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Energies 2017, 10(12), 2009; https://doi.org/10.3390/en10122009

Energy Performance and Economic Feasibility Study of Historical Building in the City of Matera, Southern Italy

Department of European and Mediterranean Cultures, University of Basilicata, 85100 Potenza, Italy
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Received: 29 August 2017 / Revised: 31 October 2017 / Accepted: 22 November 2017 / Published: 1 December 2017
(This article belongs to the Section Energy Sources)
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Abstract

In this paper a careful energy audit and an energy restoration of some historical buildings was performed. In particular, three cultural heritages buildings situated in the city of Matera in Southern Italy were analysed. To analyse these buildings, an integrated approach based on measurements in situ and on dynamic energy simulations was used. Then, some energy efficiency actions were performed, safeguarding the authenticity value of these structures. The thermal conductance, the indoor temperature and the energy consumption were measured in situ and then the numerical virtual model was created by the Energy Plus code (Energy Plus is free, open-source, and cross-platform developed by the U.S. Department of Energy’s and Building Technologies Office) (U.S. Department of Energy’s (DOE) Building Technologies Office (BTO), Washington, DC, USA). The numerical model was validated by using the Inequality Coefficient (IC) and then different parametric energy analyses were performed. The paper analysed different energy improvements and a techno-economic feasibility study was performed for each improvement. This analysis was conducted in dynamic regime by using the Energy-Plus code. In these buildings the thermal system improvements have a better payback time than envelope improvements. Two different thermal system improvements were analysed: the absorption heat pump with thermostatic valves and the compression heat pump with fan coil unit. Moreover, the replacement of present lighting with LED technologies has a payback time near one year. View Full-Text
Keywords: energy dynamic simulation; historical buildings; energy improvements; numerical computer model; economic feasibility study energy dynamic simulation; historical buildings; energy improvements; numerical computer model; economic feasibility study
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Rospi, G.; Cardinale, N.; Negro, E. Energy Performance and Economic Feasibility Study of Historical Building in the City of Matera, Southern Italy. Energies 2017, 10, 2009.

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