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Life cycle energy use of a zero-energy house

Eline Himpe UGent, Leen Trappers UGent, Marlies Van Holm, Arnold Janssens UGent, Marc Delghust UGent, Wim Debacker and Jan Moens UGent (2012) i-SUP 2012 : Innovation for Sustainable Production. p.6-10
abstract
Taking the building sector’s huge impact on the environment into consideration, the European Union aims at ‘nearly zero-energy’ houses by 2021 through strict requirements for the (non-renewable) operational energy use. Although it is not included in current calculation methods, the life cycle energy use of buildings is an aspect of growing interest, encompassing both the operational energy use throughout the building service life and the life cycle embodied energy and end-of-life energy in building materials. This contribution examines the life cycle energy use of a zero-energy case study house by means of a life cycle energy assessment and contains a parameter analysis of its different components, such as the building construction and building services. The results show that, during its entire lifecycle, a zero-energy house uses 2 to 4 times less non-renewable energy than a passive house with identical floor plan and 3 to 5 times less than a house built according to standard building practice in Belgium. Secondly, the embodied energy in a zero-energy house with a passive building envelope proves to be equal to that in a zero-energy house with a standard building envelope. Thus, passive house requirements are not considered an essential criterion for zero-energy houses from life cycle energy point of view. On the other hand, the study reveals that the choice of building construction materials and building services are determining factors for the life cycle energy use, resulting in energy savings up to 35 kWh/year/m² for zero-energy houses.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
zero-energy, passive house, building materials, Life cycle assessment, buildings, embodied energy, renewable energy supply
in
i-SUP 2012 : Innovation for Sustainable Production
editor
Carolin Spirinckx and Leen Govaerts
pages
6 - 10
publisher
VITO
place of publication
Mol, Belgium
conference name
Innovation for Sustainable Production : i-SUP 2012
conference location
Brugge, Belgium
conference start
2012-05-06
conference end
2012-05-09
language
English
UGent publication?
yes
classification
C1
copyright statement
I have retained and own the full copyright for this publication
id
2153024
handle
http://hdl.handle.net/1854/LU-2153024
date created
2012-06-14 10:45:58
date last changed
2012-06-25 13:03:56
@inproceedings{2153024,
  abstract     = {Taking the building sector{\textquoteright}s huge impact on the environment into consideration, the European Union aims at {\textquoteleft}nearly zero-energy{\textquoteright} houses by 2021 through strict requirements for the (non-renewable) operational energy use. Although it is not included in current calculation methods, the life cycle energy use of buildings is an aspect of growing interest, encompassing both the operational energy use throughout the building service life and the life cycle embodied energy and end-of-life energy in building materials. This contribution examines the life cycle energy use of a zero-energy case study house by means of a life cycle energy assessment and contains a parameter analysis of its different components, such as the building construction and building services. The results show that, during its entire lifecycle, a zero-energy house uses 2 to 4 times less non-renewable energy than a passive house with identical floor plan and 3 to 5 times less than a house built according to standard building practice in Belgium. Secondly, the embodied energy in a zero-energy house with a passive building envelope proves to be equal to that in a zero-energy house with a standard building envelope. Thus, passive house requirements are not considered an essential criterion for zero-energy houses from life cycle energy point of view. On the other hand, the study reveals that the choice of building construction materials and building services are determining factors for the life cycle energy use, resulting in energy savings up to 35 kWh/year/m{\texttwosuperior} for zero-energy houses.},
  author       = {Himpe, Eline and Trappers, Leen and Van Holm, Marlies and Janssens, Arnold and Delghust, Marc and Debacker, Wim and Moens, Jan},
  booktitle    = {i-SUP 2012 : Innovation for Sustainable Production},
  editor       = {Spirinckx, Carolin and Govaerts, Leen },
  keyword      = {zero-energy,passive house,building materials,Life cycle assessment,buildings,embodied energy,renewable energy supply},
  language     = {eng},
  location     = {Brugge, Belgium},
  pages        = {6--10},
  publisher    = {VITO},
  title        = {Life cycle energy use of a zero-energy house},
  year         = {2012},
}

Chicago
Himpe, Eline, Leen Trappers, Marlies Van Holm, Arnold Janssens, Marc Delghust, Wim Debacker, and Jan Moens. 2012. “Life Cycle Energy Use of a Zero-energy House.” In i-SUP 2012 : Innovation for Sustainable Production, ed. Carolin Spirinckx and Leen Govaerts, 6–10. Mol, Belgium: VITO.
APA
Himpe, E., Trappers, L., Van Holm, M., Janssens, A., Delghust, M., Debacker, W., & Moens, J. (2012). Life cycle energy use of a zero-energy house. In C. Spirinckx & L. Govaerts (Eds.), i-SUP 2012 : Innovation for Sustainable Production (pp. 6–10). Presented at the Innovation for Sustainable Production : i-SUP 2012, Mol, Belgium: VITO.
Vancouver
1.
Himpe E, Trappers L, Van Holm M, Janssens A, Delghust M, Debacker W, et al. Life cycle energy use of a zero-energy house. In: Spirinckx C, Govaerts L, editors. i-SUP 2012 : Innovation for Sustainable Production. Mol, Belgium: VITO; 2012. p. 6–10.
MLA
Himpe, Eline, Leen Trappers, Marlies Van Holm, et al. “Life Cycle Energy Use of a Zero-energy House.” i-SUP 2012 : Innovation for Sustainable Production. Ed. Carolin Spirinckx & Leen Govaerts. Mol, Belgium: VITO, 2012. 6–10. Print.