An energy audit is an inspection, survey and analysis of energy flows for energy conservation in a building, process or system to reduce the amount of energy input into the system without negatively affecting the output(s).

Energy certification is a set of actions and procedures which include: energy audit, evaluation of actions provided by energy audit and issuing energy certificate with recommendations for the cost-effective improvement of the energy performance of the building. Energy certificate issued by an authorized company.

According to the decision of the Federal Ministry of Physical Planning (FMPU) of 31.12.2010. (Decision no. 02/10), CETEOR Ltd Sarajevo are registered as an authorized company for conducting energy audits and energy certification of buildings.