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Research Article

Analysis of the effect of passive measures on the energy consumption and zero-energy prospects of residential buildings in Pakistan

Muhammad Wasim Anwar( ), Zaib Ali, Abdullah Javed, Emad Ud Din, Muhammad Sajid
School of Mechanical and Manufacturing Engineering, National University of Sciences and Technology, Islamabad, Pakistan
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Abstract

Climate change can adversely impact the thermal comfort and energy efficiency of the buildings stock. The South Asian countries are particularly vulnerable to the adverse impacts of climate change specially in the form of rising temperatures and increasing frequency of heat waves. The passive building design measures can be useful in mitigating and adapting to the climate change by increasing energy efficiency and reducing greenhouse gas (GHG) emissions. In this study various passive climate change adaptation measures (PCAMs) have been used individually and in form of combinations in order to analyze their impact on the energy efficacy of residential buildings in Pakistan. It has been found that the natural ventilation and front green wall are the most efficient options for reducing the overall energy consumption. By implementation of these PCAMs, cooling demand can be decreased by 27.75% while heating demand can be reduced by 35%. Secondly, the prospect of net zero-energy building and reduced CO2 emissions are also studied. It has been shown that building can achieve net-zero energy on an annual basis at every orientation and it can attain the status of nearly zero-energy building on a monthly basis. Moreover, emitted CO2 can be reduced by 31% by using the renewable energy.

Keywords

energy consumptionclimate changepassive climate adaptation measuresbuilding energy simulationsnet zero-energyPakistan

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Building Simulation
Volume 14 Issue 4,
August 2021
Pages 1325-1342
DOI: 10.1007/s12273-020-0729-8
Cite this article:
Anwar MW, Ali Z, Javed A, et al. Analysis of the effect of passive measures on the energy consumption and zero-energy prospects of residential buildings in Pakistan. Building Simulation, 2021, 14(4): 1325-1342. https://doi.org/10.1007/s12273-020-0729-8

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Received: 16 March 2020
Accepted: 06 September 2020
Published: 15 November 2020
© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020
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