Life-cycle assessment of near zero energy buildings (NZEB) in comparison with regular new buildings

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Abstract

The EU Horizon 2020 (https://ec.europa.eu/programmes/horizon2020/en) research project “Solution
sets for the Cost reduction of new Nearly Zero-Energy Buildings – CoNZEBs” (www.conzebs.eu)
started in June 2017. CoNZEBs will identify and assess technology solution sets that lead to
significant cost reductions of new Nearly Zero-Energy Buildings in four EU member states:
Denmark, Germany, Italy and Slovenia. The focus of the project is on multi-family houses. The
project will start by setting baseline costs for conventional new buildings, currently available NZEB
and buildings that go beyond the NZEB level. The CoNZEBs project will end ultimo 2019.
The project will use the basic characteristics of NZEB to first identify technologies that can be made
more cost-efficient if applied to NZEB. Secondly, these technologies will be combined into costefficient
solution sets or concepts for NZEB. The technology solution sets will include approaches
that can reduce costs for installations or generation systems, pre-fabrication and construction
acceleration, local low temperature district heating including renewable energy systems (RES), and
many more.
All solution sets will be assessed regarding cost savings using life cycle costs (LCC) analysis, energy
performance and applicability in multi-family houses. A life cycle environmental impact assessment
(LCA) of different building levels and NZEB using the solution sets will provide a longer-term
perspective. The results of the LCC and LCA analyses will be compared to those obtained for
conventional buildings built according to current building regulations and conventionally built NZEB.
The paper presents the status of this work, which includes the definition of reference buildings, the
identified solution sets and the first LCC and LCA calculations performed with ASCOT_LCA
Original languageEnglish
Title of host publicationConference Proceedings : 3rd International Conference on Applied Mineralogy & Advanced Materials - MMS2018
Number of pages6
PublisherDigilabs
Publication date2018
Pages12-17
DOIs
Publication statusPublished - 2018
Event3rd International Conference on Applied Mineralogy & Advanced Materials - Polytechnic University of Bari, Bari, Italy
Duration: 24 Jul 201826 Jul 2018
Conference number: 3
https://www.mms.events/

Conference

Conference3rd International Conference on Applied Mineralogy & Advanced Materials
Number3
LocationPolytechnic University of Bari
CountryItaly
CityBari
Period24/07/201826/07/2018
Internet address
SeriesProscience
Volume6
ISSN2283-5954

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Cite this

Mørck, O., Thomsen, K. E., & Wittchen, K. B. (2018). Life-cycle assessment of near zero energy buildings (NZEB) in comparison with regular new buildings. In Conference Proceedings: 3rd International Conference on Applied Mineralogy & Advanced Materials - MMS2018 (pp. 12-17). Digilabs. Proscience, Vol.. 6 https://doi.org/10.14644/mms.2018.003