The periodicity of the building’s exploitation reduces the amount of heat
required for its heating. The rationalization of the energy consumption for building’s
heating in relation to the periodicity of their use is to be traced to a group of educational
buildings. The factors related to the organization of the work of educational
institutions were identified. An analysis of the possibilities of optimizing the work
organization in order to increase the period in which may be reduced indoors temperature
values were done.