Low-rise buildings made of light steel thin-walled structures (LSTS below) in the Arctic regions are considered by thermal protection destruction due to many heat-conducting elements and high air infiltration. Constructive measures have been recommended to increase thermal protection for buildings made of LSTS including thermally insulated cellar with a controlled temperature mode. A comparative assessment of the energy efficiency of the proposed measures has been carried out. A significant temperature improvement on the inner surface of the basement slab was obtained. The energy characteristics improvement of a building made of LSTS is shown in comparison with the indicators of a standard solution.

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