EPC pilot project © rakovica
Karlovac County

Project Stakeholder

Karlovac County

EPC in primary school “Eugen Kvaternik” in Rakovica – Croatia

Facility and Initial Situation


The building consists of three internally connected wings and has two floors as well as a sports hall. It is located in the municipality of Rakovica, Karlovac County (Croatia).

Initial Situation

The school was built in 1970 and was reconstructed in 2010. Lighting was replaced in the school hall as well as in classrooms on the first floor. The heating system is based on heating oil boiler and will be replaced by a biomass boiler. Concerning the current situation, the reconstruction of the exterior walls and the floor of the attic with the installation of adequate insulation is needed. It is also planned to replace  T8 fluorescent lighting by T5 fluorescent lighting as well as incandescent light bulbs by compact fluorescent bulbs.

Goals and Measures

Goals of building owner

  • Energy reconstruction of the school building (heating system, lighting and outer shell)
  • Lowering energy costs
  • Improvement of working conditions for teachers and pupils


  • Reconstruction of heating system (boiler refurbishment) and fuel change (biomass)
  • Installation of inner efficient lighting
  • Refurbishment of outer building shell


Installation of energy efficiency measures

2016 – 2017

Duration of the contract

12 years


309,171 €

Energy costs (Baseline)

26,102 €

Guaranteed savings in Euro

17,427 €/a

Guaranteed savings in %

  53 %

Reduction of CO2 emissions

93,3 t/a

Innovations and Client’s Advantages

  • Implementation of three energy efficiency measures
  • Primary school Eugen Kvaternik reduces 93,3 tons of CO2 emissions annually,
  • The building owner will enjoy significantly lower energy costs due to implemented energy efficiency measures.
  • The quality of work and residence for the teachers and pupils will be significantly improved.

Picture: © rakovica

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