INFLUENCE OF THE WINDOW TYPE ON THE PROFITABILITY OF INVESTMENTS IN ENERGY-EFFICIENT BUILDING CONSTRUCTION
Klaudia URBAŃSKA1, Arkadiusz DYJAKON2
1SKN BioEnergia, Uniwersytet Przyrodniczy we Wrocławiu Wydział Przyrodniczo-Technologiczny
2Uniwersytet Przyrodniczy we Wrocławiu Wydział Przyrodniczo-Technologiczny
DOI: https://doi.org/10.17512/bozpe.2017.2.10
Article (PDF)
KEYWORDS
energetic efficiency, energy-efficient building construction, windows, heat, transfer coefficient
TOPICS
Energy-efficient construction, Construction and engineering constructions, Architecture in sustainable construction
ABSTRACT
Increased interest in environmental protection issues, reduction of pollutants emission to the atmosphere, and in particular the improvement of the energy efficiency of buildings has led to the intensive development of material technology and constructional solutions. One of the fastest growing industries is the one engaged in providing new window technologies. Unfortunately, a new technologies are often related to very high investment costs. The paper shows the relationship between the type of the window and the economic and environmental effect. The main aim of the study is to compare the different types and classes of windows in the context of their impact on the primary energy demand ratio EP and economic efficiency. It was shown, that the payback period for the investment in windows depends on costs of windows as well as on the energy source of the heating system in the building. As a result, the investment payback period varies from few years until several decades.
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