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Intensités de la consommation d’énergie pour les bâtiments non résidentiels.

Energy use intensities for non-residential buildings.

Numéro : pap. 78

Auteurs : BALARAS C. A., DASCALAKI E. G., DROUTSA K. G., et al.

Résumé

There are about 6.2 billion m2 of useful floor space of non-residential (NR) buildings in Europe, consuming 141.2 Mtoe or 13.3% of the total final energy use. The NR building sector is more complex and heterogeneous compared to residential buildings and as a result the available information on the NR building stock is very limited, lacking specific data on building floor areas, construction characteristics, energy use breakdown for different services. National studies and European surveys underline this gap of knowledge and the limited availability of comprehensive data that handicap the efforts to track the energy performance of NR buildings, develop appropriate databases and facilitate building stock modeling. The first part of the paper will present an overview of available information and relevant benchmarks in publically accessible databases in Europe (e.g. Euros-tat, EU building stock observatory, Odysee-Mure) and the United States (e.g. CBECS, ASHRAE). The second part will summarize the calculated energy use inten-sities for NR buildings in Greece, using data from energy performance certificates. The available data is clustered and analyzed for thirty building uses, different cons-truction periods and climate zones, to derive various energy benchmarks. Accordingly, the average primary energy use intensity is 513.4 kWh/m2 and emissi-ons reach 160.7 kgCO2/m2. Indoor sports halls and swimming pools are the most energy intensive facilities, while schools have the lowest energy use, due to their operational patterns. Lighting is the most energy consuming service, followed by cooling, space heating and a very low domestic hot water use.

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Détails

  • Titre original : Energy use intensities for non-residential buildings.
  • Identifiant de la fiche : 30023460
  • Langues : Anglais
  • Sujet : Généralités
  • Source : 48th International HVAC&R Congress and Exhibition.
  • Date d'édition : 06/12/2017

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