Project Stakeholder

Energy Saving in Residential Multistorey Buildings – Romania

Energy Saving in Residential Multistorey Buildings – Romania

Facility and Initial Situation


  • Residential multistorey buildings
  • 195 Owner Associations

Initial Situation 

  • The thermophysical characteristics of buildings’ envelope are very low.
  • However, the energy performance was very high compared to national regulations.

Goals and Measures

Goals of building owner

  • Reduction of energy consumption costs.
  • Renovation of buildings.


  • Envelope thermal insulation;
  • Changing of glazes and closing balconies;
  • Reduction of air infiltration;
  • Rehabilitation of heating distribution pipes and thermostatic valves.
  • Other energy efficiency measures: lighting optimization in common spaces


Duration of the contract 4 years
Investment 130.201.193 €
Energy costs 2018 (Baseline) 13.342.542€
Guaranteed savings in Euro 9.015.231€/a
Guaranteed savings in % 48%
Reduction of CO2 emissions 75.765 t/a

Innovations and Client’s Advantages

  • Residential buildings are the main energy consumer, consequently increasing energy performance lead to CO2
  • Through flexible energy performance contracting (EPC) the District 6 reduced about 40% of its CO2

Picture: © District 6 of Bucharest

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