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Project coordinator EURAC Alexandra Troi, [email protected]

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Project coordinator EURAC Alexandra Troi, [email protected] Historic buildings . are the trademark of numerous European cities are a living symbol of Europe’s rich cultural heritage & diversity reflect the society\'s identity and need to be protected

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Presentation Transcript
historic buildings
Historic buildings
  • are the trademark of numerous European cities
  • are a living symbol of Europe’s rich cultural heritage & diversity
  • reflect the society\'s identity and need to be protected
  • show a high level of energy inefficiency
  • contribute with considerable CO2 emissions to climate change
  • do not always offer “comfort” – to people as well as to artworks
  • considerable related heating costs may lead to fuel poverty
  • not well maintained areas might lead to depopulation

Factor 4 to 10 of reduction in energy demand is achievable, also in historic buildings, respecting their heritage value, if a multi-disciplinary approach guarantees the implementation of high quality interventions, specifically targeted and adapted to the specific case.

GovernEE final conference - Alexandra Troi

bologna
Bologna

Urban Building Regulation distinguishes buildings of

  • historic-architectural value
  • modern architecturalvalue
  • historical documentary value
  • modern documentary value

3616 buildings in citycentre

  • 60% before 1919
  • 80% before 1945

GovernEE final conference - Alexandra Troi

denmark
Denmark
  • 9,000 buildings in Denmark are listed (as the best or most characteristic of their type and period)
  • 300,000 buildings have been assessed to be worthy of preservation.

 SAVE project: documentation of buildings built before 1940

GovernEE final conference - Alexandra Troi

impact
Impact

12.1%

26.4%

25 million

55 million

55 million

120 million

1919-1945

240 Mt CO2

< 1945

14.3%

30 million

65 million

180Mt CO2

< 1919

people

dwellings %

dwellings n°

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multidisciplinary exchange
Multidisciplinary Exchange

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holistic a pproach
HolisticApproach

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research development
Research & development

CONSERVATION

COMFORT

ENERGY EFFICIENCY

living city

centres

higher surface temperatures

resource efficiency

structural

health

WIN

WIN

WIN

climate change mitigation

less draft

survive if maintained as living spaces

better air quality

social return of investment

GovernEE final conference - Alexandra Troi

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if original windows have already been replaced – as e.g. in 3ENCULT CS1

  • new energy efficient and aesthetically fitting window

Public Weigh House

Case Study Bozen/Bolzano

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“I do have overall a positive impression as regards frame & sash bar dimension as well as subdivision & proportions.

The optic of the outer glasing seems to me exagerated, both the too irregular reflection from outside, and distortion from inside. And I ask whether a 3-pane glasing for Bolzano climate is really needed.

  • conservation
  • comfort
  • energyefficiency

WIN WINWIN

GovernEE final conference - Alexandra Troi

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Höttinger School

Case Study Innsbruck

  • Need for ventilation
  • lowimpactsolution?
  • use this potential of the building!
  • fresh air reservoir in the corridors

GovernEE final conference - Alexandra Troi

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Active Overflow systems

  • conservation
  • comfort
  • energyefficiency

WIN WINWIN

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conservation

  • comfort
  • energyefficiency

WIN WINWIN

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check 3ENCULT website

  • join BUILD UP community
  • Project running until March 2014. Results to be available within the next months

GovernEE final conference - Alexandra Troi

copenhagen experience shared choices of the retrofitting solutions
Copenhagen experience:shared choices of theretrofitting solutions

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study in sachsen
Study in Sachsen

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from the specific case to
… from the specific case to …

ICLEI “translates” findings into an e-guide for local governments

ICLEI supports integration in urban planning and climate action plans

TNO addresses issues related to EPBD and related CEN standards

EURAC keeps links with CEN TC Cultural Heritage

GovernEE final conference - Alexandra Troi

involving local governments lgs why
Involving local governments (LGs): Why?

Historic building renovation: a strategic and practical step

  • Communities between past and future – valuable cultural heritage, city identity, tourism value: protecting building heritage goes hand-in-hand with sustainable energy approaches.
  • Climate change mitigation needed: Through strategic thinking, comprehensive programmes, action planning and implementation - reduce energy demand in buildings and switch to safe, secure renewable energy solutions.
  • Adaptation to climate change: Temperature increase, intensified rainfall - your buildings need protection against impacts, your costs for energy need to be reasonable (energy security).
  • Political commitment: Council has to take leadership – commit, regulate, monitor, protect. The municipality technical staff should plan,act, monitor, valuate, and report to Council.

GovernEE final conference - Alexandra Troi

involving lgs what do we offer
Involving LGs: What do we offer?
  • Addressing local governments: sharing information, offering guidance and interaction opportunities
  • Guidance – to help local decision-makers better understand better options, 4 different guidelines are under, addressing:
      • Technical solutions and innovation (“guidance for non-experts”).
      • Using case study experiences, recommend replication in other urban contexts (“what can you do as a minimum”)
      • Integration of historic buildings into urban / building / energy policy, planning and regulation.
      • Recommendations for generic replicable factors as municipal sustainability indicators (e.g. in Aalborg Commitments or Reference Framework for Sustainable Cities).

GovernEE final conference - Alexandra Troi

involving lgs what do we offer1
Involving LGs: What do we offer?

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www.effesus.eu

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epbd global content
EPBD: global content

Framework existing buildings:

  • Major renovation  minimum

energy performance requirements:

    • Building envelope, if retrofitted
    • Building systems, when installed / replaced / upgraded
  • Energy performance certificate:
    • Buildings, when constructed / sold / rented
    • Buildings, if public and > 500m2
  • Large heating and air-conditioning systems:
    • Regular inspection

GovernEE final conference - Alexandra Troi

EUSEW: Cultural Heritage and Energy Efficiency – 28 June 2013, Brussels, Belgium

epbd implementation for historic buildings
EPBD: implementation for historic buildings

Mandatory for historic buildings:

  • Large heating and air-conditioning systems:
    • regular inspection
  • Major renovation:
    • Minimum system requirements for new, replaced or upgraded technical building systems (heating, cooling, ventilation, domestic hot water)

Exemption for historic buildings:

  • Major renovation:
    • Minimum requirement for building envelope, if retrofitted
  • Energy performance certificate
  • buildings officially protected as part of a designated environment or because of their special architectural or historical merit, in so far as compliance with certain minimum energy performance requirements would unacceptably alter their character or appearance;
  • buildings used as places of worship and for religious activities;

GovernEE final conference - Alexandra Troi

EUSEW: Cultural Heritage and Energy Efficiency – 28 June 2013, Brussels, Belgium

possible requirements for historic buildings
Possible requirements for historic buildings
  • Not necessarily certain minimum energy requirements
  • The obligation to do inspections on certain aspects of the building
  • The obligation to make/display a certificate with an energy label
  • The obligation to consider the technical, environmental and economic feasibility of certain measures via e.g. an analysis
    • Combined with impact analysis on cultural heritage value?

GovernEE final conference - Alexandra Troi

EUSEW: Cultural Heritage and Energy Efficiency – 28 June 2013, Brussels, Belgium

judging the outcome
Judging the outcome
  • It’s not necessarily about reaching a certain ABSOLUTE minimum energy requirement (e.g. in MJ/m2 or CO2-emission/m2)
  • Should we judge/rate a historic building on an ABSOLUTE energy performance level?
  • Is it possible instead to focus on: what energy performance level do we reach given the possibilities?
  • So:
    • Not a focus on maximizing energy savings
    • But a focus on optimizing energy savings

GovernEE final conference - Alexandra Troi

EUSEW: Cultural Heritage and Energy Efficiency – 28 June 2013, Brussels, Belgium

case studies overview
Case studiesOverview
  • 8 case studies
    • Waaghaus, Bozen/Italy
    • Palazzo d’Accurso, Bologna/Italy
    • Palazzinadella Viola, Bologna/Italy
    • Arsenal, Kopenhagen/Denmark
    • Höttinger School, Innsbruck/ Austria
    • Speicherstadt,Potsdam/Germany
    • University building,Bejar-Salamanca/Spain
    • Strickbau,Appenzell/Switzerland

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keep updated
Keep updated!
  • Website (www.3encult.eu)
    • Information on project
    • Description of Case Studies
    • All publicdeliverables
  • Newsletter (subscriptionatwww.3encult.eu)
  • FAQ platform
  • Workshops for localgovernments
  • Study tourstocasestudies
  • Handbook
  • Conferences, Publications, University & Professional training, Trade fairs, Final Workshop, etc.

Please, for furtherinformationtocontactthecoordinator:

Alexandra Troi ([email protected]), EURAC research, Italy

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keep updated1
Keep updated!
  • International Workshopfrom 16th to 18th September 2013
  • Study Tour to CS1 & CS2 on 19th September 2013
  • 2 workshops for local governments organised by ICLEI held in Bologna and Brussels
  • 2 more workshops organised in new member states upcoming

 signup for ournewsletter!

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Thank you for your attention!

AcknowledgementThis work was financially supported by the EU FP7 program (GA n. 260162).The authors wish to express their gratitude for the financial support

[email protected]

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