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The building sector accounts for approximately 40% of energy consumption and 36% of greenhouse gas (GHG) emissions. Renovation and reconstruction are two of the main strategies to mitigate the energy use of existing building heritage and take action at the urban scale. Starting from GIS data concerning an Italian case study of the second half of the 20th century, a scenario-based analysis approach was taken to evaluate the energy savings of seven different renovation and reconstruction scenarios. The proposed meth...