Résumé
Energy efficiency is become major issue. Buildings from any country have been iden- tified as gap of energy, buildings are not enough insulated and this leak represents a major part of energy expenditure. RIDER (Research for IT Driven EneRgy efficiency) has emerged from this statement. This project aims to develop a new kind of IT system to optimize en- ergy consumption of buildings. This system is based on a component paradigm, is com- posed by a pivot model, a data warehouse with a data mining approach and a visualization tool.In this manuscript, our focus was on the visualization part of the project. This manuscript is composed in two parts: state of the arts and contributions. Basic notions, a visualization chapter and a visual analytics chapter compose the state of the art. In the contribution part, we present : the data model used in this project, the visualization tool proposed and conclude with two experimentations on real data.