The paper devoted to introducing of theory and practice results of natural ventilation and properties of external aerodynamics of orthodox churches research. The features of the movement of air flows inside the temple are considered. On the example of the Transfiguration Cathedral, the analysis of the fields of aerodynamic coefficients is introduced.

Abstract. In this article the results of theoretical and experimental studies of the reduction of heat losses in the elements of external enclosing structures of under construction, reconstructed, reconstructed and currently operated unique buildings (monuments of history and architecture) presents.

Abstract. In this article the results of theoretical and experimental studies of the reduction of heat losses in the elements of external enclosing structures of under construction, reconstructed, reconstructed and currently operated unique buildings (monuments of history and architecture) presents.

Abstract. The number of measures is shown in article, that allow to downsize the consumption of thermal energy in the construction, rehabilitation, reconstruction and maintenance of buildings, which are which are recognized today as monuments of history and architecture.

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