<p>The housing sector uses 40 % of the energy in Sweden and half of the electricity usage. The</p><p>use of energy is the main reason to the increasing rate of carbon dioxide in the atmosphere.</p><p>This is the main motive but also a wish of higher safety, that is a higher rate of selfsufficient</p><p>energy production in Sweden, we want to decrease the need of using fossil fuel. Now when</p><p>the energy price rise, the interest in energy issues increase and more people discuss the</p><p>possibility of reducing the usage of fossil fuel. A change to renewable energy such as sun,</p><p>wind and water is the only solution where we can get a sustainable development.</p><p>One way to contribute to a better use of energy is to build in the principle of passive house.</p><p>The house is being built with a thick and tight insulation. If you use a heat-exchanger with</p><p>high degree of efficiency and a final heating battery on the ventilation system, the heat from</p><p>lamps, devices and the ones living in the house should be enough to fulfil the criteria of</p><p>living. The total consumption of energy is reduced by 50 % and the need of heating in the</p><p>house is reduced by 80 %. A passive house mainly uses electricity for heating which is a</p><p>shame, because it loses its fine quality when it is used for heating.</p><p>This report deals with different techniques of reducing and supply energy in a passive house.</p><p>Initiator: Sol & Energiteknik SE AB in Huskvarna</p><p>Delimitation: Only to use standard techniques.</p><p>The main principle for the energy production is local and the project deals with three different</p><p>parts. The first part deals with a passive house which uses the energy from the sun to fulfil its</p><p>energy need. The energy system consists of a PV-cell for electricity and a solar collector for</p><p>heating the tap water. The PV-cell is connected to the grid, and the grid is being used as</p><p>storage for electricity.</p><p>The second part deals with a future scenario where the PV-cell is the primary energy source</p><p>and the energy is stored as hydrogen, which can be transformed back to electricity in a fuelcell.</p><p>This solution is possible but not financial reasonable because of the high expense.</p><p>The third solution describes the possibility of using wind power as an energy source for the</p><p>passive house. By starting a wind co-operative the ones living passive houses can solve their</p><p>energy situation in an easy and economic way.</p><p>The conclusion is that it is already possible to make a passive house self-sufficient on energy.</p><p>There are still some issues that have to be solved and minimized, mainly the cost for the</p><p>whole energy system.</p>
| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:hh-783 |
| Date | January 2007 |
| Creators | Turkusic, Merzuk |
| Publisher | Halmstad University, School of Business and Engineering (SET), Högskolan i Halmstad/Sektionen för Ekonomi och Teknik (SET) |
| Source Sets | DiVA Archive at Upsalla University |
| Language | Swedish |
| Detected Language | English |
| Type | Student thesis, text |
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