The World's Greenest Buildings: Promise vs Performance in Sustainable Design
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Transcript of The World's Greenest Buildings: Promise vs Performance in Sustainable Design
JERRY YUDELSON
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2014 Expo Arquitetura Sustentável
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The World’s Greenest Buildings São Paulo, Brasil
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Take-AwaysLower CO2
Emissions
ReportActual Use
Use “Best
Practices”
New York City
Testable Propositions – Green Building
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Green Building . . .
Reduces Carbon
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Green Buildings = Carbon Solution
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Green Building Boosts Bottom Line
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Business Case Proven
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• Financial & Economic Return• Risk Management• Marketing & Public Relations• Productivity & Health Gains• Sustainability Policies
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Business Benefits
Range Of Proven Benefits
Absenteeism(15%)
Carbon Emissions(35%)
Energy Costs(30%)
Hospital Stays(2.5 Days)
WasteManagement Costs
(50-90%)
Water Usage(30-50%)
Performance on School Tests
(20%)
Retail SalesPer Square Foot
FactoryProductivity
Office Productivity(2.8-20%)
Occupancy Rates(3-4.1%)
Rental Rates(up to 174%)
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Productivity Gains Very Important
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Green Building Growing Rapidly
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Potential Impact Of Rapid Greening
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BUT…Energy Performance Reports Lacking
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Performance Counts!
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Some Green Buildings Under-Perform . . .
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Energy Savings in LEED Buildings
What’s The Issue?
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Only Carbon Emissions Count
Zero-Net-Energy Buildings
NREL Research Support Facility IGolden, Colorado
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Solon Corporate HQ, Berlin, Germany
Zero-Net-Energy Building
How Much Energy Should Buildings Use?
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World’s Greenest Buildings: Research
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CRITERIA FOR STUDY:• New construction• 5000 sq.m., or larger• Non-residential use• Built/occupied since 2004• LEED Platinum, DGNB Gold or similar rating• Willing to publish performance and cost
data– Energy use mandatory– Water use optional
North American Buildings
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Winnipeg, Canada
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111 kWh/m2/yearManitoba Hydro Place
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I Golden, Colorado
111 kWh/m2/yearNREL RSF I
Rockville, Maryland
2000 Tower Oaks182 kWh/m2/year
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Yale University, Connecticut
Kroon Hall91 kWh/m2/year
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Portland, Oregon
Twelve West
Double LEED Platinum
138 kWh/m2/year
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European Buildings
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Berlin, GermanyDGNB Gold
Heinrich Böll Foundation98 kWh/m2/year
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Männedorf, SwitzerlandSwiss Minergie Plus
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74 kWh/m2/yearDaniel Swarovski Corp.
Dübendorf, SwitzerlandSwiss Minergie Plus
Forum Chriesbach103 kWh/m2/year
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Hoofddorp, The NetherlandsLEED-CS Platinum
TNT Express HQ114/kWh/m2/year
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Asia/Pacific Buildings
Zero Energy BuildingGreen Mark Platinum
41 kWh/m2/yearBCA Headquarters–Singapore
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Pune, IndiaGRIHA 5-star
Suzlon One Earth 59 kWh/m2/year
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2 Victoria 62 kWh/m2/year
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I Perth, Australia
The Gauge193 kWh/m2/year
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Melbourne, Australia
190 kWh/m2/year
Council House 2
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Melbourne, Australia
111 kWh/m2/yearWorkplace6
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I Sydney, Australia
116 kWh/m2/year
One Shelley
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I Sydney, Australia
106 kWh/m2/year1 Bligh
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Sydney, Australia
Tainan City, TaiwanEEWH Diamond
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Magic School of Green Technology 40 kWh/m2/year
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Where Do We Go From Here?
Frankfurt, Germany
Source Energy Goal: 100 kWh/m2!
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100 kWh/m2/yearKfW Bank
The Future Will Be Green, But . . .
If It Doesn’t Perform . . .
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Are you willing to say:
. . . It Can’t Be Called Green?
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Take-AwaysLower CO2
Emissions
ReportActual Use
Use “Best
Practices”
Thanks!
JERRY [email protected]
Let’s Stay In Touch!