Abstract
The article shows that for the selection of rational heat supply schemes, it is necessary to take into account not only economic factors, but also conduct a multiparametric analysis. The urgency of the problem has especially increased due to the high cost and shortage of traditional fuels (coal, gas), which has led to the use of alternative energy sources in heat supply systems. In the paper, options for energy carriers and corresponding design schemes of heating systems, most often used for residential buildings, are considered. Their comparative evaluation and comparison of the given values of the cost of a unit of thermal energy was made. The peculiarities of the environmental impact of heat supply sources using different types of fuel are investigated. The cost of a unit of energy and the specific emissions of pollutants related to carbon monoxide emissions are determined. A comparative assessment of specific emissions for heat-generating devices operating on natural gas, coal, firewood, and pellets has been performed. The evaluation is based on their average indicators. Recommendations for choosing a heat supply source are offered on the basis of an ecological and economic assessment.
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