контактный теплообмен, газовый контактный водонагреватель, удельная теплота сгорания топлива, скрытая теплота парообразования водяного пара, contact heat exchange, gas contact water heater, specific heat of combustion of fuel, latent heat of vaporization of water vapor, Economics as a science, HB71-74

The relevance of the study is due to the low efficiency of using fuel combustion in modern industrial, power and heating installations. In this connection, this article is aimed at revealing the possibilities of using the latent heat offormation of water vapor contained in flue gases. The main approach to the study of this problem is the use of contact heating of the coolant. The materials of the article are ofpractical value for planners of integrated heat supply systems.