The content of the project is to improve the thermal-technical properties of the 8 storey apartment building no. p. 2823, ul. Havanská, Tábor, which will bring a final reduction of energy intensity by 727.5 GJ/year, i.e. 47.73 % for 56 residential and one non-residential unit and a reduction of CO2 emissions per year by 73.234 t. This is the design of insulation of the perimeter casing of the building, insulation of the roof structure, replacement of window opening fillings and entrance doors to the building.