Possibilities of decreasing energy consumption through thermal upgrading in selected buildings in Poland case study: The town of Zielona Góra

Forty buildings were selected for analysis. They were built in different years and had different functions, i.e.: 23 residential buildings, 6 residential commercial buildings, 7 commercial buildings, and 4 buildings had other functions (schools). They are the main energy consumers, which has a considerable impact on the environment.