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Study of the Improvement on Energy Efficiency for a Building in the Mediterranean Area by the Installation of a Green Roof System

Author

Listed:
  • Elisa Peñalvo-López

    (Universitat Politècnica de València, Camino de Vera 14, 46022 València, Spain)

  • Javier Cárcel-Carrasco

    (Universitat Politècnica de València, Camino de Vera 14, 46022 València, Spain)

  • David Alfonso-Solar

    (Universitat Politècnica de València, Camino de Vera 14, 46022 València, Spain)

  • Iván Valencia-Salazar

    (Instituto Tecnológico de Veracruz, Miguel Ángel de Quevedo 2779, Veracruz 91897, Mexico)

  • Elias Hurtado-Pérez

    (Universitat Politècnica de València, Camino de Vera 14, 46022 València, Spain)

Abstract

Rooftop gardens ona building have proved to be a good way to improve its storm water management, but many other benefits can be obtained from the installation of these systems, such as reduction of energy consumption, decrease of the heat stress, abatement on CO 2 emissions, etc. In this paper, the effect from the presence of these rooftop gardens on abuilding’s energy consumption has been investigated by experimental campaigns using a green roof ona public building in a Mediterranean location in Spain. The obtained results demonstrate a substantial improvement by the installation of the green roof onthe building’s cooling energy demand for a standard summer day, in the order of 30%, and a reduction, about 15%, in the heating energy demand for a winter day. Thus, given the longer duration of the summer conditions along the year, a noticeable reduction on energy demand could be obtained. Simulation analysis, using commercial software TRNSYS code, previously calibrated using experimental data for typical summer and winter days, allows for the extrapolation to the entire year of these results deducing noticeable improvement in energy efficiency, in the order of 19%, but with an increase of 6% in the peak power during the winter period.

Suggested Citation

  • Elisa Peñalvo-López & Javier Cárcel-Carrasco & David Alfonso-Solar & Iván Valencia-Salazar & Elias Hurtado-Pérez, 2020. "Study of the Improvement on Energy Efficiency for a Building in the Mediterranean Area by the Installation of a Green Roof System," Energies, MDPI, vol. 13(5), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:5:p:1246-:d:329798
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    References listed on IDEAS

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    1. Coma, Julià & Pérez, Gabriel & Solé, Cristian & Castell, Albert & Cabeza, Luisa F., 2016. "Thermal assessment of extensive green roofs as passive tool for energy savings in buildings," Renewable Energy, Elsevier, vol. 85(C), pages 1106-1115.
    2. Santamouris, M. & Pavlou, C. & Doukas, P. & Mihalakakou, G. & Synnefa, A. & Hatzibiros, A. & Patargias, P., 2007. "Investigating and analysing the energy and environmental performance of an experimental green roof system installed in a nursery school building in Athens, Greece," Energy, Elsevier, vol. 32(9), pages 1781-1788.
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    Cited by:

    1. Elena Cantatore & Fabio Fatiguso, 2021. "An Energy-Resilient Retrofit Methodology to Climate Change for Historic Districts. Application in the Mediterranean Area," Sustainability, MDPI, vol. 13(3), pages 1-32, January.
    2. Walter Leal Filho & Mariia Fedoruk & Lyudmyla Zahvoyska & Lucas Veiga Avila, 2021. "Identifying and Comparing Obstacles and Incentives for the Implementation of Energy Saving Projects in Eastern and Western European Countries: An Exploratory Study," Sustainability, MDPI, vol. 13(9), pages 1-16, April.
    3. Aboelata, Amir, 2021. "Assessment of green roof benefits on buildings’ energy-saving by cooling outdoor spaces in different urban densities in arid cities," Energy, Elsevier, vol. 219(C).
    4. Gianfranco Rizzo & Laura Cirrincione & Maria La Gennusa & Giorgia Peri & Gianluca Scaccianoce, 2023. "Green Roofs’ End of Life: A Literature Review," Energies, MDPI, vol. 16(2), pages 1-16, January.
    5. Ana Isabel Abellán García & Noelia Cruz Pérez & Juan C. Santamarta, 2021. "Sustainable Urban Drainage Systems in Spain: Analysis of the Research on SUDS Based on Climatology," Sustainability, MDPI, vol. 13(13), pages 1-25, June.

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