Pro-nZEB Cluster is a non-profit association, established in early 2016, with the main objective to promote the nearly zero energy building concept (nZEB) in Romania in order to reduce the greenhouse gas emissions generated by the use of buildings, aiming at the development of market-oriented research in the field of energy efficient buildings in Romania. The aim of the Pro-nZEB cluster is to bring together key players from the building materials market, research and development institutions, educational representative organizations, public authorities, professional associations and other organizations having a catalyst role, in order to create and improve collaborative relationships for developing and implementing in Romania the concept of nZEB.