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Comparative Analysis of Indoor Environmental Quality of Architectural Campus Buildings’ Lecture Halls and its’ Perception by Building Users, in Karachi, Pakistan

Author

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  • Mushk Bughio

    (Department of Architecture, Sungkyunkwan University, Suwon 440-746, Korea
    Department of Architecture, Dawood University of Engineering and Technology, Karachi 74800, Pakistan)

  • Thorsten Schuetze

    (Department of Architecture, Sungkyunkwan University, Suwon 440-746, Korea)

  • Waqas Ahmed Mahar

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

Abstract

Poor Indoor Environmental Quality (IEQ) adversely affects the performance and health of building users. Building users are an important source of information regarding IEQ and its influence on users’ wellbeing and productivity. This paper discusses the analysis and evaluation of IEQ in lecture halls of two public Architectural Campus Buildings (ACB) in Karachi, Pakistan. The method of this research is divided into three parts: (i) An analysis of local climate conditions, (ii) An on-site survey of two existing ACBs to analyze indoor environmental conditions. and (iii) The analysis of users’ satisfaction using a questionnaire survey. The research results showed that users are dissatisfied with existing hot and humid indoor environment conditions caused by interactions of local outdoor climate conditions, the building’s architecture, and inadequate ventilation within the building. The findings revealed that Karachi has 41.3% comfort hours with the warm sub-humid season to be the most comfortable season having 80.56% comfort hours. IEQ analysis unveiled that airflow in ACB1 is low, whereas, high airflow is observed in ACB2. The findings of this research unveiled that cross-ventilation by the adapted placement of openings, improved external shading devices, and provision of increased vegetation are required in both ACBs to achieve a more comfortable IEQ.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:7:p:2995-:d:343064
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    References listed on IDEAS

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    1. Halil Zafer Alibaba, 2018. "Heat and Air Flow Behavior of Naturally Ventilated Offices in a Mediterranean Climate," Sustainability, MDPI, vol. 10(9), pages 1-23, September.
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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. Veronika Andrea & Stilianos Tampakis & Paraskevi Karanikola & Maria Georgopoulou, 2020. "The Citizens’ Views on Adaptation to Bioclimatic Housing Design: Case Study from Greece," Sustainability, MDPI, vol. 12(12), pages 1-18, June.
    3. 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.

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