The building concerned by this tender is the Cultural Centre, which is called 4220 Hajdúböszörmény, Bocskai tér 4. hrsz. 3708. The building’s energy condition has deteriorated and its energy consumption is extremely high. In order to reduce maintenance costs, the municipality decided to modernise energy. The following activities will be implemented during the project. All old doors and windows will be replaced by 3 layers of enhanced air-tight doors and windows with excellent thermal insulation (5 chamber ProFine 76 PVC profile, Uw<1,15 W/m2K), including all additional costs (repair painting, tinning, etc.). — Floor insulations, ceiling insulations, inclined roof planes are insulated with all the additional elements (stand, suspended ceiling structure, plasterboarding, repair painting, etc.) The materials used are: On external load-bearing walls: Rockwool Frontrock Maxe 12 cm On internal load-bearing walls: Rockwool Frontrock Maxe 8 cm The attic floor: Rockwool Multirock 24 cm Overground flat roof Austrotherm ZENIT 20 cm roof plane: Rockwool Deltarock 15 cm slat between theater flat roof: Deltarock 15 cm slat between reinforced concrete pillars: Rockwool Frontrock Maxe 16 cm basement floor: Rockwool Ceilingrock 12 cm attic wall: Deltarock 15 cm slat between Attika: Rockwool Frontrock Maxe 20 cm — 50 kW solar panels are installed on the flat roof, inclined roof planes along with electrical works — weather control, automation (with the maintenance of the existing gas boiler) + electrical works. — ventilation of the theatre hall, complete air system is being renovated according to today’s standard + electrical works