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Article

Energy and New Economic Approach for Nearly Zero Energy Hotels

1
Department of Civil Engineering and Architecture, University of Catania, 95123 Catania, Italy
2
Department of Electric and Computer Engineering, University of Catania, 95125 Catania, Italy
*
Author to whom correspondence should be addressed.
Entropy 2019, 21(7), 639; https://doi.org/10.3390/e21070639
Received: 28 May 2019 / Revised: 25 June 2019 / Accepted: 27 June 2019 / Published: 28 June 2019
The paper addresses an important long-standing question in regards to the energy efficiency renovation of existing buildings, in this case hotels, towards nearly zero-energy (nZEBs) status. The renovation of existing hotels to achieve a nearly zero-energy (nZEBs) performance is one of the forefront goals of EU’s energy policy for 2050. The achievement of nZEBs target for hotels is necessary not only to comply with changing regulations and legislations, but also to foster competitiveness to secure new funding. Indeed, the nZEB hotel status allows for the reduction of operating costs and the increase of energy security, meeting the market and guests’ expectations. Actually, there is not a set national value of nZEBs for hotels to be attained, despite the fact that hotels are among the most energy-intensive buildings. This paper presents the case study of the energy retrofit of an existing historical hotel located in southern Italy (Syracuse) in order to achieve nZEBs status. Starting from the energy audit, the paper proposes a step-by-step approach to nZEBs performance, with a perspective on the costs, in order to identify the most effective energy solutions. Such an approach allows useful insights regarding energy and economic–financial strategies for achieving nZEBs standards to highlighted. Moreover, the results of this paper provide, to stakeholders, useful information for quantifying the technical convenience and economic profitability to reach an nZEBs target in order to prevent the expenses necessary by future energy retrofit programs. View Full-Text
Keywords: nZEBs; hotels; energy; economic analysis nZEBs; hotels; energy; economic analysis
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MDPI and ACS Style

Nocera, F.; Giuffrida, S.; Trovato, M.R.; Gagliano, A. Energy and New Economic Approach for Nearly Zero Energy Hotels. Entropy 2019, 21, 639. https://doi.org/10.3390/e21070639

AMA Style

Nocera F, Giuffrida S, Trovato MR, Gagliano A. Energy and New Economic Approach for Nearly Zero Energy Hotels. Entropy. 2019; 21(7):639. https://doi.org/10.3390/e21070639

Chicago/Turabian Style

Nocera, Francesco, Salvatore Giuffrida, Maria Rosa Trovato, and Antonio Gagliano. 2019. "Energy and New Economic Approach for Nearly Zero Energy Hotels" Entropy 21, no. 7: 639. https://doi.org/10.3390/e21070639

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