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Energy renovation of an office building using a holistic design approach

Bournas, Iason LU ; Abugabbara, Marwan LU orcid ; Balcerzak, Antoni ; Dubois, Marie-Claude LU and Javed, Saqib LU (2016) In Journal of Building Engineering 7(September). p.194-206
Abstract
This paper presents a holistic approach to perform energy renovations of office buildings. A real case study is used to demonstrate how different software can be used to facilitate the work of architects and engineers during different design stages. Initially, the moisture safety of the building is coupled to its energy performance to define the optimum insulation level. The new interior layout is based on an initial daylight study, rather than on architectural intuition. On a second stage, shading and natural ventilation are studied to eradicate any cooling demand, while the interdependence between heating energy and daylight is assessed for the use of light-wells. To demonstrate the trade-offs between visual control and electrical... (More)
This paper presents a holistic approach to perform energy renovations of office buildings. A real case study is used to demonstrate how different software can be used to facilitate the work of architects and engineers during different design stages. Initially, the moisture safety of the building is coupled to its energy performance to define the optimum insulation level. The new interior layout is based on an initial daylight study, rather than on architectural intuition. On a second stage, shading and natural ventilation are studied to eradicate any cooling demand, while the interdependence between heating energy and daylight is assessed for the use of light-wells. To demonstrate the trade-offs between visual control and electrical lighting, different shading systems are examined for a cellular office. Finally, two alternate HVAC systems are analyzed to investigate whether passive standards can be achieved with an all-air system and/or a hydronic system. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Low energy office, Renovation, Moisture safety, HVAC
in
Journal of Building Engineering
volume
7
issue
September
pages
194 - 206
publisher
Elsevier
external identifiers
  • scopus:84977138950
  • wos:000397386000020
ISSN
2352-7102
DOI
10.1016/j.jobe.2016.06.010
language
English
LU publication?
yes
id
9441aee1-ec93-4d8e-841a-0c5f8f0fcb0e
date added to LUP
2016-07-02 01:25:55
date last changed
2022-03-01 02:33:31
@article{9441aee1-ec93-4d8e-841a-0c5f8f0fcb0e,
  abstract     = {{This paper presents a holistic approach to perform energy renovations of office buildings. A real case study is used to demonstrate how different software can be used to facilitate the work of architects and engineers during different design stages. Initially, the moisture safety of the building is coupled to its energy performance to define the optimum insulation level. The new interior layout is based on an initial daylight study, rather than on architectural intuition. On a second stage, shading and natural ventilation are studied to eradicate any cooling demand, while the interdependence between heating energy and daylight is assessed for the use of light-wells. To demonstrate the trade-offs between visual control and electrical lighting, different shading systems are examined for a cellular office. Finally, two alternate HVAC systems are analyzed to investigate whether passive standards can be achieved with an all-air system and/or a hydronic system.}},
  author       = {{Bournas, Iason and Abugabbara, Marwan and Balcerzak, Antoni and Dubois, Marie-Claude and Javed, Saqib}},
  issn         = {{2352-7102}},
  keywords     = {{Low energy office; Renovation; Moisture safety; HVAC}},
  language     = {{eng}},
  month        = {{06}},
  number       = {{September}},
  pages        = {{194--206}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Building Engineering}},
  title        = {{Energy renovation of an office building using a holistic design approach}},
  url          = {{http://dx.doi.org/10.1016/j.jobe.2016.06.010}},
  doi          = {{10.1016/j.jobe.2016.06.010}},
  volume       = {{7}},
  year         = {{2016}},
}