EKONOMICZNA EFEKTYWNOŚĆ TERMOIZOLACJI ŚCIAN ZEWNĘTRZNYCH MUROWANEGO DOMU MIESZKALNEGO
ECONOMIC EFFICIENCY OF THERMAL INSULATION IN EXTERNAL WALLS OF A BRICK DETACHED HOUSE

Summary/Abstract: The objective of this study is to determine the economic efficiency of increasing the thermal insulation in the external walls of a brick detached house. The paper presents the cost of performing the ETICS system in two most commonly used technologies: with polystyrene and mineral wool boards. The variable costs of heating the model house have been determined in a few variants associated with various heating systems. The obtained results showed that the economic efficiency of improving the thermal insulation of external walls is achieved. The highest indexes were obtained in the case of a model house heated by electricity. The improvement of external walls thermal insulation using polystyrene EPS shows more economic efficiency than using mineral wool (MW). The effectiveness of the investment considered decreases when the thermal insulation of the external walls inecreases.

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