The aim of the project is to reduce dust emissions in the city of Tarnobrzeg by assembling ecological central heating boilers, CWU installations in single-family buildings and carrying out an installation distributing hot hot water in multi-family buildings.The project’s scope includes the replacement of old inefficient heat sources in 1971 households, including 93 units for gas central heating boilers, 48 units for biomass-fired boilers and up to 1 farms will be made a section of heating connections of 15 m length. In addition, 32 multi-family buildings will disassemble gas stoves for heating hot water and CWU connection installation. As part of the project, a section of connector with a length of approx. The result of the project will be to reduce emissions of pollutants into the air, in particular CO2 and PM10 and to increase thermal energy savings, which will improve the quality of the environment and the quality of life of residents. Moreover, implementation of the material scope of the project will contribute to preventing/preventing the energy poverty of society. The number of households benefiting from the project’s effects and located in the above-mentioned multi-family buildings is 1829 units. In addition, the number of heat nodes/exchange stations made is 28 pcs. (27 knots in multi-family buildings and 1 knots in a single-family building).