The main objective of the project is to improve the efficiency of the energy infrastructure of multi-family residential buildings in Sanok by carrying out a comprehensive thermomodernisation of 6 buildings at ul.: Bema 2: • warming of external walls, floors on the ground, ceiling, • replacement of window carpentry – 19.41 m² and door – 4.75 m², gas boiler, gas water heaters, • sheet metalworking. Przemyslska 2: • warming of external walls, foundation walls, ceilings, facade colours, • replacement of window carpentry -11.25 m² and door 9.77 m², • replacement of gas boiler and control automation, electric heaters, lighting, • sheet metalworking. Wyspiański 41: • warming of exterior walls and pedestals, facade colours, floors on the ground, ceiling, • replacement of window joinery -3.76 m² and door -4.82 m², gas boiler and control control boiler, electric heaters, • sheet metalworking, Peanut 2: • insulation of external walls, ceiling, • metalworking, • replacement of window joinery – 101.03 m² and door – 3.11 m², • roof covering, • lighting replacement, • modernisation of C.W.U. and C.O. Peanut 2A installations: • insulation of external walls, ceiling, facade colours, • sheet metalworking, • replacement of window joinery -100.83 m² and door-3.15 m², • roof covering, • lighting change, • C.O. installation adjustment, • modernisation of C.W.U. Młynarska 49: • warming of external walls, foundation walls, ceiling, facade colours, • replacement of window joinery -71.65 m² and door -5.23 m², • sheet metalworking, • modernisation of the C.W.U. installation, • adjustment of the C.O. installation. The implementation of the investment will reduce the demand for energy consumption in individual buildings: • Bema 2 of 65.96 % • Przemyślska 2 o 42.87 % • Wyspiański 41 by 88.02 % • Peanut 2 by 65.21 % • Peanut 2a about 66.35 % • Millennial 49 about 77.30 %. A detailed description of the project’s material scope is included in