London, May 17th, Manfred Hegger From Passivhaus to Active House Sustainable and Energy Efficient Architecture

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1 London, May 17th, 2011 Manfred Hegger From Passivhaus to Active House Sustainable and Energy Efficient Architecture 1

2 Energy Issues in Building 2

3 3 History of Architecture The Megaron House (Socrates) Quelle: Solpower

4 Priene 4 1. History of Architecture Roman Urban Design

5 Kasbah, Draa-Tal, Marokko Quelle: Solpower 5 1. History of Architecture Passive Solar Cooling

6 Pieter Breughel 6 1. History of Architecture Built Form to protect from the Cold

7 7 1. History of Architecture The Ticino House Climatic Zoning

8 8 1. History of Architecture The Modern Movement

9 9 1. History of Architecture The Modern Movement

10 10 Architecture in Search of a Compass

11 Sustainable Architecture? 11

12 DGNB LEED CA BREEAM LEED HQE TQ MINERGIE-ECO CASBEE SICES LEED VAE EEWH LEED IN LEED BR Green Star Green Star NZ 12 International Certification Systems

13 Number of Buildings Voluntary Incentive System Bronze Silver Gold Legal Regulations Building Performance 13 The German DGNB System A vountary incentive system

14 2. DGNB Certification system: holistic building evaluation 6 areas of evaluation 49 criteria 14 The German DGNB System holistic buidling evaluation

15 2. DGNB Certification System for Sustainable Building Weighting of evaluation areas Protection Area Natural Environment Natural Resources Health Economic Value Social & Cultural Values Protection Goal Protection of the Environment Protection of Natural Resources Decreased Life-Cycle Costs Guarantee of Economical Value Assurance of Health & Thermal Comfort People-friendly Surroundings / Guarantee of Social and Cultural Value Assessment Ecological Economical Quality Quality 22,5% 22,5% Technical Quality Process Quality Site Quality Sociocultural and Functional Quality 22,5% 22,5% 10,0% 15 The German DGNB System Evaluation Areas/Weighting

16 2. DGNB Certification System for Sustainable Building Ecological quality Economical quality Sociocultural & functional quality Technical quality Process quality Site quality 16 DGNB The German DGNB System Criteria

17 Independent, transparent certification system Objective Criteria and Benchmarks Calculation of Eco-balance via Environmental Product Declarations (EPD s) Transparent Risk Management Pre-Certificate goal definition and integrated planning at an early stage Calculation of Life Cycle Costing (LCC) and -Analysis (LCA) Breakdown of results 17 The German DGNB System 2nd generation Certification System

18 Embodied Energy 18

19 1995 Gründerzentrum Hamm 19 Eco Centre Hamm (HHS)

20 20 Eco Centre Hamm (HHS) Flexibility, Energy Efficiency

21 21 Eco Centre Hamm (HHS) Recycling, Insulation

22 22 Eco Centre Hamm (HHS) Integrated Hot Air collector

23 MVRDV; Erweiterung eines Krankenhauses 23 Materiality Lightness

24 MVRDV; Erweiterung eines Krankenhauses 24 Materiality Lightness

25 Luczak Architekten; Wohnen im Hochbunker 25 Materiality Re-use

26 26 Materiality Re-use

27 27 Materiality Re-use

28 28 Materiality I Hessencampus Wolfhagen (HHS) From former barracks/tank shelter

29 29 Materiality I Hessencampus Wolfhagen (HHS) into vocational training centre

30 Vorprodukte-Herstellung Herstellung Rohstoff-Abbau Entsorgung Recycling Nutzungsphase Quelle: PE International / IBP Uni Stuttgart 30 Materiality Materials Life Cycle 13. Mai 2011 Fachbereich Architektur Institut Entwerfen und Energieeffizientes Bauen Prof. Manfred

31 Quelle: Baustoffatlas 31 Materiality Materials Choice, Eco-Balance Data

32 32 Materialien Information

33 Passivhaus 33

34 Office Building/Passive House Kassel/Germany, HHS Planer + Architekten 34 Enery Efficient Building Passive House Standard Office Building 1995 (HHS)

35 Office Building/Passive House Kassel/Germany, HHS Planer + Architekten 35 Enery Efficient Building Passive House Building Form 1995 (HHS)

36 Office Building/Passive House Kassel/Germany, HHS Planer + Architekten 36 Enery Efficient Building Use of Solar Radiation and Sun Protection

37 37 Enery Efficient Building Insulation Standards and Natural Ventilation

38 38 Enery Efficient Building Intermediary Climatc Zone and Energy Production

39 Active House 39

40 2000 Akademie Mont-Cenis Herne 40 Akademie Mont-Cenis Herne (Jourda/HHS Architekten)

41 41 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Micro-climatic envelope Buckminster Fuller: Manhattan

42 42 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Associated resesarch

43 43 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Brown field site renewal

44 44 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Simplicity

45 Jourda+Perraudin/ HHS Planer & Architekten; Fortbildungsakademie 45 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Barrier-free circulation

46 Jourda+Perraudin/ HHS Planer & Architekten; Fortbildungsakademie 46 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Access for all

47 Jourda Architectes/ HHS Planer & Architekten; Fortbildungsakademie 47 Akademie Mont-Cenis Herne Energy-producing building envelope

48 48 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) BIPV

49 49 Akademie Mont-Cenis Herne (Jourda/HHS Architekten) Surplus energy

50 50 Energy Demand Requirements, Building practice and Pilot Projects

51 51 Energy Demand Development of total energy demand for housing

52 Other renewable Solar thermal Solar electrical Wind Biomass Water power Nuclear Natural Gas Coal Oil Grafikquelle: eigene Darstellung Informationsquelle: Wissenschaftlicher Beirat Globale Umweltveränderungen WBGU 52 Energy The future of global energy provision

53 RENEWABLE ENERGY RESOURCES/a FOSSIL ENERGY RESOURCES total WORLD ENERGY DEMAND 16 TWh per year Natural gas 215 TWh total Wind TWh per year Waves TWh per year Petroleum 240 TWh total Solar TWhper year Otec 3-11 TWh per year Uranium TWh total Biomass 2-6 TWh per year Tides 0.3 TWh year Hydro 3-4 TWh per year Geothermal TWh per year Coal 900TWh total Quelle: Velux Model Home Energy Available resources

54 54 Energy Information

55 Plus Energy Houses 55

56 2007 Solar Decathlon TU Darmstadt Prototype Home - Solar Decathlon 2007, Washington (TU Darmstadt)

57 Prototype Home - Solar Decathlon 2007 Communication

58 Eingang/Arbeitsplatz Wohnzone Prototype Home - Solar Decathlon 2007 Adaptability

59 Prototype Home - Solar Decathlon 2007 Space Economy

60 Essbereich Schlafbereich Prototype Home - Solar Decathlon 2007 Materials Economy

61 Bad Prototype Home - Solar Decathlon 2007 Adaptability

62 Prototype Home - Solar Decathlon 2007 Productive Facades

63 Building design means. Compact building form. Highly insulated. Passive solar gains. Heat storage. Natural ventilation. Efficient sun protection Prototype Home - Solar Decathlon 2007 Passive Means

64 Technical means. Photovoltaic cells. Solar thermal collectors. Heat pumps/heat recovery Prototype Home - Solar Decathlon 2007 Active Means

65 09 Energy Balance (Energiebilanz) Prototype Home - Solar Decathlon 2007 Energy balance

66 01 Architecture (Architektur) 02 Engineering (Konstruktion und Technik) 03 Communications + Documentation (PR) 04 Appliances (Haushaltsgeräte) 05 Market Viabilitiy (Vermarktungsstrategie) 06 Comfort Zone (Behaglichkeit) 07 Hot Water (Duschkontest) 08 Lighting (Tages- und Kunstlicht) 09 Energy Balance (Energiebilanz) 10 Getting Around (Elektroauto) 66 Solar Decathlon 2007 Competition Results

67 2009 Plus Energy Home 67 German Federal Government Plus Energy Exhibition Building Touring Germany

68 68 Plus Energy Exhibition Building Details

69 2009 Solar Decathlon TU Darmstadt Prototype Home - Solar Decathlon, Washington 2009 (TU Darmstadt)

70 Solar Decathlon 2009 ground floor Prototype Home - Solar Decathlon 2009 Ground Floor

71 Solar Decathlon 2009 longitudinal section Prototype Home - Solar Decathlon 2009 Section

72 Solar Decathlon energy concept Prototype Home - Solar Decathlon 2009 Heating and Ventilation

73 Prototype Home - Solar Decathlon 2009 Design and Build

74 74

75 Prototype Home - Solar Decathlon 2009 Assembly on the Mall

76 Prototype Home - Solar Decathlon 2009 Energy proding facades

77 77

78 Prototype Home - Solar Decathlon 2009 Interior

79 Prototype Home - Solar Decathlon 2009

80 80

81 81

82 Prototype Home - Solar Decathlon 2009 Monitoring on Campus

83 2009 Inverter Factory Kassel 83 CO 2 -neutral factory Kassel 2009 (HHS)

84 84 CO 2 -neutral factory Kassel 2009 (HHS) starting operation

85 85 CO 2 -neutral factory Kassel 2009 (HHS) CO 2 -neutral production

86 2010 Solar Academy Kassel 86 Solarakademie Niestetal (HHS) Energy Self-sufficient Building

87 87 Solarakademie Niestetal (HHS) Energy-prodicing Roof and Facade

88 88 Solarakademie Niestetal (HHS) Sustainable Building Construction

89 89 Solarakademie Niestetal (HHS) New Architectural Imagery

90 Sustainable Cities 90

91 91 Widen Systems Thinking from Building to Urban Level

92 1. Strengthen urban independence Safeguard urban future Improve environmental qualities Reduce vulnerability Improve urban self-esteem Transport Gebäude Industrie Masdar City, Abu Dhabi, Planungen für eine Null-Energie-Stadt Quelle: 92 Strategies 1. Strengthen urban independence

93 2. Use current wealth of Societies Take regard of Paradigm Change Tackle Costs early Economic virtues of Climate Protection Introduce Incentives Reduce Money Transfer for Energy Leave Das Geld in der Stadt lassen Transport Gebäude Industrie Quelle: Brand eins 93 Strategies 2. Make use of current wealth

94 3. Use existing technologies Energy efficienca technologies are around Backlash of use Impulse for economic development Impulse for Research Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten 94 Strategies 3. Use existing technologies Nutzung

95 Transport 4. Adapt Structures Administration Politics Decisison Making Processes Organisational Set-ups Professions Education Industrie Anzeige Königswinter Netzwork Quelle: Brand eins 95 Strategies 4. Adapt Organisational Structures

96 5. Overcome Hindrances Fight Apathy Detect Green Washing Mobilise Opinion Leaders Transport Gebäude Industrie Instandhaltung von Stromkabeln Quelle: 96 Strategies 65 Overcome hindrances

97 6. Support the vulnerable Poor Elderly Ill Children Transport Gebäude Industrie 97 Strategies 5. Support the vulnerable

98 7. Improve Communication Disseminate Information Create Visibility Publicise Communicate Examples 98 Strategies 7. Improve communication

99 8. Analyse potentials Building and Infrastructure Mapping Analyse Efficiency Potentials Analyse Potentials of renewable Energy Sources Search for Storage Transport Potentials Gebäude Industrie Lower Manhatten, Quelle: 99 Strategies 8. Analyse Potentials - Energy Mapping

100 100 Solar Potentials Digital Environmental Analysis Tools

101 Traditional Field Quelle: George Kavanagh Energy landscape Miscanthus field - Neue Gärten bei Schloss Dyck Quelle: Stiftung Schloss Dyck 101 Land Potentials Energy Landscaping

102 2013 Energiebunker Hamburg 102 Built Potentials Re-Use, Multi-Use (IBA Hamburg, HHS Architekten)

103 103 Built Potentials Re-Use, Multi-Use (IBA Hamburg, HHS Architekten)

104 Our challenges 104

105 129 ha/d 105 Challenges Land use

106 40 % 106 Challenges Climate protection, CO 2 -emissions

107 107 Challenges Resource use 50 %

108 60 % 108 Challenges Waste, missing materials cycles

109 Ressourcenschonendes Bauen Energieeffizient Bauen moreover, the EU member states shall safeguard until 31. December 2018, all new buildings to produce as much energy as they consume [ ] 109 Challenges Political goals - EU 2019

110 110 Challenges Professional manifestum 2009

111 With sustainable architecture and engineering we can deliver a decisive contribution to necessary change in utilizing our limited natural resources We need to... come to an ecological chance by changing our ways to plan and design our cities and buildings, We want... the future-safe city, We aim at... ressource saving architecture und engineering, We call for... A sharpened focus on sustainable development, We will... Produce credible dedication to these aims by our personal commitment,. 111 Challenges Setting new professional goals accepting change of paradigm

112 112

113 Thank you for your attention

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