Szukana fraza: [Abstract = "The paper presents the possibility of applying of condensing technology in heating systems. Briefly introduced the issue of heating systems and discusses the parameters of their operating which are important for efficiency of production and distribution of heat. The article examines the possibility of using condensation heat sources, and briefly characterizes the efficiency of their work. In the final section, the article, presents a solution which optimize of operating of condensing heat sources in the existing domestic heating systems."]

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