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Energikartläggning av ett 1970-tals lägenhetshus på Skarpövägen i Nacka kommun: Simulering av energibesparande åtgärder i ”IDA Indoor Climate and Energy”
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2014 (Swedish)Independent thesis Basic level (university diploma), 180 HE creditsStudent thesisAlternative title
Energy mapping of a apartment block from the 1970s on Skarpövägen, Nacka municipality (English)
Abstract [en]

This study has been carried out in the spring of 2014 on behalf of PQR Consult AB in Stockholm. The aim of the study has been to analyse the energy usage of the building Skarpövägen 1 in order to explore the possibilites of saving energy by using appropriate equipment. These possible solutions have been simulated by using the programe IDA Indoor Climate and Energy, combined with a life cycle cost analysis. The laundry building, Skarövägen 23, has also been analysed due to its high amount of energy usage. The result of the energy analysis showed that the energy usage was much higher than the energy declaration. The energy usage of Skarpövägen 1 was 193 kWh/m2, which is 25 % higher than the energy declaration of 155 kWh/m2. Based on the energy saving actions, the most profitable investment would be to install heat recycling that would save 47470 kWh district heating per year with a pay-back time of 14 years. The results for the laundry building showed that there is a possibility to save up to 75% of the electricity usage by replacing certain equipment that is dependent on a high amount of energy. Throughout the whole analysis it has been clear that the energy usage in the buildings are higher than necessary. However, the energy saving actions have shown that there are ways to reduce the usage in the buildings. Some changes are simple to make while others would take longer, with varied pay-back time. In the long run those changes are vital for a sustainable reduction of energy usage.  

Abstract [sv]

På uppdrag av PQR Consult AB i Stockholm har detta examensarbete utförts under våren 2014. Syftet var att utföra en energikartläggning av byggnaden Skarpövägen 1 och simulera energibesparande åtgärder i programmet IDA Indoor Climate and Energy. Utöver detta har en livscykelkostnadsanalys gjorts för att underlätta ekonomiska jämförelser. Även tvättstugan, Skarpövägen 23, har delvis kartlagts eftersom den har en hög energianvändning med all elutrustning i byggnaden. Resultatet i energikartläggningen visade att energianvändningen var betydligt högre än energideklarationens värden. För Skarpövägen 1 var energianvändningen 193 kWh/m2 vilket är ca: 25 % högre än energideklarationens 155 kWh/m2. Efter att ha utvärderat de simulerade energibesparingsåtgärderna för Skarpövägen 1 så dras slutsatsen att den mest lönsamma investeringen skulle vara att installera ett värmeåtervinningssystem vilket skulle ge en besparing på 47470 kWh fjärrvärme per år och ha en återbetalningstid på 14 år. Resultatet för tvättstugan visade att 14880 kWh el årligen skulle sparas om torkskåpen byttes ut, vilket är en sänkning med ca: 75 % av elbehovet jämfört med befintliga torkskåp. De energibesparande åtgärderna har visat att utrymme finns för besparingar i byggnaderna vilket är ett viktigt steg på vägen att minska energianvändningen i bostadssektorn.

Place, publisher, year, edition, pages
2014. , 41 p.
Keyword [sv]
Energi, energiteknik, energieffektivisering, energikartläggning, energianalys, ida ice, ida indoor climate and energy
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:umu:diva-90554OAI: oai:DiVA.org:umu-90554DiVA: diva2:728454
External cooperation
PQR Consult AB
Subject / course
Energiteknik
Educational program
Bachelor of Science Programme in Energy Engineering
Supervisors
Examiners
Available from: 2014-06-27 Created: 2014-06-24 Last updated: 2014-06-27Bibliographically approved

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CiteExportLink to record
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Citation style
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