A Sustainable Solution for Energy Efficiency in Italian Climatic Contexts

Valeria Annibaldi, Federica Cucchiella and Marianna Rotilio
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Valeria Annibaldi: Department of Industrial and Information Engineering and Economics, University of L’Aquila, Via G. Gronchi n. 18, 67100 L’Aquila, Italy
Federica Cucchiella: Department of Industrial and Information Engineering and Economics, University of L’Aquila, Via G. Gronchi n. 18, 67100 L’Aquila, Italy
Marianna Rotilio: Department of Civil, Construction-Architectural and Environmental Engineering, University of L’Aquila, Via G. Gronchi n. 18, 67100 L’Aquila, Italy

Energies, 2020, vol. 13, issue 11, 1-16

Abstract: In the European Union, about 40% of energy consumption and 36% of CO 2 emissions come from buildings; therefore, the improvement of their energy performance is a strongly focused issue. In particular, the energy efficiency of the building envelope is a very important element to pay attention to. Many studies have been conducted on this field of research, and the study illustrated in this paper also belongs to this topic. In particular, this article presents a multidisciplinary method to find sustainable solutions for energy efficiency in Italian climatic contexts using the Life Cycle Cost Analysis approach. In detail, this paper defines the reference scenario and then deepens the methodology used to determine the economically optimal thickness of a specific insulating material—hemp fiber—applied to a specific type of wall—uninsulated cavity walls made of hollow bricks, which are very widespread in Italy. The analysis is developed in relation to three different regions—Piedmont, Abruzzo, and Campania. The results show that the economically optimal thickness is different for each region analyzed and demonstrates how energy efficiency strategies must be carefully weighed according to the specific conditions of the site.

Keywords: optimum insulation thickness; life-cycle cost analysis; energy efficiency; hemp fiber (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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