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Exploratory Analysis of a Novel Modular Green Wall’s Impact on Indoor Temperature and Energy Consumption in Residential Buildings: A Case Study from Belgium

Author

Listed:
  • Milana Radujković

    (Renewable Energy Sources and Ecological Engineering, Faculty of Mechanical Engineering, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina)

  • Alexis Versele

    (Building Physics and Sustainable Design, Department of Civil Engineering, KU Leuven, Ghent Campus, 9000 Ghent, Belgium)

  • Hilde Breesch

    (Building Physics and Sustainable Design, Department of Civil Engineering, KU Leuven, Ghent Campus, 9000 Ghent, Belgium)

Abstract

One possible solution that mitigates the effects of climate change is the implementation of vertical greenery systems, which have the potential to reduce the need for cooling and provide energy savings for heating. This paper evaluates the effects of an innovative modular green wall on indoor temperature and energy use in a residential case study building. This research was carried out on a residential house in the city of Ghent, Belgium, whose southwest facade is covered with a specific type of modular green wall (a structure with a specific substrate and plants that have the ability to purify water so that it can be reused in the house). The monitoring process included four different temperatures (in front of and behind the green wall, in the substrate, and on the wall without greenery) during winter and summer periods. To analyze the effect on the internal temperature and energy use, a DesignBuilder simulation model was built and validated against these experimental results. This green wall has proven to have the greatest effect during the hottest summer days by reducing the indoor temperature by up to 3.5 °C. It also effectively increases the indoor temperature by up to 1.4 °C on a cold winter day, leading to energy savings of 6% on an annual basis.

Suggested Citation

  • Milana Radujković & Alexis Versele & Hilde Breesch, 2024. "Exploratory Analysis of a Novel Modular Green Wall’s Impact on Indoor Temperature and Energy Consumption in Residential Buildings: A Case Study from Belgium," Energies, MDPI, vol. 17(21), pages 1-25, October.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:21:p:5267-:d:1504620
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    References listed on IDEAS

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    1. Wen Wang & Xiaolin Zhou & Suqing Wu & Min Zhao & Zhan Jin & Ke Bei & Xiangyong Zheng & Chunzhen Fan, 2024. "Vertical Green Wall Systems for Rainwater and Sewage Treatment," Sustainability, MDPI, vol. 16(17), pages 1-18, September.
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