Abstract. Modern software products for thermal calculations make possible to speed up the design process and to improve the energy efficiency of new and renovated buildings. This article provides a complex evaluation, comparison and analysis of the feasibility of using Russian and foreign programs in thermal calculations.
Abstract. In this article 4 complexes energy efficiency measures for different energy efficiency classes are chosen, it is defined the thermal heating costs of the building during the heating period, it is defined the cost and the payback period of energy efficiency measures. The conclusion about the feasibility of capital repair of buildings by increasing energy efficiency class from an economic point of view is made.
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