Carrying out an energy efficiency audit, prescribing energy saving measures to attain a C-class minimum of energy consumption and compiling a certificate of the current state of energy consumption residential blocks in the city of Dobrich - Drujba blvd. 15, Drujba Blvd. 39, 49 Russia Blvd., Marin Drinov Str. B, ul. Kubadin 1 ul. Dunav bl. 20; city of Varna - Vazrajdane blvd. 40, Vazrajdane Blvd. 59, Mladost bl. 146, Svoboda St 18, 2-4 Balcapan St, ul. Moore 17, Vl. Varnenchik bl. 27, жк Вл. Varnenchik bl. 307 ent. 1-2. Pleven, 10, General Vladimir Vazov Str. General Toshevo - Stanevo Milev str., Alexander Dimitrov Blvd., bl. 1.