| Summary: | This bachelor thesis aims at investigate how a specified house can optimize its energy consumption. Today the house often stands for the major part of the energy consumption in a consumers’ life, whereas an energy optimization creates economic as well as environmental advantages. It is important to make old houses more energy efficient, but putting high energy demands on new houses could be argued to be more important. The installations functions as both the heart and brain in a house, thus making it important to energy optimize these. Since the background describes the importance of energy efficiency and optimization in a house, the focus area of this report will be an investigation of different types of heating systems in order to be able to choose the one most suited for the house. Aspects considered when choosing the heating system was how economic the system is both in service- and investment costs and how environmental and operational friendly the system is. Through literature reviews there were sufficient information gathered that served as a foundation when comparing and choosing between the four systems - district heating, pellet-fired boiler, geothermal heating and solar heating. The comparison aims at investigate which of the systems that will suit the house best, based on given conditions. Solar heating could be eliminated since the angel of the roof is too flat. Pellet-fired boiler was deemed too demanding for the consumer since it requires constant maintenance – something which is not desirable given that the house is designed for a family. Depending on what is combusted in the district heating the environmental impact could either be minimized or maximized, but even with the environmental impact minimized district heating is still more expansive in the longer run than geothermal heating. This led to that geothermal heating was considered the most suitable heating system option for the house, a cheap system that requires no maintenance and does not affect the environment.
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