IEA EBC annex 53: Total energy use in buildings—Analysis and evaluation methods

Hiroshi Yoshino, Tianzhen Hong, Natasa Nord

Research output: Contribution to journalArticlepeer-review

186 Citations (Scopus)


One of the most significant barriers to achieving deep building energy efficiency is a lack of knowledge about the factors determining energy use. In fact, there is often a significant discrepancy between designed and real energy use in buildings, which is poorly understood but are believed to have more to do with the role of human behavior than building design. Building energy use is mainly influenced by six factors: climate, building envelope, building services and energy systems, building operation and maintenance, occupants’ activities and behavior, and indoor environmental quality. In the past, much research focused on the first three factors. However, the next three human-related factors can have an influence as significant as the first three. Annex 53 employed an interdisciplinary approach, integrating building science, architectural engineering, computer modeling and simulation, and social and behavioral science to develop and apply methods to analyze and evaluate the real energy use in buildings considering the six influencing factors. Outcomes from Annex 53 improved understanding and strengthen knowledge regarding the robust prediction of total energy use in buildings, enabling reliable quantitative assessment of energy-savings measures, policies, and techniques.

Original languageEnglish
Pages (from-to)124-136
Number of pages13
JournalEnergy and Buildings
Publication statusPublished - 2017 Oct 1


  • Energy data definition
  • Energy modeling
  • Energy monitoring
  • Occupant behavior
  • Performance evaluation
  • Real energy use

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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