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Bracke, W, Delghust, M, Laverge, J and Janssens, A (2019) Building energy performance: sphere area as a fair normalization concept. Building Research & Information, 47(05), 549–66.

  • Type: Journal Article
  • Keywords: buildings; energy performance indicator; form efficiency; geometry; normalization; primary energy use;
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613218.2018.1467703
  • Abstract:
    Residential building energy performance indicators are compared with a different approach for the normalization of the characteristic yearly primary energy use. The purpose is to analyse which approach results in a fair assessment of more compact, energy-efficient building geometries, and of smaller building size. A normalization by floor area is shown to result in a poorer energy performance rating for smaller buildings. The notional building approach, as recently introduced in various countries, does not lead to a fair assessment of efficient geometries. Furthermore, the choice of reference characteristics to calculate the energy performance rating has a different impact on buildings with different characteristics. An average building approach is introduced as an improvement of the notional building approach. Form-efficient buildings are found to achieve a lower energy performance rating, but the choice of the reference characteristics is still present to a limited extent. As a second alternative, it is proposed to normalize the energy use by the sphere-area approach: the area of a sphere with the same volume as the rated building. This method leads to a fair assessment of form-efficient buildings and creates an incentive for more efficient building geometries and typologies.

Camacho-Montano, S C, Wagner, A, Erhorn-Kluttig, H, Mumovic, D and Summerfield, A (2019) Clearing the air on EU guidance projects for school buildings. Building Research & Information, 47(05), 624–34.

Gunay, H B, Shen, W and Yang, C (2019) Text-mining building maintenance work orders for component fault frequency. Building Research & Information, 47(05), 518–33.

McElroy, D J and Rosenow, J (2019) Policy implications for the performance gap of low-carbon building technologies. Building Research & Information, 47(05), 611–23.

Ozkan, A, Kesik, T, Yilmaz, A Z and O’Brien, W (2019) Development and visualization of time-based building energy performance metrics. Building Research & Information, 47(05), 493–517.

Prieto, A J, Vásquez, V, Silva, A, Horn, A, Alejandre, F J and Macías-Bernal, J M (2019) Protection value and functional service life of heritage timber buildings. Building Research & Information, 47(05), 567–84.

Smale, R, Spaargaren, G and van Vliet, B (2019) Householders co-managing energy systems: space for collaboration?. Building Research & Information, 47(05), 585–97.

Stender, M and Walter, A (2019) The role of social sustainability in building assessment. Building Research & Information, 47(05), 598–610.

Weijs-Perrée, M, van de Koevering, J, Appel-Meulenbroek, R and Arentze, T (2019) Analysing user preferences for co-working space characteristics. Building Research & Information, 47(05), 534–48.