At the altitude of 800 m, there is a calm continental climate that, in some areas, has been modified and transformed into mountain-continental climate, and it is characterized by cold winters and fresh summers. Berovo is the city with the highest concentration of oxygen in the Balkans. The average annual temperature in the municipality is 11.1˚C. Berovo is the city with the mostsunny days during the year in the Republic of Macedonia, with an average of6,4 sunny hours per day. This comparative advantage in the last period is intensively used for the installation of solar collectors in public institutions and individual houses, to increase energy efficiency.