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thermal energy, experiment. Abstract. On the basis of the nonlinear differential equations systems was developed and realized in a Math Lab package the behavior model of thermal processes indoors for automated control system of energy saving. The received results give the chance to carry out monitoring of a thermal state rooms. The constructed mathematical model can form a basis for creation of algorithm and software of ACS heat supply as certain rooms, and whole buildings and constructions. One of the most actual problems in the field of life support systems of buildings is energy saving. Monitoring of problems of this problem shows that the most important link in its decision is rational use of thermal energy, especially on areas of "end users". The purpose of this work is creation of mathematical model for a quality assessment uses of thermal energy on the example of heat supply of randomly chosen rooms. In any control system of heating the task optimum on expenses is set managements of temperature indoors, creation of the comfortable conditions corresponding to purpose of rooms. Maintenance of comfortable and/or safe temperature in each time point is the purpose of creation automatic control systems. Remote control of heating depending on numerous internal and external conditions allows to achieve considerable economy of energy resources with other things being equal. For the solution of an objective it is necessary to formulate prerequisites which are the basis for reasonings: 1. Regulation of temperature of the heat carrier for measurement of air temperature in the room. 2. Maintenance of the set temperature condition, despite change of the external conditions. 3. Regulation of temperature in power effective systems of heating is made taking into account the following external conditions: environment air temperature, time of day, day of the week, season (winter, summer).

Mathematical model of heat supply of rooms for Automated control systems of energy saving