#ENERGY EFFICIENT BUILDING ENVELOPE WINDOWS#

In the last few decades, energy-efficient envelope design strategies have increasingly attracted the attention of researchers around the world ( Asfour, 2020). These challenges have encouraged designers and engineers in the region to adopt passive design strategies to reduce energy consumption, thus helping to reduce the negative environmental impacts. The hot desert region is facing destructive environmental impacts, such as global warming, climate change and pollution, due to the rapid use of fossil fuels to generate energy, which is then used to enhance the indoor environment of buildings. The results also indicate that the effective combination of certain strategies can reduce total energy consumption by 35.4% relative to the base case (BC) of this research. In contrast, shading devices and glazing system types were fewer superiors.

The simulation results show that thermal insulation can significantly reduce annual energy consumption by as high as 23.6%, followed by green roofs. Varied thermal insulation, different types of glass, shading devices, and green roof were investigated with this perspective. Then, the DesignBuilder simulation program was used to investigate how different modifications of building envelopes could affect the energy consumption of the residential buildings under common scenarios. In support of the aim of this research, the annual electric energy bill of a typical residential building in Sharurah was collected and analyzed. This study aims to assess passive design features through the extensive modifications of building envelopes to affect the energy efficiency of residential buildings in hot arid climates.

Architectural Engineering Department, College of Engineering, Najran University, Najran, Saudi Arabia.

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#ENERGY EFFICIENT BUILDING ENVELOPE WINDOWS#

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Energy efficient building envelope