IntelliGlass is a Technology Based Company established by researchers from the Universidad Politecnica de Madrid and other research Centers. This closeness to the scientific world keeps a strong vocation for R&D in the company members, without forgeting the business fact. The result is a dynamic firm that re-invests most part of the incomes from R&D activities and cooperates with public and private research organizations in Spain and abroad, wich allows to be in charge of research in the topic of energy efficiency in buildings. IntelliGlass is running different research lines leading to a comprehensive and deep study of technological aspects of the RadiaGlass active glazing system, and its energy efficiency in buildings.