An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures

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Resumé

The majority of renovation projects are driven by the possibility of reducing energy consumption of buildings. This, however, might result in retrofitting projects that neglects the longevity of the building. Furthermore, many evaluation techniques only consider the profitability of the energy saving measures and forget to consider, whether it is more prudent to demolished the building and erect a new building.
An evaluation approach is presented to assess whether to retrofit an existing building or to demolish and replace it. The primary concept of the method is to develop a retrofitting proposal with a profitably combination of energy saving measures. The cost of the combination of energy saving measures is evaluated against the cost of demolishing the existing building and erecting a new building including consideration of maintenance costs and operational costs. The energy price is used as constraint to determine the amount of building retrofitting for implementation. The approach includes also durability assessments of the energy saving measures.
An example is carried out to illustrate the application of the approach. The example highlights the importance of including risk assessment and durability evaluation of the energy saving measures when performing holistic energy retrofitting of buildings.
OriginalsprogEngelsk
TitelNSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper
RedaktørerJesper Arfvidsson, Lars-Erik Harderup, Anders Kumlin, Bitte Rosencrantz
Antal sider8
Udgivelses stedLund, Sweden
ForlagLunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik
Publikationsdato2014
UdgaveCD
Sider1309-1316
Artikelnummer163
KapitelRetrofitting of buildings IV
ISBN (Elektronisk)978-91-88722-53-9
StatusUdgivet - 2014
Begivenhed10th Nordic Symposium on Building Physics - Lund , Sverige
Varighed: 15 jun. 201419 jun. 2014
Konferencens nummer: 10

Konference

Konference10th Nordic Symposium on Building Physics
Nummer10
LandSverige
ByLund
Periode15/06/201419/06/2014

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Retrofitting
Energy conservation
Durability
Economics
Costs
Risk assessment
Profitability
Energy utilization

Citer dette

Morelli, M. (2014). An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures. I J. Arfvidsson, L-E. Harderup, A. Kumlin, & B. Rosencrantz (red.), NSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper (CD udg., s. 1309-1316). [163] Lund, Sweden: Lunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik.
Morelli, Martin. / An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures. NSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper. red. / Jesper Arfvidsson ; Lars-Erik Harderup ; Anders Kumlin ; Bitte Rosencrantz. CD. udg. Lund, Sweden : Lunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik, 2014. s. 1309-1316
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abstract = "The majority of renovation projects are driven by the possibility of reducing energy consumption of buildings. This, however, might result in retrofitting projects that neglects the longevity of the building. Furthermore, many evaluation techniques only consider the profitability of the energy saving measures and forget to consider, whether it is more prudent to demolished the building and erect a new building.An evaluation approach is presented to assess whether to retrofit an existing building or to demolish and replace it. The primary concept of the method is to develop a retrofitting proposal with a profitably combination of energy saving measures. The cost of the combination of energy saving measures is evaluated against the cost of demolishing the existing building and erecting a new building including consideration of maintenance costs and operational costs. The energy price is used as constraint to determine the amount of building retrofitting for implementation. The approach includes also durability assessments of the energy saving measures.An example is carried out to illustrate the application of the approach. The example highlights the importance of including risk assessment and durability evaluation of the energy saving measures when performing holistic energy retrofitting of buildings.",
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Morelli, M 2014, An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures. i J Arfvidsson, L-E Harderup, A Kumlin & B Rosencrantz (red), NSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper. CD udg, 163, Lunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik, Lund, Sweden, s. 1309-1316, Lund , Sverige, 15/06/2014.

An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures. / Morelli, Martin.

NSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper. red. / Jesper Arfvidsson; Lars-Erik Harderup; Anders Kumlin; Bitte Rosencrantz. CD. udg. Lund, Sweden : Lunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik, 2014. s. 1309-1316 163.

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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Morelli M. An approach for holistic energy retrofitting based on assessment of economic viability and durability of energy saving measures. I Arfvidsson J, Harderup L-E, Kumlin A, Rosencrantz B, red., NSB 2014: 10th Nordic Symposium on Building Physics 15-19 June 2014 Lund, Sweden : Full paper. CD udg. Lund, Sweden: Lunds Tekniska Högskola, LTH. Institutionen för Byggnadsteknik. 2014. s. 1309-1316. 163