![]() ![]() ![]() Ghabra Noura, Rodrigues Lucelia, Oldfield Philip (2017) The impact of the building envelope on the energy efficiency of residential tall buildings in Saudi Arabia. In: 2nd international sustainable buildings symposium Muhaisena A (2015) Effect of wall thermal properties on the energy consumption of buildings in the Gaza strip. In: 23rd conference on passive and low energy architecture (PLEA), Geneva, SwitzerlandĪl-Hosany NK (2002) Sustainable facade design and virtue in incarceration architecture: the case of prison buildings in Abu Dhabi, PhD Thesis, University of Newcastleīrock L (2005) Designing the exterior wall: an architectural guide to the vertical envelope, 1st edn. Haase M, Amato A (2006) Sustainable facade design for zero energy buildings in the tropics. International Energy Outlook 2017 Reference case Hence, careful consideration must be given in designing the shading elements in warm humid climatic zone as it can significantly change the performance of other components of an integrated building, namely HVAC and artificial lighting system, resulting in an energy-efficient design. The findings emphasize the provision of an appropriate shading device as the highest contributor towards achieving the goal of energy efficiency by reducing the solar heat gain. The results establish the impact of various envelope components on the energy consumption of the building. Analysis has been done by simulating the envelope optimized building design against the base case as prescribed by Energy Conservation Building Code, using an environmental analysis software tool. Building envelope designed for an office occupancy in a warm humid climatic zone has been analysed for its energy performance in terms of various components which include thermal properties of walls, roof and glazing, window-to-wall ratio and shading elements. This study aims at quantifying the contribution of various envelope components towards the energy optimization of an office building. Hence, optimizing the envelope system will contribute largely to the energy savings in a building. Failure to meet the thermal and visual comfort requirements in indoor spaces results in occupants depending on mechanical conditioning systems and electrical lighting systems which increases the energy consumption in building. The design of building envelope affects visual and thermal comfort in the adjoining spaces. Building envelope largely includes the various components of external façade such as walls, roof, windows and shading elements. Building’s envelope contributes significantly to energy consumption, especially in office buildings which use extensive glazed facades. Buildings and construction account for more than 35% of global final energy use and nearly 40% of energy-related CO 2 emissions (Global status report 2017, International Energy Agency for the Global Alliance for Buildings and Construction).
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