THE DEFINITION OF VENTILATION REQUIREMENTS IN THE RECENT REVISION OF PORTUGUESE REGULATION

The definition of ventilation requirements for indoor spaces with human occupancy involves a compromise between several factors like indoor air quality (IAQ), thermal comfort, acoustics, energy consumption, and costs of construction, installation and exploitation of the building and its systems. In Portugal, the regulation about energy efficiency and IAQ in buildings is being reviewed. This paper presents the proposal submitted by the authors in the framework of the task force enrolled on the revision process of the regulation, which considers both a prescriptive method and an analytical method