Designed by BAUEN, the “Culata Jovai” or “House of Confronted Rooms” is a real bio climatic solution belonging to one of our traditional ways of living in harmony with the environment in Paraguay, and constitutes our base typology for a new reinterpretation according to new functional programs, needs of symbolic representation and new technologies, framed in a sustainable project. With the inclusion of green roof, they recovered the original space of vegetation displaced by the construction, also reduces the gained heat due to the thermal inertia of the underground spaces, therefore reducing greatly the conventional energy consumption of homes.