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In this article for the first time, a two-level system of economic and mathematical models has been built, taking into account economic, technical and social indicators, which allows predicting and optimizing the level of energy consumption. The application of this system provides for the presence of input values of independent variables, obtained by expert means or using trend dependencies. Based on the system of economic and mathematical models, an optimizing function for the minimum consumption of energy resources per 1 sq. m. of living space and the optimization function for the minimum consumption of energy resources per person have been obtained. It is proved that the proposed economic-mathematical models characterize the controlled processes of energy consumption and their interconnection. The article compares the calculated indicators of the optimal energy consumption with the actual statistical data for the period, allows us to affirm the existence of a significant energy saving potential in the housing stock of Ukraine.

Methodology of estimation of energy reserves and energy efficiency of the housing fund of Ukraine