Skip navigation 
Previous Page
THE ENERGY FUTURE OF EXISTING BUILDINGS IN BRUSSELS: BETWEEN PRESERVATION AND PERFORMANCE
an understanding of the building's behaviour in a summer comfort configuration, especially in a scenario of global warming and more frequent summer heat waves.
In order to use this thermal simulation tool for old or existing buildings, it is necessary to know what input data are available. Are they sufficiently reliable? Are significant errors produced when using the default values?
The first stage in the technique involved collecting information on the two dwellings presented below. Certain information is obtained more easily than others. We realise that in the current case, where the modellers are neither a specialised consultancy firm nor an architectural firm specializing in the area, accessing data soon becomes complicated. Our work involved preparing models with the necessary input data and
Fig . 1
Two-family house in Noisiel (France). Early 20th century. The street-side façade is west facing (© Cerema).
Fig . 2
Parisian apartment. Late 19th/early 20th century (© Cerema).
Fig. 3
Typical input uncertainties (source: Cerema).
57
