A multi-objective optimization approach of housing in Algeria. A step towards sustainability
A multi-objective optimization approach of housing in Algeria. A step towards sustainability

Summary/Abstract: The present study focuses on the evaluation of the energy and environmental performance (EEP) of a typical multi-storey building in Tlemcen, Algeria. It aims to contribute to the development of Algeria’s thermal regulation by establishing a list of actions to be taken in short, medium and long term, in terms of thermal rehabilitation in existing housing areas as well as in new ones, in urban regions with a similar climate. An appropriate multi-criteria methodology is developed by determining its thermal performance using a static method as well as establishing a multi- objective strategy of EEP optimization. The assessment of: the potential of primary-energy-saving and that of the CO2-emissions’ reduction and indoor-environmental-quality of a real state of construction by simulation using DesignBuilder software, together with investment-cost are reported. Therefore, this study is conducted using the potential of parametric evaluation methodology to investigate the impact of passive energy-efficiency-measures on the building envelope from energy, environmental, economic and thermal-comfort points of view. Insulation and ventilation reduction are the main measures saving more than 75% of energy and 44% of CO2-emissions. Besides, the winter comfort is significantly improved. But from the economic standpoint, policy measures must be taken; namely tariffs reforms and energy control law enforcement.

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