Directives and Possibilities of Enviromentally Friendly Construction

With this article we would like to represent how the existing eco-efficient technologies in construction industry could spread over the society and what are the constraints and difficulties of this process. The study focuses on some examples of buildings based on energy efficiency; above all the topic of passive and A+ houses is in the forefront of our enquiry. It was necessary to learn the opinion of several experts of this field, which was designed in a structured interview form. With their help we could get a complex picture why these developed, modern and environmental-friendly techniques have not yet spread in Hungary.