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Erfarenheter från flerbostadshus som passivhus: En handflata och sex värmeljus
Jönköping University, School of Engineering, JTH, Civil Engineering.
Jönköping University, School of Engineering, JTH, Civil Engineering.
2013 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Experiences from apartment houses as passive house : A palm and six tea lights (English)
Abstract [en]

All new households were to be constructed with "near zero energy house standards" (NZE-house) by the year of 2020. The ambition to construct energy-efficient buildings had to increase rapidly in the spring of 2013.The purpose of this report was to increase the interest for building contractors to construct apartment buildings with passive house standards. By locating and evaluating experiences from an existing passive house a case study including interviews, field visits and document analysis was made. Research of literature regarding other passive houses in Sweden also helped to answer the following questions:

- What positive and negative experiences have the study of the passive house meant to the involved stakeholders and residents?

- What improvements can be made based on identified experiences?

- How can an apartment building be designed as a passive house based on possible improvements?

By collecting good and bad experiences, as well as improvements and potential design proposals, a diagram was created designed as a tool for developers when constructing apartment buildings with passive house standards. The diagram was organized in the categories; material, immaterial and image. Positive experiences from the case study were for instance that estimated time table, budget and planned energy level were achieved mainly due to a designed prefabricated sandwich element of concrete and the organizational form called partnering. Negative experiences were for example problems with high temperatures in staircase areas due to glassed facades and the lack of ventilation hatches, problems with condense and frost on windows, insufficient knowledge in using technical equipment and relatively high investment costs. Improvements and potential design proposals recommended by the authors were for example vertical lamellas for sunscreen and screening of the night sky, energy watchers in each apartment for higher energy awareness and a minor use of passive house independent qualities, in order to avoid the risk of building contractors not wanting to build passive houses due to high costs.

 

The experiences in the result diagram emphasized what building contractors should focus on in order to succeed with constructing apartment buildings, with similar requirements as the building in the case study, as a passive house.

Abstract [sv]

Från år 2020 skulle alla nybyggda hus i Sverige vara av ”nära nollenergihus-standard” (NNE). Våren 2013 behövde därför ambitionsnivån att producera energisnåla nybyggnationer öka markant.

 

Syftet med rapporten var att öka attraktiviteten för byggherrar att konstruera flerbostadshus som passivhus. Genom att lokalisera och utvärdera erfarenheter från ett utfört passivhusprojekt i form av en fallstudie innefattande intervjuer, studiebesök och dokumentanalys, men även studerande av litteratur gällande andra genomförda projekt i Sverige, besvarades följande frågeställningar:

 

-        Vilka positiva och negativa erfarenheter har studerat passivhus medfört för inblandade aktörer och boende?

-        Vilka förbättringsmöjligheter finns med utgångspunkt från identifierade erfarenheter?

-        Hur kan ett flerbostadshus utformas som passivhus med hänsyn till eventuella förbättringsmöjligheter?

 

Genom att insamla positiva- och negativa erfarenheter, förbättringsmöjligheter samt potentiella utformningsförslag inom kategorierna materiella erfarenheter, immateriella erfarenheter samt image skapades förutsättningar för en sammanfattande resultattabell ämnad som ett verktyg för byggherrar vid framställande av flerbostadshus som passivhus.

 

Positiva erfarenheter från fallstudien var bland annat att uppsatt tidplan, budget och planerad energinivå levdes upp till, där ett framtaget prefabricerat sandwich-element i betong i kombination med organisationsformen partnering sågs som främsta anledningar till detta. Negativa erfarenheter var bland annat problem med övertemperaturer i trapphus på grund av stor andel glasad fasad i samband med avsaknaden av ventilationsluckor, utvändig kondens och frost på lägenhetsfönster, brister i teknikanvändandet samt en relativt hög investeringskostnad. Förbättringsmöjligheter och författarnas utformningsförslag bestod bland annat av inbyggda tvärställda lameller som sol- och natthimmelavskärmning, energibevakare i varje lägenhet för ökad energimedvetenhet samt en mindre omfattning av passivhusoberoende kvaliteter för att minska uppfattningen av passivhuskonceptet som kostnadsmässigt avskräckande.

 

Resultattabellen betonade vad en byggherre särskilt skulle tänka på för att lyckas med nybyggnation av flerbostadshus som passivhus vid likartade villkor som i fallstudien.

Place, publisher, year, edition, pages
2013. , 213 p.
Keyword [en]
Experiences, passive house, low-energy house, NZE-house, energy, 2020-objective, apartment houses, new constructions, operators, tenants
Keyword [sv]
Erfarenhet, passivhus, lågenergihus, NNE-hus, energi, 2020-målet, flerbostadshus, nybyggnation, aktörer, boende
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:hj:diva-22607OAI: oai:DiVA.org:hj-22607DiVA: diva2:666942
Subject / course
JTH, Civil Engineering; JTH, Civil Engineering
Supervisors
Available from: 2013-11-29 Created: 2013-11-24 Last updated: 2013-11-29Bibliographically approved

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