Unit founded in 2001 University Course Teaching and Further Education Activities Research and Consultancy Work

German American Chamber of Commerce Inc. Energy Efficiency in Building San Francisco/California March 4th, 2008 Prof. Manfred Hegger Energy Efficient Building Design Sustainability in Architecture 1 Technische Universität Darmstadt Department of Architecture Energy Efficient Architectural Design Unit Unit founded in 2001 University Course Teaching and Further Education Activities Research and Consultancy Work from 2005: -Concept founded as Spin-off run by former Unit Members from 2008: Bachelor and Master Courses replacing Diploma Course. planned: Post-Graduate Master Course on Sustainable Design 5 Teaching Staff 15 Researchers 20 Student Research Assistants 4 External Lecturers 2 Introduction Energy Demand for Buildings

key competences teaching activities Sustainable Building Design Life-cycle of Buildings Construction Materials Energy-efficient Architecture Methodology of the Architectural Design Process research Life-cycle Costing Integration of Renewable Energy Systems into Architecture Evaluation of Sustainability in Architecture consulting Sustainability Advice and Auditing, CO 2 -Reduction Projects Energy Concepts for new and existing Buildings Consulting to national and intenational Institutions (UIA, UNEP, EU) 3 Hegger Hegger Schleiff HHS Planer+Architekten AG 1980 founded as Partnership (BGB) Doris Hegger, Manfred Hegger, Günter Schleiff 1999 foundation of Eurolabors Integrated Laboratories Planning (AG) 2001 change to closely held Stock Company (AG) stocks in the hands of the members of the office 5 Directors 25 Staff 4

HHS key competences Fields of Work Master Planning, Programming, Feasibility Studies Urban Planning Integral Architectural Design, General Planning Major Subjects Sustainability in Architecture Energy Efficient Architectural Design Innovation, Building Research Major Types of Building Commercial Buildings Research and Educational Buildings Housing 5 Transport Buildings Industry 6 Key Drivers Energy Demand for Buildings Quelle: AG Energiebilanzen / VDEW / RWE / TU München 1998

7 Key Drivers The End of the Oil Age Limited Reserves Oil: 41 years Natural Gas: 62 years Coal: 200 years Unsafe Producing Countries Increasing conflicts 8 Key Drivers Limited Resources and Exploding Prices

80 % Share of Fossile Energy Sources to World-Wide Energy Supply 9 Key Drivers Share of fossile Energy Sources worldwide 10 Key Drivers Energy Mix Forecast of German Federal Government 2000-2100

11 History of Architecture The Megaron House (Socrates) Quelle: Solpower 12 History of Architecture The Ticino House

Das wachsende Haus, Martin Wagner, 1931 13 History of Arcitecture The Growing House (Martin Wagner) 14 Architecture Solar Houses 1992 Stuttgart/Germany IGA Houses Stuttgart/Germany, HHS Planer + Architekten

15 Architecture Solar Houses 1992 Stuttgart/Germany IGA Houses Stuttgart/Germany, HHS Planer + Architekten IGA Houses Stuttgart/Germany, HHS Planer + Architekten 16 Architecture Solar Houses 1992 Stuttgart/Germany

17 Architecture Office Building/Passive House 1995 Kassel/Germany Office Building/Passive House Kassel/Germany, HHS Planer + Architekten 18 Architecture Office Building/Passive House 1995 Kassel/Germany Office Building/Passive House Kassel/Germany, HHS Planer + Architekten

19 Architecture Office Building/Passive House 1995 Kassel/Germany 20 Architecture Office Building/Passive House 1995 Kassel/Germany Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten

Heating Demand in KWh/m²a Heating Demand Economically Optimized Energy Standard Energetically Optimized Energy Standard a Erste Wärmeschutzverordnung b Zweite Wärmeschutzverordnung c Dritte Wärmeschutzverordnung d Low Energy Standard e Passive House Standard Housing stock in total 21 Options Development of Heating Demand in German Homes Time Energy Gains 2000 Energy Losses 22 Options Energy and Homes State of the Past

Time Energy Gains 2000 Energy Losses 23 Options Energy and Homes State of the Art 24 Options Energy and Homes Increased User Comfort

25 Architecture Academy Mont-Cenis Nutzung Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten 26 Architecture Academy Mont-Cenis Nutzung Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten

27 Architecture Academy Mont-Cenis Nutzung Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten 28 Architecture Academy Mont-Cenis Nutzung Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten

29 Architecture Academy Mont-Cenis Nutzung Academy Mont-Cenis Herne, Jourda Architectes/HHS Planer + Architekten 30 Architecture Academy Mont-Cenis Nutzung

31 Architecture Academy Mont-Cenis Nutzung North America Australia Europe Asia South America Africa Climate friendly 32 Key Drivers CO 2 Emissions per Person

- 20 % until 2020 CO 2 20 % Renewable Energies 33 Key Drivers EU Climate Protection Goals until 2020 Social Issues 1900 1920 1940 1960 1980 2000 34 Sustainability The Development of Sustainable Building in Europe

Economic Issues Social Issues 1900 1920 1940 1960 1980 2000 35 Sustainability The Development of Sustainable Building in Europe Environmental Issues Economic Issues Social Issues 1900 1920 1940 1960 1980 2000 36 Sustainability The Development of Sustainable Building in Europe

Economic Issues Social Issues > Society: Integration, Social Mix Social Contacts Solidarity, Justice Participation > Design: Spacial Identity Individual Design Personalisation > Accessability, Use: Serving Basic Nds Mixed Use Public Transport Accessability for all > Health and Comfort: Safety Light Indoor Air Quality Radiation Heat Protection Noise Protection > Building Qualities Location Structural Qualities Technical Qualities Architectural Qualities > Investment Cost: Financing External Cost > Running Cost: Cost in Use Ease of Modernisation > Life Cycle Cost: Sustainability Environmental Issues > Materials: Availability Environmental Impact Hazardous Ingredients Unbuilding Properties > Energy in Use: Heating and Cooling Warm Water Electricity > Site and Landscape: Footprint Landscape > Infrastructure Mobility Waste Processing 37 Sustainability The Issues of Sustainable Building HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997 38 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm

39 HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm 40 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997

41 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997 42 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997

43 HHS Planer + Architekten, Gründerzentrum Hambau, Ökozentrum Hamm 1997 Architecture Low Energy, Low Impact, Re-Use Hambau Hamm 44 Architecture Re-Use of Buildings A new Lease of Life Luczak Architekten; Wohnen im Hochbunker,Köln 2004

45 Architecture Re-Use of Buildings A new Lease of Life Luczak Architekten; Wohnen im Hochbunker, Köln 2004 46 Architecture Re-Use of Buildings A new Lease of Life East Germany Concrete Prefab Remodelling, Berlin 2004

60 years + Primary Structure 20 years+ Building Envelope 15 years Technical Equipment 10 years Internal Works 5 years Furniture 3 years Decoration Exchange Cycles: 1x 3x 4x 6x 12x 20x 47 Materials Life Cycles Text xyz Building Element: Structure Roofing Windows/Doors Services Floorings Coatings years 48 Materials Life Cycles

fabrication of machines energy generation system border machines production of raw materials waste energy emissions energy fabrication waste emissions machines product energy period of use waste emissions energy recycling waste emissions 49 Materials Life Cycle Evaluation Procedure and Elements 50 Materials Eco-labelling

51 Materials Eco-labelling FG ; Forschungsprojekt Vergleichende Nachhaltigkeitskennwerte von Baumaterialen nach Bauteilschichten 52 Materials Eco-labelling Quelle: Baustoffatlas

Solar Decathlon 2007 Contribution of Technische Universität Darmstadt 53 - International University Competition - Year 2015 Prototype Home - Issued by US Department of Energy 54 Solar Decathlon 2007 Competition Rules

01 Architecture 02 Enginring 03 Communications + Documentation 04 Appliances 05 Market Viabilitiy 06 Comfort Zone 07 Hot Water 08 Lighting 09 Energy Balance 10 Getting Around 10 Diziplinen 55 Solar Decathlon 2007 Competition Rules 01_Architecture 200 Punkte Jurywertung des gebauten Ergebnisses 150 Punkte Ästhetik, Id und architektonische Integration der Technologien Beständigkeit Funktionalität Anmut 56 Solar Decathlon 2007 Competition Rules Bewertung eingereichte Zeichnungen: 50 Punkte

02_Enginring 150 Punkte Jurywertung Gebäudehülle und Gebäudetechnik 100 Punkte Funktionalität, Effizienz, Innovation, Robustheit, kurz-/ langfristiger ökonomischer Wert Bewertung Energy Analysis Report 50 Punkte 57 Entwurfsprozess Einfluss von Simulationen auf Entwurf und Ausführung - Gebäudeintegration der Energietechnik Energiffizienz Solar Decathlon 2007 Competition Rules 03_Market Viability 150 Punkte Jurywertung Market Appeal 50 Punkte Wohnwert Baubarkeit- Flexibilität Wirtschaftlichkeitsanalyse 50 Punkte 58 Solar Decathlon 2007 Competition Rules Einhaltung Termine, Regeln und Bauordnung 50 Punkte

04_Communications 100 Punkte Bewertung der Fähigkeit, das Projekt und das Thema einem breiten Publikum zu vermitteln Website 50 Punkte Inhalt, Design, Branding 59 Führungen 50 Punkte Inhalt, Originalität, Angemessenheit, Branding, Organisation, Hand-Outs Solar Decathlon 2007 Competition Rules 05_Comfort Zone - 100 Punkte Raumtemperatur 50 Punkte 22-24 C (72-76 F) Luftfeuchtigkeit 40-55 % rel. Luftfeuchte 60

06_Appliances 100 Punkte Kühlschrank 1,1-4.4 C 15pt Gefrierschrank - -28,9 - -15 C - min 89l 15pt kombinierte Kap: 425l Wäschewaschen min 43,3 C 10 Handtücher 10pt Wäschetrocknen 10 Handtücher (Gewicht) 20pt Geschirrspülen 48,9 C 10pt Kochen 20 pt - Wasserverdampfen Dinner Party 61 TV/Video Operation - 5pt Computer Operation 5pt Solar Decathlon 2007 Competition Rules 07_Hot Water 100 Punkte dieser Contest zeigt, dass alles notwendige Warmwasser über solar gewonnene Energie erzeugt werden kann in den Tests wird die durchschnittliche Wassermenge und Temperatur während des Duschens simuliert 62 Solar Decathlon 2007 Competition Rules Zweimal täglich müssen die Teams 15 Gallonen (56,8l) heißes Wasser (110 F/43,3 C) in weniger als 10 Minuten liefern.

08_Lighting 100 Punkte Jury: Electric Lighting Quality 50 Punkte Angemessenheit, Lichtszenarien, Integration, Steuerung, Außenbeleuchtung Jury: Daylighting Quality 25 Punkte Lichtqualität, Kontrollierbarkeit, Kontrollsystem, Atmosphäre Beleuchtungsstärke am Arbeitsplatz 10 Punkte 63 Solar Decathlon 2007 Competition Rules Evening House Lighting Alle Lichter an 15 Punkte 09_Energy Balance 100 Punkte dieser Contest dient dazu, nachzuweisen, dass die Sonne alle notwendige Energie für den täglichen Bedarf eines 2-Personen-Haushalts und eines Home-Office decken kann 64 der Wettbewerb muss mit der selben Menge oder mehr gespeicherter Energie enden, wie er begonnen wurde 100 Punkte >=0, keine Punkte <=-10kW Solar Decathlon 2007 Competition Rules

10_Getting Around 100 Punkte ein großer Teil der in (amerikanischen) Haushalten verbrauchten Energie fließt in den Transport darum soll dieser Teilwettbewerb zeigen, dass ein Haus auch die dafür benötigte Energie erzeugen kann mit dem durch das Haus erzeugten Strom muss ein Elektroauto geladen und so viele Meilen wie möglich gefahren werden 65 - Prinzip der Schichten -Kern 66 Solar Decathlon 2007 Design Principles - Plattform

67 Solar Decathlon 2007 Design Principles work space 68 living area Solar Decathlon 2007 Design Principles

69 Solar Decathlon 2007 Design Principles 70 bed Solar Decathlon 2007 Design Principles dining space

71 bathroom Solar Decathlon 2007 Design Principles 72 Solar Decathlon 2007 Design Principles

Passive Systems 73 Solar Decathlon 2007 Energy Concept Passive Systems. Compact Building Form 74

Passive Systems. Compact Building Form. Highly insulated 75 Passive Systems. Compact Building Form. Highly insulated passive Solar Gains South 76

Passive Systems. Compact Building Form. Highly Insulated. passive Solar Gains South. Phase Changing Material 77 Passive Systems. Compact Building Form. Highly insulated Passive Solar Gains South. Phase Changing Material. Natural Ventilation 78

Passive Systems. Compact Building Form. Highly insulated Passive Solar Gains South. Phase Change Material. Natural Ventilation. Passive Cooling System 79 Active Systems 80

Active Systems. Photovoltaic Modules 81 Active Systems. Photovoltaic Modules. Solar Thermal Collectors 82

Active Systems. Photovoltaic Modules. Solar Thermal Collectors. Heat Pump/Heat Recovery 83 84 Solar Decathlon 2007 The Public Event

85 Solar Decathlon 2007 The Public Event 86 Solar Decathlon 2007 The Public Event

87 Solar Decathlon 2007 The Building on Location 88 Solar Decathlon 2007 The Building on Location

89 90 Solar Decathlon 2007 The Interior

91 Solar Decathlon 2007 The Interior 09 Energy Balance (Energiebilanz) 92 Solar Decathlon 2007 Competition Results

01 Architecture (Architektur) 02 Enginring (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 10 Getting Around (Energiebilanz) (Elektroauto) 93 Solar Decathlon 2007 Competition Results 94 Solar Decathlon 2007 Competition Results

95 Solar Decathlon 2007 Winners 96 Energy and Sustainability New Information

Thank you! Thank you very much for your attention! www..tu-darmstadt.de www.solardecathlon.de www.hhs-architekten.de Prof. Dipl.-Ing. M. Sc. Econ. Manfred Hegger HHS Planer + Architekten AG Technische Universität Darmstadt, Fachbereich Architektur, fachgebiet Entwerfen und Energiffzientes Bauen 97 5. Schlussfolgerungen Vernetzt planen