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specialty journal of architecture and construction
Volume 3, 2017, Issue 2
Proposal for optimum thermal insulation thickness of building exterior walls in Tehran
Mahsa Sadat Torabi, Behrouz Kari2, Shahin Heidari
Pages: 14-27


In Iran, the buildings sector is responsible for large consumption of energy and corresponding GHG (Greenhouse Gases) emissions. The insulation of buildings is a relevant technology to reduce such energy consumption and GHG emissions. According to Paris agreement 2016 all countries in the world are obliged to reduce their GHG emission and Iran as a developing country should contribute to international agreement. This paper seeks Iran’s building sector role in mitigating national GHG emission. The main objective of this study is to minimize the building environmental impacts by proper insulation. For this purpose, five details for applying thermal insulation thickness, recommended by Iran national building code were selected. The most conventional thermal insulation materials produced in Iran are selected as thermal insulation material. First, thermal insulation thickness was optimized for all surfaces comprising a single cubic thermal zone in climate of Tehran. The results are evaluated in reducing, net environmental saving and energy demand for a typical residential building located in Tehran. The results of this study represents optimized insulation thickness for all building envelope surfaces, in accordance to mandatory thermal performance, in order to optimize energy consumption of the building and minimizing its environmental footprint. The results shows that by accommodating proper insulation total environmental impact of building can reduce to more than 70% percent.

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specialty journal of architecture and construction
Issue 2, Volume 6, 2020