Potential for Building Façade-Integrated Solar Thermal Collectors in a Highly Urbanized Context

Andrea Frattolillo, Laura Canale, Giorgio Ficco, Costantino C. Mastino and Marco Dell’Isola
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Andrea Frattolillo: Department of Civil and Environmental Engineering, University of Cagliari, 09123 Cagliari, Italy
Laura Canale: Department of Engineering, University of Naples “Parthenope”, 80143 Napoli, Italy
Giorgio Ficco: Department of Civil and Mechanical Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy
Costantino C. Mastino: Department of Civil and Environmental Engineering, University of Cagliari, 09123 Cagliari, Italy
Marco Dell’Isola: Department of Civil and Mechanical Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy

Energies, 2020, vol. 13, issue 21, 1-18

Abstract: Development of technologies, materials, support systems, and coatings has made the integration of solar thermal systems into the building envelope increasingly possible. Solar thermal collectors can either be directly integrated, substituting conventional roof or façade covering materials, or constitute independent devices added to a roof or façade structure. Aimed at estimating the real effectiveness of building-integrated solar systems for domestic heat water (DHW) production or for heating integration, when horizontal or inclined pitches on buildings are not applicable, the authors analyze a case study with different scenarios, taking into account the issues connected to a highly urbanized context in the Mediterranean climate. A GIS model was used for estimating the energy balance, while the real producibility of the simulated systems was calculated by a dynamic hourly simulation model, realized according to ISO 52016. The savings in terms of primary energy needs obtained by installing solar thermal systems on the facade are presented, and the differences between the cases in which the system is used for DHW production only and for space heating too are distinguished and discussed. The evaluated potential is quantified in the absence of roof collectors, despite their high potential in the Mediterranean region, in order to better appreciate the effects induced by integrated facade systems.

Keywords: solar energy; building integrated solar thermal system; SWHS integration (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
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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