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Analysis of the use of different standards for estimation of energy efficiency measures in the building sector

Original scientific paper

Journal of Sustainable Development of Energy, Water and Environment Systems
ARTICLE IN PRESS (volume and issue assigned later), 1080375
DOI: http://dx.doi.org/10.13044/j.sdewes.d8.0375
Maliq Pireci1 , Igor Vušanović2
1 ”Saraji” 78/b, 20000 Prizren, Kosovo
2 University of Montenegro, George Washington St. bb, 81000 Podgorica, Montenegro

Abstract

An energy performance study of a building using the Montenegrin and European Standard on Energy Building Performance and the RETScreen software to compare the results from analysis for a one chosen hospital building is presented. In this study, the appropriate mathematical model of calculation is performed for the purpose of the analysis, using Excel software and algorithm which has been proposed by the above mentioned standard (the monthly method). The inspection of the current conditions of hospital building in Prizren, Kosovo is done and energy efficiency measures are proposed for improving the conditions of stay. All data are collected and gained through the inspection, and calculations are performed for existing and proposed condition of the building. The obtained results for both models are compared and show that most of the energy indicators have small differences in percentage among each other. There is a difference in carbon dioxide emission reduction between two models, due to the fact that calculations with the European standard resulted in the need of higher energy for cooling after the energy efficiency measures (14.75 megawatt hour), and considering that the source of energy for cooling is electricity, in terms of the Carbon dioxide equivalent emission, this means 21.21 tons Carbon dioxide equivalent, more to be emitted after the energy efficiency measures.

Keywords: MEST EN 13790 Standard, Mathematical modelling, RETScreen software, Energy efficiency, EE measures.

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