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Analysis of variables that influence electric energy consumption in commercial buildings in Brazil

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Listed:
  • Carvalho, M.M.Q.
  • La Rovere, E.L.
  • Gonçalves, A.C.M.

Abstract

Air conditioning systems in commercial buildings in Brazil are responsible for about 70% share of their energy consumption. According to BEN 2009 (The Brazilian Energy Balance), energy consumption in the residential, commercial and public sectors, where most buildings are found, represents 9.3% of the final energy consumption in Brazil. This paper aims to examine design factors that could contribute to greater reductions of electric energy consumption in commercial buildings, with emphasis on air conditioning. Simulations were carried out using shades and different types of glass, walls, flooring and roofing. The VisualDOE 2.61 was used as a simulation tool for calculating energy consumption of the analyzed building. This paper shows that the energy performance of the building is considerably influenced by the façade protection and shows, through tables, the impact that decisions related to the top-level and façades have on the energy consumption of the building. The authors concluded that the results confirm the importance of taking energy use into account in the very first design stages of the project, since appropriate choices of types of glass, external shading and envelope materials have a significant impact on energy consumption.

Suggested Citation

  • Carvalho, M.M.Q. & La Rovere, E.L. & Gonçalves, A.C.M., 2010. "Analysis of variables that influence electric energy consumption in commercial buildings in Brazil," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(9), pages 3199-3205, December.
    • Handle: RePEc:eee:rensus:v:14:y:2010:i:9:p:3199-3205
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    References listed on IDEAS

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    1. Zhou, Juan & Chen, Youming, 2010. "A review on applying ventilated double-skin facade to buildings in hot-summer and cold-winter zone in China," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(4), pages 1321-1328, May.
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    Cited by:

    1. Al-Hadhrami, L.M., 2013. "Comprehensive review of cooling and heating degree days characteristics over Kingdom of Saudi Arabia," Renewable and Sustainable Energy Reviews, Elsevier, vol. 27(C), pages 305-314.
    2. Sanches-Pereira, Alessandro & Tudeschini, Luís Gustavo & Coelho, Suani Teixeira, 2016. "Evolution of the Brazilian residential carbon footprint based on direct energy consumption," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 184-201.
    3. Cucchiella, Federica & D’Adamo, Idiano, 2012. "Feasibility study of developing photovoltaic power projects in Italy: An integrated approach," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(3), pages 1562-1576.
    4. Zurn, Hans H. & Tenfen, Daniel & Rolim, Jacqueline G. & Richter, André & Hauer, Ines, 2017. "Electrical energy demand efficiency efforts in Brazil, past, lessons learned, present and future: A critical review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1081-1086.

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