Thermal Performance Study for the Taparura Project Head Office Building in Sfax, ‘Rapport d’avancement du projet d’economie et d’energie Taparura’. The out come of this study has been implemented already in the Taparura project as the construction is ongoing. This article elaborates on general conclusions and the results of the Thermal Performance Study in relation to the Tunisian Energy Performance Building Labelling and is based on the information provided by the above mentioned study by CAMI and the Taparura Project team.