Abstract: The author present several results of some different European Project about the the call "Smart Cities and Communitiesin Europe". The main objective of these projects is to develop a replicable strategy for the design, construction and management of entire residential neighborhoods with "almost zero" consumption. The experience, both in the competition participation and in the course of the phases of the project, it is particularly significant, especially for the synergy that has necessarily developed at international level, including Municipality, researchers, industries, non-profit companies and finance companies. Regarding the role of the University is evident the contribution in terms of knowledge and strength of cohesion between the different actors involved.