the Netherlands

There is a need for making people aware of the importance of indoor environmental quality for their health and comfort. A simple guide to educate yourself was created, together with a questionnaire to make you aware of your own indoor environment. The questionnaire was distributed among four groups of students from three different universities in The Netherlands. The procedure and the first descriptive results are presented. Further analysis will be performed for educational and scientific purposes. ...