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Impact of Passive Energy Efficiency Measures on Cooling Energy Demand in an Architectural Campus Building in Karachi, Pakistan

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  • Mushk Bughio

    (Department of Architecture, College of Engineering, SungKyunKwan University, Suwon 16419, Korea
    Department of Architecture, Dawood University of Engineering and Technology, Karachi 74800, Pakistan)

  • Muhammad Shoaib Khan

    (Department of Civil & Environmental Engineering, Hanyang University, Seoul 04763, Korea)

  • Waqas Ahmed Mahar

    (Department of Architecture, Balochistan University of Information Technology, Engineering and Management Sciences (BUITEMS), Quetta 87100, Pakistan
    Sustainable Building Design (SBD) Lab, Department of UEE, Faculty of Applied Sciences, Université de Liège, 4000 Liège, Belgium)

  • Thorsten Schuetze

    (Department of Architecture, College of Engineering, SungKyunKwan University, Suwon 16419, Korea)

Abstract

Electric appliances for cooling and lighting are responsible for most of the increase in electricity consumption in Karachi, Pakistan. This study aims to investigate the impact of passive energy efficiency measures (PEEMs) on the potential reduction of indoor temperature and cooling energy demand of an architectural campus building (ACB) in Karachi, Pakistan. PEEMs focus on the building envelope’s design and construction, which is a key factor of influence on a building’s cooling energy demand. The existing architectural campus building was modeled using the building information modeling (BIM) software Autodesk Revit. Data related to the electricity consumption for cooling, building masses, occupancy conditions, utility bills, energy use intensity, as well as space types, were collected and analyzed to develop a virtual ACB model. The utility bill data were used to calibrate the DesignBuilder and EnergyPlus base case models of the existing ACB. The cooling energy demand was compared with different alternative building envelope compositions applied as PEEMs in the renovation of the existing exemplary ACB. Finally, cooling energy demand reduction potentials and the related potential electricity demand savings were determined. The quantification of the cooling energy demand facilitates the definition of the building’s electricity consumption benchmarks for cooling with specific technologies.

Suggested Citation

  • Mushk Bughio & Muhammad Shoaib Khan & Waqas Ahmed Mahar & Thorsten Schuetze, 2021. "Impact of Passive Energy Efficiency Measures on Cooling Energy Demand in an Architectural Campus Building in Karachi, Pakistan," Sustainability, MDPI, vol. 13(13), pages 1-35, June.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:13:p:7251-:d:584345
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    4. Mushk Bughio & Thorsten Schuetze & Waqas Ahmed Mahar, 2020. "Comparative Analysis of Indoor Environmental Quality of Architectural Campus Buildings’ Lecture Halls and its’ Perception by Building Users, in Karachi, Pakistan," Sustainability, MDPI, vol. 12(7), pages 1-29, April.
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    Cited by:

    1. Mohamed Elhadi Matallah & Waqas Ahmed Mahar & Mushk Bughio & Djamel Alkama & Atef Ahriz & Soumia Bouzaher, 2021. "Prediction of Climate Change Effect on Outdoor Thermal Comfort in Arid Region," Energies, MDPI, vol. 14(16), pages 1-26, August.
    2. Xun Liu & Zhenhan Ding & Xiaobo Li & Zhiyuan Xue, 2023. "Research Progress, Hotspots, and Trends of Using BIM to Reduce Building Energy Consumption: Visual Analysis Based on WOS Database," IJERPH, MDPI, vol. 20(4), pages 1-21, February.
    3. Martín Pensado-Mariño & Lara Febrero-Garrido & Pablo Eguía-Oller & Enrique Granada-Álvarez, 2021. "Feasibility of Different Weather Data Sources Applied to Building Indoor Temperature Estimation Using LSTM Neural Networks," Sustainability, MDPI, vol. 13(24), pages 1-15, December.
    4. Mushk Bughio & Swati Bahale & Waqas Ahmed Mahar & Thorsten Schuetze, 2022. "Parametric Performance Analysis of the Cooling Potential of Earth-to-Air Heat Exchangers in Hot and Humid Climates," Energies, MDPI, vol. 15(19), pages 1-21, September.
    5. Ahsan Waqar & Idris Othman & Nasir Shafiq & Hasim Altan & Bertug Ozarisoy, 2023. "Modeling the Effect of Overcoming the Barriers to Passive Design Implementation on Project Sustainability Building Success: A Structural Equation Modeling Perspective," Sustainability, MDPI, vol. 15(11), pages 1-26, June.

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