The aim of the project is to improve the energy efficiency of 2 public buildings in the Municipality of Puck. The project plans to modernise: 1) Building of the City Hall of Puck, 2) building of the Municipal Centre for Sport and Recreation. The scope of the work is to: — warming of external partitions, – window replacement, – modernisation of central heating installations, – modernisation of central heating installations, – modernisation of internal lighting. As a result of the project, reducing the annual primary energy consumption in public buildings will amount to 2469218.00 kWh/year, which will lead to a reduction in the cost of maintaining public buildings. Due to the type of fuel used to heat both buildings (coal), the project will have a very positive impact on the improvement of air quality in the city of Puck. Greenhouse gas emissions are expected to be reduced by 290.8 tonnes CO2 equivalent, PM 10 dusts by 507 kg/year and PM 2.5 dusts by 480 kg/year.