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Experimental Evaluation of Energy-Efficiency in a Holistically Designed Building

Author

Listed:
  • Raluca Buzatu

    (Research Institute for Renewable Energy—ICER, Politehnica University of Timisoara, 300774 Timisoara, Romania)

  • Viorel Ungureanu

    (Laboratory of Steel Structures, Romanian Academy, Timisoara Branch, 300223 Timisoara, Romania
    CMMC Department, Politehnica University of Timisoara, 300224 Timisoara, Romania)

  • Adrian Ciutina

    (CCTFC Department, Politehnica University of Timisoara, 300224 Timisoara, Romania)

  • Mihăiţă Gireadă

    (Research Institute for Renewable Energy—ICER, Politehnica University of Timisoara, 300774 Timisoara, Romania)

  • Daniel Vitan

    (EI Department, Politehnica University of Timisoara, 300223 Timisoara, Romania)

  • Ioan Petran

    (Department of Structures, Technical University of Cluj-Napoca, 400027 Cluj-Napoca, Romania)

Abstract

The building sector continues to register a significant rise in energy demand and environmental impact, notably in developing countries. A considerable proportion of this energy is required during the operational phase of buildings for interior heating and cooling, leading to a necessity of building performance improvement. A holistic approach in building design and construction represents a step to moderate construction costs in conjunction with reduced long-term operating costs and a low impact on the environment. The present paper presents an experimental evaluation of the energy efficiency of a building under real climate conditions; the building, which represents a holistically designed modular laboratory, is located in a moderate continental temperate climate, characteristic of the south-eastern part of the Pannonian Depression, with some sub-Mediterranean influences. Considerations for the holistic design of the building, including multi-object optimization and integrated design with a high regard for technology and operational life are described. The paper provides a genuine overview of the energy efficiency response of the building during six months of operational use through a monitored energy management system. The energetic analysis presented in the paper represents an intermediary stage as not all the energetic users were installed nor all the energetic suppliers. However, the results showed a reliable thermal response in the behaviour of recycled-PET thermal wadding used as insulation material in the building and for the intermediary stage in which the building has only secondary energy users, the energetic balance proves its efficiency, keeping the buffer stock of energy high values over 90%.

Suggested Citation

  • Raluca Buzatu & Viorel Ungureanu & Adrian Ciutina & Mihăiţă Gireadă & Daniel Vitan & Ioan Petran, 2021. "Experimental Evaluation of Energy-Efficiency in a Holistically Designed Building," Energies, MDPI, vol. 14(16), pages 1-22, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:16:p:5061-:d:616323
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    References listed on IDEAS

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    1. Reza Kiani Mavi & Denise Gengatharen & Neda Kiani Mavi & Richard Hughes & Alistair Campbell & Ross Yates, 2021. "Sustainability in Construction Projects: A Systematic Literature Review," Sustainability, MDPI, vol. 13(4), pages 1-24, February.
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    3. Baiba Gaujena & Vladislavs Agapovs & Anatolijs Borodinecs & Ksenia Strelets, 2020. "Analysis of Thermal Parameters of Hemp Fiber Insulation," Energies, MDPI, vol. 13(23), pages 1-14, December.
    4. Gauthier Limpens & Hervé Jeanmart & Francois Maréchal, 2020. "Belgian Energy Transition: What Are the Options?," Energies, MDPI, vol. 13(1), pages 1-29, January.
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