Life Cycle Cost Analysis of a Multi-Storey Residential Net Zero Energy Building in Denmark

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

127 Citationer (Scopus)

Resumé

It is well recognized that in the long run, the implementation of energy efficiency measures is a more cost-optimal solution in contrast to taking no action. However, the Net ZEB concept raises a new issue: how far should we go with energy efficiency measures and when should we start to apply renewable energy technologies? This analysis adopts the LCC methodology and uses a multi-family Net ZEB to find the answer to this question. Moreover, it looks at the issue from the building owner’s perspective, hence it should be seen as a private economy analysis. The study includes three levels of energy demand and three alternatives of energy supply systems: (1) photovoltaic installation with photovoltaic/solar thermal collectors and an ambient air/solar source heat pump; (2) photovoltaic installation with a ground-source heat pump; (3) photovoltaic installation with district heating grid. The results indicate that in order to build a cost-effective Net ZEB, the energy use should be reduced to a minimum leaving just a small amount of left energy use to be covered by renewable energy generation. Moreover, from the user perspective in the Danish context, the district heating grid is a more expensive source of heat than a heat pump for the Net ZEB.
OriginalsprogEngelsk
TidsskriftEnergy
Vol/bind36
Udgave nummer9
Sider (fra-til)5600-5609
Antal sider10
ISSN0360-5442
DOI
StatusUdgivet - 2011

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Life cycle
District heating
Energy efficiency
Costs
Pumps
Geothermal heat pumps
Hot Temperature
Air

Emneord

  • Zero Energy Buildings
  • Net Zero Energy Buildings
  • Life Cycle Cost (LCC) Analysis
  • Private Economy Analysis
  • Residential Buildings
  • Distict Heating

Citer dette

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Life Cycle Cost Analysis of a Multi-Storey Residential Net Zero Energy Building in Denmark. / Marszal, Anna Joanna; Heiselberg, Per.

I: Energy, Bind 36, Nr. 9, 2011, s. 5600-5609.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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