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In desert regions, the orientation of buildings, thermal insulation and eaves have an important influence in the inside air temperature. The main objective of the current work is to minimize interior temperatures by these three techniques. This study aims at assessing also the geographic parameter enhancing or damping the role of thermal inertia, providing a variety of results.

As result, this work proves that stones play a contradictory role on thermal comfort; it has been found that changing orientations of building is not beneficial in terms of thermal comfort particularly in the hot season in case of a building without insulation. Consequently, the insertion of the eaves is recommended to achieve a better thermal comfort in arid and semi arid regions and the habitation will have to be situated in south flan of a hill to satisfy the two strategies (hot and cold). (C) 2011 Published by Elsevier B.V.