TRANSSOLAR. 6 th Canadian German Conference on Energy Efficiency Retrofits in Buildings. September 22, 2015 Toronto
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1 6 th Canadian German Conference on Energy Efficiency Retrofits in Buildings September 22, 2015 Toronto JOSHUA MONK VANWYCK
2 WHO IS? Stuttgart Founded: 1992 Employees: 50 Main Activities: Development of climate and energy concepts to assist the architect s design Support the design through simulation (Thermal, CFD, daylight) Development and distribution of TRNSYS (a dynamic thermal building simulation software package) Training and teach of architects and engineers in environmental concepts München New York Paris
3 by 2050 we need to reduce our CO2 emissions to ZERO
4 Efficiency driven by Gadgets
5 Efficiency driven by Design
6 VALUES
7 RETROFIT PROJECTS
8 Toronto, Canada (ongoing project) TOWER NEIGHBOURHOOD RENEWAL
9 DEMAND (kwh/m²a)
10 ANNUAL HEATING Pforzheim, Germany BALANCE (2012) (kwh/m²a)
11 CO2 EMISSIONS Pforzheim, (kg/m²a) Germany (2012) -28% -45% -79% -89%
12 Pforzheim, Germany (2012) PASSIVHAUS GÜTESTR.30 Arch: Freivogel Architekten Old Old stone Facade facade Refurbishment 390 kwh/m²a kwh/m²a
13 Pforzheim, Germany (2012) DEVELOP ENERGY CONCEPTS BASED ON CLIMATE NEW BUILDING ENVELOPE HIGHLY: THERMALLY INSULATED ACOUSTICALLY INSULATED VENTILATED
14 Pforzheim, Germany (2012) DEVELOP ENERGY CONCEPTS BASED ON CLIMATE PHOTOVOLTAIC PANELS SMALL WIND TURBINE NEW HVAC SYSTEM WALL ABSORBER AND HEAT RECOVERY FOR HEATING AND DOMESTIC HOT WATER REDUCED EMBODIED ENERGY THERMAL COLD STORAGE NO COMPOSITE STRUCTURES USE OF RECYCLABLE MATERIALS
15 Offenbach, Germany (under construction) MIXED OFFICE+RESIDENTIAL UNITIS Arch: B&G 1970s Landmark Architecture 280 kwh/m²a Refurbishment (under construction) 56 kwh/m²a
16 RENOVATION CHALLENGES NO THERMAL INSULATION THERMAL BRIDGES THICK CONCRETE LAYER HIGH OPERATIONAL COSTS DESIGNATED HERITAGE BUILDING (FACADE PRESERVATION) HIGHLY CONDUCTIVE ALUMINIUM Thermal Conductivity Comparison insulation concrete Aluminum
17 OUR APPROACH INTERNAL THERMAL COMFORT INTERIOR INSULATION: ELIMINATE THERMAL BRIDGE PRESERVE FACADE ADD INSULATION ENSURE MINIMUM HEAT TRANSFER REDUCE HEATING DEMAND Energy Reductions Due to Facade Improvement Heating Energy Demand Old Facade New Facade, doublepane glazing New facade, triplepane glazing
18 HOW TO FUND A RENOVATION PROJECT COST-EFFECTIVENESS ANALYSIS: FUNDING OPTIONS IN GERMANY Maximum Funding 30 units x 75,000 Euro x 22.5% = 506,250 Euro This project will receive 0.5 million euros to achieve a more energy-efficient building after renovations
19 Vancouver, Canada (2014) NE01 BUILDING British Columbia Institute of Technology ENERGY UPGRADE AND RETROFIT STUDY DAYLIGHT SIMULATION DYNAMIC THERMAL SYMULATION ENVELOPE IMPROVEMENT SYSTEM IMPROVEMENT
20 POTENTIAL EFFICIENT SYSTEM FEATURES +29% -34% -40% -59% Reduction from Current -70%
21 ENERGY UPGRADE AND RETROFIT STUDY TOOLS CLIMATE ANALYSIS DAYLIGHT FACTOR STUDY THERMAL SYMULATION INTERVENTIONS DEVELOPMENT CONCEPT VERIFICATION THROUGH DAYLIGHT SIMULATIONS AIMING TO IMPROVE DAYLIGHT AUTONOMY
22 THANK YOU! QUESTIONS?
23 EXPERIENCE IN CANADA
24 Winnipeg, Canada (2009) MANITOBA HYDRO Arch: KPMB Architects, Toronto MOST EFFICIENT HIGHRISE STRUCTURE IN NORTH AMERICA SOLAR PASSIVE DESIGN SOLAR CHIMNEY GEOTHERMAL SYSTEM BUFFER ZONES NATURAL VENTILATION
25 THE EFFICIENT HIGHRISE BUILDING SOLAR CHIMNEY BUFFER ZONES BREATHING SKIN NATURAL VENTILATION ACTIVE CEILING DISPLACEMENT VENTILATION GEOTHERMAL SYSTEM
26 DEVELOP ENERGY CONCEPTS BASED ON CLIMATE SUMMER (Cooling) WINTER (Heating + Cooling) Bryan Christie
27 DEVELOP ENERGY CONCEPTS BASED ON CLIMATE HOLISTIC SOLUTIONS FOR EXTREME CLIMATE CONDITIONS SUMMER WINTER
28 OTHER RETROFIT PROJECTS
29 Rosenheim, Germany (2010) SPARKASSE HIGHRISE Arch: Schleburg Arkitekten+Ingenieúre Rosenheim 1969 Old stone facade 400 kwh/m²a 2010 Refurbishment 100 kwh/m²a
30 AN INNOVATIVE BUFFER AND BREATHING SKIN DOUBLE FACADE AS CLIMATE BUFFER RADIANT HEATING AND COOLING MAXIMIZE INDOOR COMFORT NATURAL VENTILATION
31 DEVELOP ENERGY CONCEPTS BASED ON CLIMATE WINTER SUMMER
32 Stuttgart, Germany (2003) THEATRE HOUSE Arch: Plus+bauplanung GmbH, Neckartenzlingen HERITAGE PRESERVATION SOLAR CHIMNEY NATURAL VENTILATION NEW PROGRAM HIGH ACOUSTIC QUALITY MAXIMIZE DAYLIGHT
33 THE NEW SYSTEM DRIVER: A NEW SOLAR CHIMNEY CREATIVE RESPONSES TO CONTRAINTS
34 DEVELOP ENERGY CONCEPTS BASED ON CLIMATE SUMMER WINTER SYSTEM FLEXIBILITY (possible mechanical ventilation) NATURAL VENTILATION SIMPLE PHYSICS PRINCIPLES AND EFFICIENCY
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