Publications
ZEP-report 27-2016. SINTEF Academic Press. ISBN 978-82-536-1507-3
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2016
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2016
Abstract The Zero Village Bergen consists of a total floor area of ca. 92 000 m2, with more than 700 dwellings divided between terraced houses (68% of total floor area) and apartment blocks (25%) and some area dedicated to non-residential purposes such as offices, shops, and a kindergarten (7%). The project is currently in the planning phase and the strategy for achieving the ZEB-O goal1 is based on three steps: first, minimize energy demand through energy efficiency of the buildings; second, maximize PV generation on the buildings' footprint; and third, consider additional measures onsite and nearby (e.g. local heating system…
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Two exemplar green developments in Norway: Tales of qualculation and Nonqualculation
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2016
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2016
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Books
Architectural design og Zero Emission Buildings - The case of the LivingLAB at the ZEB research centre
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2016
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2016
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Følge seg friskere i nullutslippshus
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2016
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2016
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ZEB Pilot buildings – overview
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2016
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2016
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Norway demonstrates zero emission buildings
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2016
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2016
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ZEB Pilot house Larvik (Multikomfort) – As built
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2012
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2012
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5 Zero Energy Dwellings at Skarpnes, Arendal
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2016
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2016
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Nanotech Based Vacuum Insulation Panels for Building Applications
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2016
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2016
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Nano-Based Thermal Insulation for Energy-Efficient Buildings
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2016
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2016
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Aerogel vs. argon insulation in windows: A greenhouse gas emissions analysis
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2016
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2016
Abstract The scope of this study is a comprehensive analysis of the greenhouse gas emissions from the partial substitution of triple-glazing units with argon gas (U-value of 0.79 W/m2 K) with double-glazing units with either monolithic aerogel (U-value of 0.65 W/m2 K) or granular aerogel (U-value of 0.31 W/m2d K). A residential building located near Oslo and fully upgraded with passive house solutions is used as a case study for this analysis. A cradle-to-site analysis is performed on the facade components. Two replacement schedules and three window-to-wall ratios are used to evaluate the differences in total emissions. Sensitivity analyses based on increasing the fraction of the…
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Professor savner solcellesatsing i Norge
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2016
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2016
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Metode for bærekraftig optimalisering av ventilasjonssystemer: PhD-kandidater ble tildelt best paper award
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2016
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2016
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Green leasing in theory and practice: A study focusing on the drivers and barriers for owners and tenants of commercial offices
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2016
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2016
Abstract This paper investigates the drivers and barriers for green leasing associated with the relationship between building owners and tenants, whilst also considering the extent to which this should be considered during the life cycle phases of a building. The procurement of appropriate rental property and its services is an important consideration for businesses. In terms of issues associated with this, few are more topical than factoring in sustainability. Emerging from this trend is a leasing product that deals with this directly. This product is a green lease. This not only impacts on the operations associated with a tenancy, but…
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Cost-optimal energy system design in Zero Energy Buildings with resulting grid impact: A case study of a German multi-family house
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2016
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2016
Abstract Zero Energy Buildings (ZEBs) are considered as one of the key elements to meet the Energy Strategy of the European Union. This paper investigates cost-optimal solutions for the energy system design in a ZEB and the subsequent grid impact. We use a Mixed Integer Linear (MILP) optimisation model that simultaneously optimises the building’s energy system design and the hourly operation. As a ZEB have onsite energy generation to compensate for the energy consumption, it is both importing and exporting electricity. The hourly time resolution identifies the factors that influence this import/export situation, also known as the building’s grid impact.…
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On the oversupply of heat to bedrooms during winter in highly insulated dwellings with heat recovery ventilation
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Publication Year:
2016
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Publication Year:
2016
Abstract The study presented in this paper originated from observations made regarding the thermal conditions during winter in highly insulated dwellings with mechanical ventilation with heat recovery (MVHR). Previous observations indicate an oversupply of heat to bedrooms and a successive extensive window ventilation, which leads to an increased space-heating demand. Detailed simulations were conducted to explain the causes for the observed thermal conditions and to elaborate improved solutions for heating and ventilation during winter. Various MVHR solutions and control strategies, as well as building design solutions, were investigated regarding their impact on the thermal conditions in bedrooms and on the…
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Simple modelling procedure for the indoor thermal environment of highly-insulated buildings heated by wood stoves
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2016
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2016
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From Law to Turnkey: Negotiating Sustainability in Buildings
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2014
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Publication Year:
2014
This PhD thesis provides an analysis of central processes related to the creation, negotiation and communication of the future sustainable building in Norway. Both researchers and practitioners have pointed at the Planning and Building Act as a central means to speed up the process and to set the frames for a sustainable development. Based on interviews with experts, I conclude that the building laws are never a direct translation of research results, EU directives and international agreements. These have to be translated, adapted and mediated, i.e. domesticated, to the Norwegian climate and cultural conditions. Particularly in Norway, building researchers consider…
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Zero Village Bergen. Norges mest ambisiøse null-utslipps-områdeprosjekt
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2015
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2015
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Fuktbufring i materialer og påvirkning på energibehov – en kunnskapstatus
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2015
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2015
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The ZEB Research Centre and Pilot Buildings
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2015
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2015
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Naturlig ventilasjon i nullutslippsbygg
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2012
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2012
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Skal skape verdens mest klimavennlige kontorbygg
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2015
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2015
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Materialer i energi- og klimaregnskapet - Hvor viktig er det?
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2015
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2015
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Skal bygge verdens mest energivennlige skole på Kolstad
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2015
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2015
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The Research Center on Zero Emission Buildings
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2015
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2015
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Material research for zero emission buildings
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2015
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2015
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Hourly Electricity Load Modelling of non-residential Passive Buildings in a Nordic Climate
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2015
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2015
Abstract Detailed knowledge of electricity demand is essential for power system planning and operation. EUs 20-20-20 targets will increase the development of more energy efficient buildings as all new buildings shall be “nearly zero energy buildings” by 2020. The result from this ambition is that so-called passive buildings and nearly-net-zero-energy-buildings (nZEB), with lower energy demand, or even onsite power generation, will significantly change the way buildings are integrated in the power system. System operators must consequently prepare for changes in load profiles. However, the knowledge on the aggregated impact of nZEBs is so far limited because the actual number of such buildings is still very small. This paper contributes to this knowledge…
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Energy use consequences of ventilative cooling in a ZEB residential building
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2015
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Publication Year:
2015
Abstract New buildings have to satisfy ever-tightening standards regarding energy efficiency and consumption. This results in higher insulation levels and lower air leakages that reduce heating demands. However, even at moderate outdoor temperatures these buildings are easily warmed up to such a degree that in order to ensure acceptable indoor environment quality, removal of excess heat becomes unavoidable. Use of electric energy related to mechanical cooling is considered incompatible with achieving zero energy buildings (ZEB). The use of ventilative cooling (VC) in combination with mechanical cooling means energy consumption reduction due to lower use of mechanical ventilation and cooling system.This…
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Ventilative cooling as a solution for highly insulated buildings in cold climate
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2015
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Publication Year:
2015
AbstractNew and refurbished buildings have to relate to ever increasing standards regarding energy efficiency and energy consumption. This results in well insulated building envelopes with low air leakages offering reduced heating demands. One of the downsides of this is that these buildings are easily warmed up to such a degree that in order to sustain an acceptable indoor climate, removal of excess heat becomes a necessity. The removal of surplus heat is often done through means of mechanical cooling. However, energy consumption related to mechanical cooling is considered incompatible with achieving zero energy buildings (ZEB). As a response, the use…
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Evaluering av boliger med lavt energibruk
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2015
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2015
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Fremtidige krav til utforming av bærekraftige bygninger og energiforsyning
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2015
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2015
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Zero Village Bergen. Fremtidens bærekraftige boligomraade
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2015
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2015
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New solutions for facade energy insulation. Examples from some research projects
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2015
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2015
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Isolasjon i bygg «Å bygge energieffektivt handler om mye mer enn bare tykke vegger»
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2015
Publication Year:
2015
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Teknologien verden vil ha. Her er listen over store løsninger og bitte små dingser som kan redde klimaet. Kanskje kan de også gjøre livet godt å leve?
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2015
Publication Year:
2015
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User evaluation of the indoor climate of the first passive house school in Norway
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2015
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Publication Year:
2015
Abstract The indoor climate of the first passive house school in Norway was evaluated with the aid of a questionnaire (Örebro) with approximately 340 respondents, and three interview rounds with a total of 23 informants. The intention was to reveal whether the users experienced any problems or possibly better conditions than in a regular school building. The interviews showed that, overall, the users were satisfied with the building. The survey showed generally good results for the indoor climate. Questionnaire results were compared with reference material consisting of data for average school buildings. The indoor climate of Marienlyst School was better…
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Perspective of aerogel glazings in energy efficient buildings
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Publication Year:
2015
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Publication Year:
2015
Abstract The application perspective of aerogel glazings in energy efficient buildings has been discussed by evaluating their energy efficiency, process economics, and environmental impact. For such a purpose, prototype aerogel glazing units have been assembled by incorporating aerogel granules into the air cavity of corresponding double glazing units, which enables an experimental investigation on their physical properties and a subsequent numerical simulation on their energy performance. The results show that, compared to the double glazing counterparts, aerogel glazings can contribute to about 21% reduction in energy consumptions related to heating, cooling, and lighting; payback time calculations indicate that the return…
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Performance of a lab-scale membrane-based energy exchanger
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Publication Year:
2015
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Publication Year:
2015
Abstract Efficient energy recovery from used air with the goal of reducing energy use is important for realizing low energy houses. Rotary heat exchangers are very energy efficient, but have the drawback of transferring odours from exhaust air to fresh supply air. To avoid this, flat plate heat exchangers are commonly used where odour transfer might cause problems. Nevertheless, these may not properly handle water condensation and frost formation at low outdoor temperatures. The so-called membrane-based energy exchangers are an alternative to the flat plate heat exchanger. In a membrane-based exchanger, moisture is transferred from the humid exhaust air to…
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Effective ventilation in high performance buildings
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2015
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Publication Year:
2015
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Eit levande laboratorium. Eksperiment i nullutsleppsbygg på Gløshaugen
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2016
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2016
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Veien mot nullutslippsbygg
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2015
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2015
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Byggenæringen må ta og tar klimautfordringene på alvor
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2016
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2016
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