The implementation of the energy renovation project for the Police station Vrbovec building at Zagreb Street 1, 10340 Vrbovec Street will result in the reduction of annual primary energy consumption by 276 525.00 kWh/year, a 80.98 % reduction of the annual heating energy consumption for heating by 154 651.00 kWh/year and by 78.81 % per year after the implementation of the project. The result will also be a year-on-year decrease of CO2 discharges, which will have a positive impact on the conservation of the environment. The impact of the energy renovation of the building is also reflected in the increase in the standard of use of the building and the creation of better living conditions for people’s stay.