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Sustainability 2018, 10(9), 3159; https://doi.org/10.3390/su10093159

Usability of the EPC Tools for the Profitability Calculation of a Retrofitting in a Residential Building

1
Department of Civil Engineering, Technical University of Denmark, Building 118, Room 243, 2800 Kgs. Lyngby, Denmark
2
Department of Civil Engineering and Energy Technology, OsloMet—Oslo Metropolitan University, Postboks 4 St. Olav plass, 0130 Oslo, Norway
3
Departamento de Diseño y Teoría de la Arquitectura, Universidad del Bío-Bío, Av. Collao 1202, 4051381 Concepción, Chile
*
Author to whom correspondence should be addressed.
Received: 14 July 2018 / Revised: 28 August 2018 / Accepted: 31 August 2018 / Published: 4 September 2018
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Abstract

After the oil crisis in the 70s energy regulation codes were implemented, but a great portion of existing dwellings have not been retrofitted to current requirements. To face this issue several actions were taken in the European Union (EU), among these, the implementation of Energy Performance Certificates (EPC), which include a Recommendation List of Measures (RLMs) to retrofit buildings. Some concerns exist about the lack of confidence on these recommendations. The main objective of this study is to analyze the usefulness of the EPC, answering if it is possible to deliver a realistic financial assessment about renovation strategies using these tools. The study is based on three indicators: Consumption, energy saving variations and profitability. The study is based on a renovation project case study, where simulations and Life Cycle Cost Assessment (LCCA) were performed, in order to identify the different results that EPC’s and an energy efficiency assessment could lead to. The results show important differences in all the concepts evaluated. View Full-Text
Keywords: EPC; labeling; simulation; performance gap; EPBD EPC; labeling; simulation; performance gap; EPBD
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Gonzalez Caceres, A.; Diaz, M. Usability of the EPC Tools for the Profitability Calculation of a Retrofitting in a Residential Building. Sustainability 2018, 10, 3159.

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