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Vattenanvändning med energieffektiva blandare
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.ORCID iD: 0000-0002-1946-6527
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.ORCID iD: 0000-0002-3394-7618
RISE - Research Institutes of Sweden, Bioscience and Materials, Agrifood and Bioscience.ORCID iD: 0000-0002-0408-3910
2017 (Swedish)Report (Other academic)Alternative title
Water use with energy-efficient faucets (English)
Abstract [en]

This study investigated the short and long term impacts of domestic hot and cold water use and associated energy use when replacing conventional faucets in 100 apartments with energy efficient faucets labeled with energy class A-B according to the Swedish energy labeling system. The study included a behavioural study to increase the understanding of the users’ perception of the faucets and to investigate the underlying reasons for acceptance of the installed products.

 

The results showed a reduction in domestic hot water use and energy use for domestic hot water of 28 %. No reduction of cold water use could be identified although changes in occupancy of the apartments might have contributed to this result. The savings in hot water use did not diminish over the measurement period.

 

The acceptance of the energy efficient faucets did not increase over time, which was likely due to the lack of feedback on the assumption that the faucets provided the indicated savings. It was also indicated that the perception of the faucets differed between contexts in the home. The acceptance was also found to be linked to factors that could not be isolated from the faucet and its function.

Place, publisher, year, edition, pages
2017. , p. 34
Series
RISE Rapport ; 2017:50
Keywords [en]
faucets, domestic hot water, energy efficiency, energy labelling, water use
Keywords [sv]
blandare, vatten, varmvattenanvändning, kallvattenanvändning, energimärkning, beteendestudie, mätstudie
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:ri:diva-32834ISBN: 978-91-88695-15-4 (electronic)OAI: oai:DiVA.org:ri-32834DiVA, id: diva2:1163957
Projects
Vattenanvändning med energieffektiva blandare
Funder
Swedish Energy Agency, 40807-1Available from: 2017-12-08 Created: 2017-12-08 Last updated: 2018-08-16Bibliographically approved

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RISE-rapport 2017:50 Vattenanvändning med energieffektiva blandare - Teknisk rapport(784 kB)90 downloads
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Folkeson, BjörnFernqvist, NiklasNormann, Anne
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CiteExportLink to record
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