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Volume 12
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10.3390/buildings12111994
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Article

Assessment of the Retrofit Strategies on Thermal Insulation Applied in Buildings Located on the Southern Border of the EU: The Case of the Canary Islands

by
Eduardo González-Díaz
1,
José Miguel Márquez-Martinón
1,
Ana Pérez-García
1,
Norena Martín-Dorta
1 and
Benjamín González-Díaz
2,*
1
Departamento de Técnicas y Proyectos en Ingeniería y Arquitectura, Universidad de La Laguna (ULL), 38200 San Cristóbal de La Laguna, Spain
2
Departamento de Ingeniería Industrial, Escuela Superior de Ingeniería y Tecnología, Universidad de La Laguna (ULL), 38206 San Cristóbal de La Laguna, Spain
*
Author to whom correspondence should be addressed.
Buildings 2022, 12(11), 1994; https://doi.org/10.3390/buildings12111994
Submission received: 3 October 2022 / Revised: 1 November 2022 / Accepted: 11 November 2022 / Published: 16 November 2022
(This article belongs to the Collection Buildings' Thermal Behaviour and Energy Efficiency for a Sustainable Construction)
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Abstract

Nowadays, a large amount of the total primary energy is consumed by buildings, accounting for about 40% of the total energy demand. Aligned with the EU objectives and the strategies to reduce the demand, cooling and heating are stated as the most energy consuming processes and the building envelope plays an important role to reduce the energy consumption. In this work, the energy demand related to heating and cooling in a typical building has been evaluated, which has been simulated in 35 cities located in different climatic zones, using the DesignBuilder v.6.1.7.007 software. Although the increase in insulation and the replacement of windows lead to a reduction in energy demand, in the case of the cities of Santa Cruz de Tenerife and Las Palmas de Gran Canaria without insulation, the demands are lower than 1.7 kWh/m2/year and 5 kWh/m2/year, respectively, and these results indicate that energy saving strategies, driven by policies and economic support, based on the renovation and improvement of the thermal insulation of the building envelope, are not the most appropriate due to the need for an additional energy load for cooling and to maintain comfort within the regulatory limits.
Keywords: energy transition; energy consumption; building envelope; retrofitting strategies energy transition; energy consumption; building envelope; retrofitting strategies

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MDPI and ACS Style

González-Díaz, E.; Márquez-Martinón, J.M.; Pérez-García, A.; Martín-Dorta, N.; González-Díaz, B. Assessment of the Retrofit Strategies on Thermal Insulation Applied in Buildings Located on the Southern Border of the EU: The Case of the Canary Islands. Buildings 2022, 12, 1994. https://doi.org/10.3390/buildings12111994

AMA Style

González-Díaz E, Márquez-Martinón JM, Pérez-García A, Martín-Dorta N, González-Díaz B. Assessment of the Retrofit Strategies on Thermal Insulation Applied in Buildings Located on the Southern Border of the EU: The Case of the Canary Islands. Buildings. 2022; 12(11):1994. https://doi.org/10.3390/buildings12111994

Chicago/Turabian Style

González-Díaz, Eduardo, José Miguel Márquez-Martinón, Ana Pérez-García, Norena Martín-Dorta, and Benjamín González-Díaz. 2022. "Assessment of the Retrofit Strategies on Thermal Insulation Applied in Buildings Located on the Southern Border of the EU: The Case of the Canary Islands" Buildings 12, no. 11: 1994. https://doi.org/10.3390/buildings12111994

APA Style

González-Díaz, E., Márquez-Martinón, J. M., Pérez-García, A., Martín-Dorta, N., & González-Díaz, B. (2022). Assessment of the Retrofit Strategies on Thermal Insulation Applied in Buildings Located on the Southern Border of the EU: The Case of the Canary Islands. Buildings, 12(11), 1994. https://doi.org/10.3390/buildings12111994

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