The report analyzes energy efficiency in public buildings. A mathematical model was developed describing the relationship between energy savings and heated space in buildings with energy saving measures implemented. The resulting model can be used to predict energy savings of buildings with an accuracy of 82%. The results facilitate the process of determining the energy savings of buildings in which energy-saving measures are to be implemented.
The report analyzes the results of the implemented measures to improve energy efficiency in Vasil Karagiozov High school of Yambol, Bulgaria. Energy savings are determined by measuring and/or calculating energy consumption with previously adopted baseline levels, implementing a measure or program to improve energy efficiency by providing normalized corrections corresponding to the impact of specific climatic conditions on energy use. A reference heating energy consumption of 38.62 kWh/m2 was determined after the renovation of the building. Comparing the reference energy costs for heating before and after the implementation of the energy saving measures show a real decrease of the energy consumption for heating by 53.44%. Compared to the reference energy consumption for heating before and after the energy saving measures show an actual reduction of energy consumption for heating by 47.86%.
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