In natural ventilation, the airflows stream in opposite directions. One enters the room while the other leaves it. A neutral zone exists where pressure difference between the inside of the room and the outdoor environment is equal to zero. This paper deals with an experiment conducted with a model of a room in order to investigate the influence of the height of the neutral zone on thermal comfort.

Describes the new regulations concerning the energy efficiency of buildings and ventilation requirements that have been adopted for Ireland.

The aim of this workshop organised by BBRI was to identify recent developments in ventilation systems/strategies and to analyse how such innovative systems are at present treated in regulations and how they could be better treated in the future.

This thesis was based on numerous experiments operated in a full-size cell in order to study ventilation efficiency and thermal comfort associated with several positions of air inlet and outlet, taking into account different sources of disturbance (heating systems, occupants, etc.).

The research in this thesis aims to provide information about the uncertainty attached to the prediction of thermal comfort in buildings, in the context of the specific case of a naturally ventilated office building.

A new room model has been developed and validated in order to be used for the assessment of HVAC sensors, assuming non-homogeneous room conditions and distinguishing between different sensor positions. .

This CD gives information to understand and apply the new French Thermal Regulations RT 2000, which are applicable to new residential and commercial buildings and which mainly concern the calculation of energy consumption of buildings and comparison with reference values.
The CD includes the official texts of the regulations, a slide presentation of the regulations, software tools enabling the user to make sensitivity analysis of the calculation results to various parameters of the building.

Describes the testing methods of filters intended to be used in ventilation systems, and their classification according to their performance.

This article describes a new system developed and patented by a Belgian firm for air purification, using photocatalysis (UVA radiation + titania dioxide) for VOC and odour removal. Results from degradation tests are presented.

This report describes the actions which were operated since the end of 1999 for setting up the French Permanent Survey on Indoor Air Quality.