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

Mushk Bughio, Muhammad Shoaib Khan, Waqas Ahmed Mahar and Thorsten Schuetze
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Mushk Bughio: Department of Architecture, College of Engineering, SungKyunKwan University, Suwon 16419, Korea
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
Thorsten Schuetze: Department of Architecture, College of Engineering, SungKyunKwan University, Suwon 16419, Korea

Sustainability, 2021, vol. 13, issue 13, 1-35

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.

Keywords: hot and humid climate; energy demand for cooling; energy efficiency; building envelope; insulation; thermal mass (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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