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Towards Post-Carbon Cities: Which retrofit scenarios for hotels in Italy?

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  • Crespi, Giulia
  • Becchio, Cristina
  • Corgnati, Stefano Paolo

Abstract

The building sector plays a crucial role in the advocated transition towards a carbon-free economy, and thus the zero-carbon building concept is taking hold. The paper focuses on the issue of existing hotels, with the aim of investigating the possibility of meeting the ambitious zero-carbon targets for this category of buildings, in which guests’ comfort and satisfaction is the core business. A reference hotel and different retrofit scenarios are assessed in two Italian climatic zones. Models are evaluated with a multi-objective approach, by introducing a set of hotel-related Key Performance Indicators (KPIs), to evaluate the simulated models on three main dimensions: thermal comfort, energy and environmental impacts. The obtained results have emphasized the difficulty to achieve the zero-carbon targets, due to the high energy consumptions caused by the comfort-based nature of hotels and of the space constraints for on-site renewable sources. These outcomes help highlighting the need to shift the focus from single building to district or city scale, proving that the zero-carbon building definition must go hand-in-hand with the Post-Carbon City concept.

Suggested Citation

  • Crespi, Giulia & Becchio, Cristina & Corgnati, Stefano Paolo, 2021. "Towards Post-Carbon Cities: Which retrofit scenarios for hotels in Italy?," Renewable Energy, Elsevier, vol. 163(C), pages 950-963.
    • Handle: RePEc:eee:renene:v:163:y:2021:i:c:p:950-963
    DOI: 10.1016/j.renene.2020.08.023
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    References listed on IDEAS

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    1. Cheung, Ming & Fan, Jor, 2013. "Carbon reduction in a high-density city: A case study of Langham Place Hotel Mongkok Hong Kong," Renewable Energy, Elsevier, vol. 50(C), pages 433-440.
    2. Ballarini, Ilaria & Corgnati, Stefano Paolo & Corrado, Vincenzo, 2014. "Use of reference buildings to assess the energy saving potentials of the residential building stock: The experience of TABULA project," Energy Policy, Elsevier, vol. 68(C), pages 273-284.
    3. Buso, Tiziana & Corgnati, Stefano Paolo, 2017. "A customized modelling approach for multi-functional buildings – Application to an Italian Reference Hotel," Applied Energy, Elsevier, vol. 190(C), pages 1302-1315.
    4. Corgnati, Stefano Paolo & Fabrizio, Enrico & Filippi, Marco & Monetti, Valentina, 2013. "Reference buildings for cost optimal analysis: Method of definition and application," Applied Energy, Elsevier, vol. 102(C), pages 983-993.
    5. Chwieduk, Dorota A., 2017. "Towards modern options of energy conservation in buildings," Renewable Energy, Elsevier, vol. 101(C), pages 1194-1202.
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    Cited by:

    1. Jing Yu, 2022. "Exploring Recreationist-Environment Fit Hospitality Experiences of Green Hotels in China," Sustainability, MDPI, vol. 14(3), pages 1-27, February.
    2. Yamaguchi, Yohei & Kim, Bumjoon & Kitamura, Takuya & Akizawa, Kotone & Chen, Hemiao & Shimoda, Yoshiyuki, 2022. "Building stock energy modeling considering building system composition and long-term change for climate change mitigation of commercial building stocks," Applied Energy, Elsevier, vol. 306(PA).

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