Abstract
Recently, the rational use of energy resources has become one of the key problems of the specialty. Today, its solutions, as a rule, are aimed at improving the thermal protection of enclosing structures and the efficiency of heat supply. However, the key issues in the efficient use of energy are the problems of consuming systems - heating, ventilation and air conditioning. In this article, the authors conduct a study of heating systems with renewable sources based on a finished project that will help reduce the consumption of energy resources.