Most of the energy in the geosphere is solar and geothermal energy. The resource potential of geothermal energy is recognized to be as inexhaustible as that of solar energy. There are estimates according to which the potential of geothermal energy in Russia exceeds the reserves of fossil fuel by more than 10 times. In this regard, buildings with a complex of renewable energy sources are acquiring considerable relevance. High efficiency of the use of renewable energy sources in buildings is achieved in the case of the use of enclosing structures with high thermal insulation characteristics.