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  4. Performance analysis of commercial buildings - results and experiences from the German demonstration program "Energy Optimized Building (EnOB)"
 
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2014
Conference Paper
Titel

Performance analysis of commercial buildings - results and experiences from the German demonstration program "Energy Optimized Building (EnOB)"

Abstract
With the objective of monitoring and building performance analysis the German research initiative 'Research for Energy Optimized Building (EnOB)' has funded more than 70 buildings so far. The buildings comprise a large variety of new as well as refurbished examples of building types in the residential and commercial sectors. An important feature of all buildings was the integration of energy efficiency technologies into the architectural concept. The focus of this paper is on performance evaluation of non-residential buildings, mostly office buildings, which are characterized by passive cooling strategies. The monitoring revealed very low total site energy consumptions outperforming the reference values in the German building code by far. First approaches for net zero energy concepts were investigated as well. A thorough analysis showed that the investment costs of energy-efficient buildings were in the same range as the costs of conventional buildings. Surveys in the buildings discovered that high energy efficiency does not necessarily coincide with higher occupant satisfaction. A significant correlation was found between indoor temperature and air quality and the occupants' possibilities to control them individually.
Author(s)
Wagner, A.
Lützkendorf, T.
Voss, K.
Spars, G.
Maas, A.
Herkel, S.
Hauptwerk
2nd International Conference on Building Energy and Environment, COBEE 2012. Special Issue
Konferenz
International Conference on Building Energy and Environment (COBEE) 2012
Thumbnail Image
DOI
10.1016/j.enbuild.2013.09.047
Language
English
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Fraunhofer-Institut für Solare Energiesysteme ISE
Tags
  • Thermische Anlagen un...

  • Energieeffiziente Geb...

  • Energiekonzepte für G...

  • performance

  • energy efficiency

  • Life Cycle Cost

  • satisfaction

  • zero energy buildings...

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