The main objective of the project was to increase the energy efficiency of buildings of the University of Rzeszów through deep energy modernisation. This objective will be achieved through specific objectives: — reduction of emissions of pollutants into the air, – reduction of heat demand for heating, – reduction of electricity consumption for lighting, – increasing thermal comfort of users of the objects covered by the project, – prevention of energy poverty. The subject of the project is a deep modernisation of the infrastructure of the University of Rzeszów. The scope of the project includes: 1) In Bud. C4 Faculty of Law and Administration at pl. Victims of the Ghetto 4 and 5 in Rzeszów: Moder. the ventilation system of the lecture hall (auli) – installation of mechanical ventilation ventilation with heat recovery. Warming of the previously unwarmed and external walls – after extinguishing and drying the cellar walls and making a new damp insulation of the foundation walls. Replacement of old windows and external doors. Moder. heating system and lighting system. 2) In Bud. C5 Institute of Archaeology at ul. Siemieńskiego 17 C in Rzeszów: Replacement of 2 pcs of old external doors and liquidation of 1 external doors, replacement of old windows for new ones. Insulation of external walls after damp insulation of the foundation walls and ceilings. Moder. built-in lighting. 3) In Bud. B1 Pedagogical Faculty at ul. FR. Sterile 24 in Rzeszów The warming of the ceiling, the ceiling under the unheated attic and the outer walls after the former fungation and drying of the basement walls and the construction of a new moisture insulation of the foundation walls. Moder. built-in lighting.