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Measurements of occupancy levels in multi-family dwellings-Application to demand controlled ventilation

Author

Summary, in English

The occupancy level of dwellings is an important parameter to know to determine the energy efficiency, energy use and indoor air quality, especially in low-energy buildings where the user-related energy uses, such as household electricity and domestic hot water heating, are significant parts of the energy balance in a building. For residential buildings, there is a lack of occupancy level data, which also needs to be resolved over time, in a way so that both short term and long term variations can be described. As a part of an ongoing study, occupancy levels were measured as building average levels in 18 apartment buildings containing 342 apartments in total with readings every 30 min for more than a year. Averages and standard deviations of occupancy level, and variation in occupancy during the year, week and day respectively are presented. The results show a highly varying occupancy level over time, which indicates the potential of demand controlled ventilation in dwellings. (C) 2011 Elsevier B.V. All rights reserved.

Publishing year

2011

Language

English

Pages

2449-2455

Publication/Series

Energy and Buildings

Volume

43

Issue

9

Document type

Journal article

Publisher

Elsevier

Topic

  • Building Technologies

Keywords

  • Occupancy level
  • Demand controlled ventilation
  • Dwellings
  • Residential

Status

Published

ISBN/ISSN/Other

  • ISSN: 1872-6178