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Energieffektivisering i småhus: Vilka tekniker krävs för vilka energinivåer och lågenergihustyper?
Karlstad University, Faculty of Health, Science and Technology (starting 2013).
2012 (Swedish)Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesisAlternative title
Energy optimisation for buildings with 1-2 apartments : Which techniques are necessary for certain energy levels and given types of low energy houses? (English)
Abstract [sv]

Examensarbetet går ut på att, främst med användning av programmet VIP-Energy, sålla ut vilka tekniker för att sänka den specifika energianvändningen hos hus som kan betraktas som rimliga respektive dyra och om kravnivåerna på specifik energianvändning för lågenergihus innebär rimliga eller dyra tekniker.

   Teknikerna sorterades upp enligt följande:

Indragna fönster, duschvärmeväxlare, avloppsvärmeväxlare, solfångare, FTX och solceller bedöms som rimliga tekniker för att sänka specifik energianvändning.

Kombinationen solfångare-duschsvärmeväxlare och kombinationen solfångare-avloppsvärmeväxlare bedöms som dyra tekniker.

Att sänka fönsternas U-värde från 0,8 till 0,7 i ett välisolerat hus bedöms som rimlig teknik medan att sänka U-värdet från 1,7 till 1,2, 0,9 eller 0,7 i ett dåligt isolerat hus bedöms som dyr teknik

Tätning och extra isolering bedöms som rimlig teknik i ett dåligt isolerat hus och dyr teknik i ett välisolerat hus.

   Alla tekniker som krävs för kravnivåerna för specifik energianvändning hos lågenergihus hörde till de rimliga.

Abstract [en]

The point of this thesis is to, mainly by using the program VIP-Energy, sift out which techniques used for reducing specific energy use in houses that can be seen as reasonable or expensive and if the demanded levels for specific energy use in low energy houses involves reasonable or expensive techniques.

   The techniques were sorted as following:

Windows moved to the center of the wall, heat exchanger for showers, heat exchanger for drainage, sun panels, MVHR and solar cells are assessed as being reasonable techniques to reduce specific energy use.

A combination of sun panels and heat exchanger for drainage and a combination of sun panels and heat exchanger for showers are assessed as being expensive techniques.

To reduce the U-value for the windows from 0,8 to 0,7 in a well insulated house is assessed as being a reasonable technique while reducing U-value for the windows from 1,7 to 1,2, 0,9 or 0,7 in a poorly insulated house is assessed as being an expensive technique.

Increased airtightness and extra insulation is assessed as being a reasonable technique in a poorly insulated house but is assessed as being an expensive technique in a well insulated house.

   All techniques necessary for the demanded levels of specific energy use in low energy houses belong to the group which was assessed as being reasonable.

Place, publisher, year, edition, pages
2012.
Keywords [sv]
specifik energianvändning, lågenergihus, VIP-energy
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:kau:diva-29215Local ID: BYI-21OAI: oai:DiVA.org:kau-29215DiVA, id: diva2:652109
Subject / course
Construction Engineering
Educational program
Study Programme in Building and Construction Engineering
Supervisors
Examiners
Available from: 2013-10-08 Created: 2013-09-29 Last updated: 2016-04-01Bibliographically approved

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