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Det självförsörjande passivhuset
Halmstad University, School of Business and Engineering (SET).
2007 (Swedish)Independent thesis Basic level (degree of Bachelor)Student thesis
Abstract [sv]

The housing sector uses 40 % of the energy in Sweden and half of the electricity usage. The

use of energy is the main reason to the increasing rate of carbon dioxide in the atmosphere.

This is the main motive but also a wish of higher safety, that is a higher rate of selfsufficient

energy production in Sweden, we want to decrease the need of using fossil fuel. Now when

the energy price rise, the interest in energy issues increase and more people discuss the

possibility of reducing the usage of fossil fuel. A change to renewable energy such as sun,

wind and water is the only solution where we can get a sustainable development.

One way to contribute to a better use of energy is to build in the principle of passive house.

The house is being built with a thick and tight insulation. If you use a heat-exchanger with

high degree of efficiency and a final heating battery on the ventilation system, the heat from

lamps, devices and the ones living in the house should be enough to fulfil the criteria of

living. The total consumption of energy is reduced by 50 % and the need of heating in the

house is reduced by 80 %. A passive house mainly uses electricity for heating which is a

shame, because it loses its fine quality when it is used for heating.

This report deals with different techniques of reducing and supply energy in a passive house.

Initiator: Sol & Energiteknik SE AB in Huskvarna

Delimitation: Only to use standard techniques.

The main principle for the energy production is local and the project deals with three different

parts. The first part deals with a passive house which uses the energy from the sun to fulfil its

energy need. The energy system consists of a PV-cell for electricity and a solar collector for

heating the tap water. The PV-cell is connected to the grid, and the grid is being used as

storage for electricity.

The second part deals with a future scenario where the PV-cell is the primary energy source

and the energy is stored as hydrogen, which can be transformed back to electricity in a fuelcell.

This solution is possible but not financial reasonable because of the high expense.

The third solution describes the possibility of using wind power as an energy source for the

passive house. By starting a wind co-operative the ones living passive houses can solve their

energy situation in an easy and economic way.

The conclusion is that it is already possible to make a passive house self-sufficient on energy.

There are still some issues that have to be solved and minimized, mainly the cost for the

whole energy system.

Place, publisher, year, edition, pages
Högskolan i Halmstad/Sektionen för Ekonomi och Teknik (SET) , 2007.
Keywords [sv]
självförsörjande, passivhuset
Identifiers
URN: urn:nbn:se:hh:diva-783Local ID: 2082/1135OAI: oai:DiVA.org:hh-783DiVA, id: diva2:238001
Uppsok
Technology
Available from: 2007-06-20 Created: 2007-06-20 Last updated: 2007-06-20

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CiteExportLink to record
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Citation style
  • apa
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More languages
Output format
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