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Energy Retrofit. A Case Study—Santi Romano Dormitory on the Palermo University

Author

Listed:
  • Domenico Curto

    (Department of Engineering, University of Palermo, 90128 Palermo, Italy)

  • Vincenzo Franzitta

    (Department of Engineering, University of Palermo, 90128 Palermo, Italy)

  • Andrea Guercio

    (Department of Engineering, University of Palermo, 90128 Palermo, Italy)

  • Domenico Panno

    (Department of Engineering, University of Palermo, 90128 Palermo, Italy)

Abstract

Electrical and thermal consumption related to buildings, whether civil, commercial, public, or of any other kind, is very much in focus today. With today’s targets for energy savings, reduction of consumption, and environmental impact, it is necessary to carry out energy retrofits to modernize installations and their management. The realization of an effective improvement requires a careful analysis of the case study because each category of building has different requirements such as different load profiles and different installations and needs. This was carried out by studying the electrical and thermal load profiles. A good initial energy audit can provide the retrofit solutions capable of achieving the reduction of energy consumption and the emission of climate-changing gases into the atmosphere. A case study, carried out by the Department of Engineering of Palermo, showed how it is possible to perform an energy retrofit to modernize the energy system of the student dormitory at the University of Palermo. The paper presented a study carried out by programming a series of interlinked calculations in Microsoft Excel. In order to quantify the energy savings of the structure under examination, it is necessary to enter some input data, thanks to which all the formulas implemented in the calculation software were automatically completed. The programming of the calculations makes it possible to carry out an energy retrofit with interventions on the building envelope and the installations. The desire to program an automated calculation by modifying only the input data is intended to replicate a study on other buildings with the same peculiarities. In this way, it is possible to verify which retrofit hypotheses would be useful to upgrade old public administration buildings. In the analyzed case study, 65% of electrical energy and 33% of thermal energy could be saved by replacing generation systems, installing a co-generator, replacing windows, and replacing lamps with LED ones.

Suggested Citation

  • Domenico Curto & Vincenzo Franzitta & Andrea Guercio & Domenico Panno, 2021. "Energy Retrofit. A Case Study—Santi Romano Dormitory on the Palermo University," Sustainability, MDPI, vol. 13(24), pages 1-13, December.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:24:p:13524-:d:696912
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    References listed on IDEAS

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    2. Aron Powers & Messiha Saad, 2022. "Building Energy Use: Modeling and Analysis of Lighting Systems—A Case Study," Sustainability, MDPI, vol. 14(20), pages 1-17, October.

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