Parametric-based and automatized GIS application to calculate energy savings of the building envelope in rehabilitated nearly zero energy buildings (nZEB). Case study of Zaragoza, Spain

•Automatized GIS application provides the energy savings of the building envelope in rehabilitated nZEB.•The analysis of existing cadastral data as main database allows us to evaluate saving energy potential in the city with a minimum field work.•Energy savings depend on the building age, housing ty...

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Bibliographic Details
Published in:Energy and buildings 2020-05, Vol.215, p.109922, Article 109922
Main Authors: García-Ballano, Claudio Javier, Ruiz-Varona, Ana, Casas-Villarreal, Luis
Format: Article
Language:English
Subjects:
Building envelopes
Energy conservation
Green buildings
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Summary:•Automatized GIS application provides the energy savings of the building envelope in rehabilitated nZEB.•The analysis of existing cadastral data as main database allows us to evaluate saving energy potential in the city with a minimum field work.•Energy savings depend on the building age, housing type and outer envelope shape.•Saving energy potential vary from 30.6 to 57.9% at the building level.•This methodology contributes to the design of comprehensive renewal policies at different urban scales.
ISSN:0378-7788
1872-6178
DOI:10.1016/j.enbuild.2020.109922