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Materials
Volume 14
Issue 5
10.3390/ma14051226
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Article

Energy Performance Assessment of Innovative Building Solutions Coming from Construction and Demolition Waste Materials

by
Beatriz Fraga-De Cal
1,*,
Antonio Garrido-Marijuan
1,
Olaia Eguiarte
1,2,
Beñat Arregi
1,
Ander Romero-Amorrortu
1,
Giulia Mezzasalma
3,
Giovanni Ferrarini
4 and
Adriana Bernardi
5
1
Tecnalia, Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain
2
Enedi Research Group, Thermal Engineering Department, University of the Basque Country (UPV/EHU), 48013 Bizkaia, Spain
3
Research and Environmental Devices (RED srl), Viale dell’Industria, 58E, 35129 Padua, Italy
4
Construction Technology Institute, CNR National Research Council of Italy, Corso Stati Uniti 4, 35127 Padua, Italy
5
National Research Council–Institute of Atmospheric Sciences and Climate (CNR-ISAC), Corso Stati Uniti 4, 35127 Padova, Italy
*
Author to whom correspondence should be addressed.
Materials 2021, 14(5), 1226; https://doi.org/10.3390/ma14051226
Submission received: 25 January 2021 / Revised: 1 March 2021 / Accepted: 2 March 2021 / Published: 5 March 2021
(This article belongs to the Special Issue Innovative Materials in the Building Industry: Reducing Building Energy and Minimising Environmental Impacts)
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Abstract

Prefabricated solutions incorporating thermal insulation are increasingly adopted as an energy conservation measure for building renovation. The InnoWEE European project developed three technologies from Construction and Demolition Waste (CDW) materials through a manufacturing process that supports the circular economy strategy of the European Union. Two of them consisted of geopolymer panels incorporated into an External Thermal Insulation Composite System (ETICS) and a ventilated façade. This study evaluates their thermal performance by means of monitoring data from three pilot case studies in Greece, Italy, and Romania, and calibrated building simulation models enabling the reliable prediction of energy savings in different climates and use scenarios. Results showed a reduction in energy demand for all demo buildings, with annual energy savings up to 25% after placing the novel insulation solutions. However, savings are highly dependent on weather conditions since the panels affect cooling and heating loads differently. Finally, a parametric assessment is performed to assess the impact of insulation thickness through an energy performance prediction and a cash flow analysis.
Keywords: building retrofitting; energy conservation measures; construction and demolition waste; building model calibration building retrofitting; energy conservation measures; construction and demolition waste; building model calibration

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MDPI and ACS Style

Fraga-De Cal, B.; Garrido-Marijuan, A.; Eguiarte, O.; Arregi, B.; Romero-Amorrortu, A.; Mezzasalma, G.; Ferrarini, G.; Bernardi, A. Energy Performance Assessment of Innovative Building Solutions Coming from Construction and Demolition Waste Materials. Materials 2021, 14, 1226. https://doi.org/10.3390/ma14051226

AMA Style

Fraga-De Cal B, Garrido-Marijuan A, Eguiarte O, Arregi B, Romero-Amorrortu A, Mezzasalma G, Ferrarini G, Bernardi A. Energy Performance Assessment of Innovative Building Solutions Coming from Construction and Demolition Waste Materials. Materials. 2021; 14(5):1226. https://doi.org/10.3390/ma14051226

Chicago/Turabian Style

Fraga-De Cal, Beatriz, Antonio Garrido-Marijuan, Olaia Eguiarte, Beñat Arregi, Ander Romero-Amorrortu, Giulia Mezzasalma, Giovanni Ferrarini, and Adriana Bernardi. 2021. "Energy Performance Assessment of Innovative Building Solutions Coming from Construction and Demolition Waste Materials" Materials 14, no. 5: 1226. https://doi.org/10.3390/ma14051226

APA Style

Fraga-De Cal, B., Garrido-Marijuan, A., Eguiarte, O., Arregi, B., Romero-Amorrortu, A., Mezzasalma, G., Ferrarini, G., & Bernardi, A. (2021). Energy Performance Assessment of Innovative Building Solutions Coming from Construction and Demolition Waste Materials. Materials, 14(5), 1226. https://doi.org/10.3390/ma14051226

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