Abstract
One of the most commonly used methods for improving energy performances of buildings is reducing heating energy consumption. This paper shows a comparative analysis of building energy demand for space heating based on case studies in which building modifications were made with insulating materials of building envelopes and with different window types. For the analysis, a public building with 6 floors, located in Belgrade, was selected. For a dynamical simulation and evaluation of the applied energy efficiency measures to reduce heating energy consumption, the DesignBuilder program was used. The results show that the insulation of the building and the replacement of windows can lead to an annual reduction of heating energy up to 61%.
Highlights
In this paper, some of the most effective methods for improving energy performances of buildings are analyzed
This paper shows a comparative analysis of building energy demand for space heating based on case studies in which building modifications were made with insulating materials of building envelopes and with different window types
The results clearly show the validity of the presented measures to increase the energy efficiency of the object in question
Summary
Some of the most effective methods for improving energy performances of buildings are analyzed. The aim of the paper is to show that, with a dynamic building simulation of building thermal behavior, it is possible to calculate energy requirements for heating, recognizing the differences between energy performances of buildings in different variants. In this regard, a comparative analysis of energy needs obtained using different types of external walls insulation and glazing will be carried out. The analysis will be performed in a case study for a public object located in Belgrade.
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