Abstract
New concepts and ecological material called Poncebloc are investigated in this paper. This material is proposed as structural and thermal insulation for building envelope due to its excellent mechanical and thermophysical properties. For this motive, an in-situ building constructed with classical material largely used in Moroccan construction is monitored during one year and then modelized numerically using TRNSYS to perform a comparison of thermal and energy performance of two buildings one constructed with Poncebloc and the second one with classical materials and this for two types of climate semi-arid represented by Marrakech city and cold represented by Ifrane. The proposed concept is economically efficient as the results show a reduction in cooling energy needs of 66% and 97% for Marrakech and Ifrane, respectively; it also decreased the heating need by 44% and 42% for Marrakech and Ifrane respectively. Consequently, the bioclimatic building leads to a net reduction in GHG emissions of 60% and 45% for Marrakech and Ifrane, respectively, compared to the reference case.
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