The aim of the project is to promote energy efficiency improvement in Rezekne State Gymnasium building 1 Dzirnavu Street 3a, Rezekne by performing reconstruction works that reduce primary energy consumption and municipal expenditure on heating, thus ensuring the efficiency of investments both in terms of costs and socio-economic benefits.The main activities of the project are energy efficiency improvement works – insulation of exterior walls and caps; Roof covering and floor insulation; Replacement of windows; Construction and reconstruction of the ventilation system and their elements; Reconstruction of the heating system and their elements; Refurbishment of lighting; Author supervision of construction works, construction supervision and publicity measures. Reduction of primary energy consumption by 695940.84 kWh/year and greenhouse gas reduction by 221.86 t CO2/year.The project idea corresponds to the strategic goals of Rezekne city development and is included in Rezekne City Development Programme 2014-2020 Investment Plan.Project duration: March 2019 – December 2020 Project total costs EUR 3 502 839.12, of which ERDF funding is EUR 905743.44, state grant EUR 514 579.99 and municipal funding EUR 1 543 847.06. ineligible costs – EUR 538668.63.