The subject of the project is the warming of the building of Primary School No. 17, located at ul. Begonia 5 in Tychy. The scope of the project includes in particular: — insulation of exterior walls, – insulation and warming of basement walls and foundation walls, – warming of the roof, – restoration of lightning installation of the building, – replacement of central heating installations and radiators, together with painting and floor restoration robots, – modernisation of the heat junction with room, – replacement of lighting fixtures on LED in the didactic and sports part and outdoor lighting, – installation of mechanical ventilation (gymnastic room, kitchen, heat node room), – replacement of sheet metal processing, gutters, drain pipes and window sills, – reconstruction and installation of roofs over the entrances to the building. The investment will result in an annual reduction in CO2 emissions of 235.37 t/year and PM10 by 1.40248 t/year.