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Conservation-Compatible Retrofit Solutions in Historic Buildings: An Integrated Approach

Department of Architecture, Built Environment and Construction Engineering (ABC), Politecnico di Milano, 20133 Milano, Italy
Department of the Built Environment, Aalborg University (AAU), 2450 Copenhagen, Denmark
Department of Energy-Efficient Buildings, University of Innsbruck, 6020 Innsbruck, Austria
Department of Energy, Centro de Investigaciones Energéticas, Medioambientales y Tecnológica (CIEMAT), 28040 Madrid, Spain
Bartlett School of Environment, Energy and Resources (BSEER), University College London, London WC1H 0NN, UK
Department for Environment Construction and Design (DACD), Institute for Applied Sustainability to the Built Environment (ISAAC), University of Applied Sciences and Arts of Southern Switzerland (SUPSI), 6850 Mendrisio, Switzerland
Department of Civil Engineering and Architecture, Università di Catania, 95125 Catania, Italy
TECNALIA, Basque Research and Technology Alliance (BRTA), 48160 Derio, Spain
Eurac Research, Institute for Renewable Energy, 39100 Bolzano, Italy
Author to whom correspondence should be addressed.
Academic Editors: Vincenzo Costanzo and Gerardo Maria Mauro
Sustainability 2021, 13(5), 2927;
Received: 28 December 2020 / Revised: 5 February 2021 / Accepted: 18 February 2021 / Published: 8 March 2021
(This article belongs to the Special Issue Advances in Historic Buildings Conservation and Energy Efficiency)
Historic, listed, or unlisted, buildings account for 30% of the European building stock. Since they are complex systems of cultural, architectural, and identity value, they need particular attention to ensure that they are preserved, used, and managed over time in a sustainable way. This implies a demand for retrofit solutions able to improve indoor thermal conditions while reducing the use of energy sources and preserving the heritage significance. Often, however, the choice and implementation of retrofit solutions in historic buildings is limited by socio-technical barriers (regulations, lack of knowledge on the hygrothermal behaviour of built heritage, economic viability, etc.). This paper presents the approach devised in the IEA-SHC Task 59 project (Renovating Historic Buildings Towards Zero Energy) to support decision makers in selecting retrofit solutions, in accordance with the provision of the EN 16883:2017 standard. In particular, the method followed by the project partners to gather and assess compatible solutions for historic buildings retrofitting is presented. It focuses on best practices for walls, windows, HVAC systems, and solar technologies. This work demonstrates that well-balanced retrofit solutions can exist and can be evaluated case-by-case through detailed assessment criteria. As a main result, the paper encourages decision makers to opt for tailored energy retrofit to solve the conflict between conservation and energy performance requirements. View Full-Text
Keywords: compatible retrofit solutions; built heritage; energy efficiency; sustainable preservation compatible retrofit solutions; built heritage; energy efficiency; sustainable preservation
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MDPI and ACS Style

Buda, A.; de Place Hansen, E.J.; Rieser, A.; Giancola, E.; Pracchi, V.N.; Mauri, S.; Marincioni, V.; Gori, V.; Fouseki, K.; Polo López, C.S.; Lo Faro, A.; Egusquiza, A.; Haas, F.; Leonardi, E.; Herrera-Avellanosa, D. Conservation-Compatible Retrofit Solutions in Historic Buildings: An Integrated Approach. Sustainability 2021, 13, 2927.

AMA Style

Buda A, de Place Hansen EJ, Rieser A, Giancola E, Pracchi VN, Mauri S, Marincioni V, Gori V, Fouseki K, Polo López CS, Lo Faro A, Egusquiza A, Haas F, Leonardi E, Herrera-Avellanosa D. Conservation-Compatible Retrofit Solutions in Historic Buildings: An Integrated Approach. Sustainability. 2021; 13(5):2927.

Chicago/Turabian Style

Buda, Alessia; de Place Hansen, Ernst J.; Rieser, Alexander; Giancola, Emanuela; Pracchi, Valeria N.; Mauri, Sara; Marincioni, Valentina; Gori, Virginia; Fouseki, Kalliopi; Polo López, Cristina S.; Lo Faro, Alessandro; Egusquiza, Aitziber; Haas, Franziska; Leonardi, Eleonora; Herrera-Avellanosa, Daniel. 2021. "Conservation-Compatible Retrofit Solutions in Historic Buildings: An Integrated Approach" Sustainability 13, no. 5: 2927.

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