The article discusses the issues of energy efficiency of various types of autonomous heat supply sources (AES) and comparison with centralized heating systems. A brief description of various types of AES is given and a review of their energy indicators is carried out on the example of high-rise and low-rise buildings using alternative energy sources (solar, wind and geothermal). Examples of the use of AES in countries with different climatic conditions are considered. Promising tasks for the integration of autonomous heat supply sources have been identified. In a favorable climate, solar panels, windmills and geothermal systems are able to fully supply low-rise buildings with heat. High-rise buildings, when using autonomous heat supply sources, significantly reduce utility costs, autonomous heat supply sources are able to provide up to 30% of the total energy needs of the building.
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