Lightfair: Economics of Daylighting and Occupant Productivity€¦ · Data from Building Owners and...

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ING BankAmsterdam, Netherlands

ING Bank Amsterdam,

Netherlands

ING Bank Amsterdam,

Netherlands

Comparative Costsin Large Office BuildingsData from Building Owners and Managers Association: Electric Powerresearch Institute, Statistical Abstract of the United States, 1991Data from Building Owners and Managers Association: Electric Powerresearch Institute, Statistical Abstract of the United States, 1991

GotzManufacturingWurzburg, Germany

WalmartWalmart

Retail sales are 40% higher indaylit stores

Daylighting StudyDaylighting StudyPacific Gas & Electric

Heschong Mahone Group

Pacific Gas & ElectricHeschong Mahone Group

http://www.h-m-g.com/toppage11.htm#Skylighting and Retail Saleshttp://www.h-m-g.com/toppage11.htm#Skylighting and Retail Sales

SkylightsSkylights

Stop & ShopStop & Shop

Stop & ShopStop & Shop• 60-90% Daylight Contribution• 30% energy savings• Higher per cart sales• Improved customer satisfaction• Preferred by employees

• 60-90% Daylight Contribution• 30% energy savings• Higher per cart sales• Improved customer satisfaction• Preferred by employees

SainsburyGroceryStoreGreenwich, UK

VerifoneIrvine, CA

• Day-lighting• Double-filtered air

supply• 3X standard AC/hr• Non-toxic materials

• Day-lighting• Double-filtered air

supply• 3X standard AC/hr• Non-toxic materials

VerifoneIrvine, CA

59% lower energy use thanTitle 24Utility costs went from$1.54/SF to $.43/SF7.5-year payback, eclipsedby . . .

47% drop inabsenteeism

Pittsburgh Convention CenterPittsburgh Convention CenterRaphael Raphael VinolyVinoly

William D. Browning

Monsanto A-3 BuildingSt Louis, Missouri

William D. Browning

Monsanto A-3 BuildingSt Louis, Missouri

Financing Productivity Improvements• assume a 1% gain in productivity = $1.30 per square foot per year• assume a 1% gain in productivity = $1.30 per square foot per year

Financing Productivity Improvements• assume a 1% gain in productivity = $1.30 per square foot per year

• Net Present Value of a ten year measure at 14% interest = $6.78

• assume a 1% gain in productivity = $1.30 per square foot per year• Net Present Value of a ten year measure at 14% interest = $6.78

Financing Productivity Improvements• assume a 1% gain in productivity = $1.30 per square foot per year

• Net Present Value of a ten year measure at 14% interest = $6.78• so you should be willing to pay $6 per square foot in additional costs

to capture just a 1% gain in productivity

• assume a 1% gain in productivity = $1.30 per square foot per year• Net Present Value of a ten year measure at 14% interest = $6.78• so you should be willing to pay $6 per square foot in additional costs

to capture just a 1% gain in productivity

Herman Miller,GreenhouseHolland, Michigan

Biophilia The connection of People to Nature

Definition – BiophiliaDefinition – Biophilia

“The biophilia hypothesis boldly asserts theexistence of a biologically based, inherenthuman need to affiliate with life and lifelikeprocesses.”

– Stephen R. Kellert, The BiophiliaHypothesis

BiophiliaBiophilia

View Through a Window May InfluenceRecovery from Surgery

Ulrich 1984n = 46

shorter hospital stays

fewer negative comments

fewer strong analgesics

shorter hospital stays

fewer negative comments

fewer strong analgesics

Nature and Health: The Relation Between HealthAnd Green Space in People's Living Environment

Vries et al. 2001

n = 11,296 (!)

"The results showed that theamount of green space in theliving environment wasindeed positively related tothe experienced healthcondition."

How did we design zoos inthe past?How did we design zoos inthe past?

How do we designour buildingstoday?

A Biophilic Building?A Biophilic Building?A biophilic buildingmaximizes the occupant’sconnection to the naturalenvironment in order tocreate a more habitable,productive and healthyindoor environment.

CommerzbankFrankfurt, Germany

Sky Gardens enable workersto never be more than twofloors away from green space

Swiss ReLondon, UK

Results

Contactsdatabase

19 scientists from6 countries

Literature database246 references51 in RMI library

The Literature database

Qualities of Biophilic BuildingsQualities of Biophilic Buildings

1. Peril

2. Enticement

3. Access to Water

4. Natural Ventilation

5. Prospect and Refuge

6. Complexity and Order

7. Local, Natural Materials

8. Dynamic and Diffuse Daylight

9. Educational about Biophilic Aspects

10. Visual Connection between Interior and Nature

11. Physical Connection between Interior and Nature

12. Material Connection between Interior and Exterior

13. Frequent, Repeated Spontaneous Contact with Nature

1. Peril

2. Enticement

3. Access to Water

4. Natural Ventilation

5. Prospect and Refuge

6. Complexity and Order

7. Local, Natural Materials

8. Dynamic and Diffuse Daylight

9. Educational about Biophilic Aspects

10. Visual Connection between Interior and Nature

11. Physical Connection between Interior and Nature

12. Material Connection between Interior and Exterior

13. Frequent, Repeated Spontaneous Contact with Nature

Frank Lloyd Wrightonce said “he couldDESIGN a house for anewlywed couplethat could causethem to divorce in afew, short weeks.”

TheImportance ofDesign

Rocky Mountain Institute1739 Snowmass Creek RoadSnowmass, CO 81654-9199

phone 970-927.3851

www.rmi.org

www.naturalcapitalism.org

Lightfair: Economics of Daylighting and Occupant Productivity€¦ · Data from Building Owners and...

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