from passive house to net positive

BrynDavidsonB.Eng.M.ArchLEED-AP

March,2016

FromPassiveHouse……to‘NetPosiEve’Expandingthecontextforhighperformancebuildings

Photos:ChaseDekker,CornerstoneArchitecture

Fromlanewayhouse……topassivehouse

TheMendozaLaneHouse,710sf(Vancouver’s1stLanewayHouse)VancouverBC

TheE.57thSolarLaneHouse

TwoBirdsLaneHouse,940sfVancouverBC

TheE.29thSolarLaneHouse

DumfriesLaneHouse,1050sfVancouverBC

E.5th‘AlmostPassive’Spec.House,VancouverBC

MerriZPassiveHouse,TsawwassenBC

0.42ACH,FinalBlowerDoor

E.37thPassiveHouseDuplex,VancouverBC EurekaSt.PassiveHouseDuplex,SanFranciscoCA

MissingPieces1 GreenCategories2Net-PosiEve,InPracEce3

MissingPieces1 GreenCategories2Net-PosiEve,InPracEce3

Source:2007RMIGreenHomeVisitor’sGuide

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Photos:RockyMountainInsEtute

Photos:RockyMoutainInsEtute,ThomasCrenshaw

Photo:NaturalBuildingTechnology

Photo:NaturalBuildingTechnology

Photo:NaturalBuildingTechnology,Map:Walkscore.com

=

Photo:NaturalBuildingTechnology,Map:Walkscore.com

=

Photo:NaturalBuildingTechnology,Map:Walkscore.com

GHGsfroma‘typical’buildingofthesamesize

GHGsfromthisgreenbuilding

Photo:2007RMIGreenHomeVisitor’sGuide

GHGsfromthisgreenbuilding

Photo:2007RMIGreenHomeVisitor’sGuide

GHGsfromthisgreenbuilding

+GHGsfromtransportaEon

Photo:2007RMIGreenHomeVisitor’sGuide

Whereisitlocated?

Canyouwalk?Bike?

Transit?

Photo:2007RMIGreenHomeVisitor’sGuide

?

Photo:2007RMIGreenHomeVisitor’sGuide

Photo:2007RMIGreenHomeVisitor’sGuide

Photo:2007RMIGreenHomeVisitor’sGuide

Before Aber

ZeroGHGEmissions

TheNewGreenBuilding

TransportaEon

Photo:2007RMIGreenHomeVisitor’sGuide

TheNewGreenBuilding

AnOld,InefficientBuilding

TransportaEon

TransportaEon

Photo:2007RMIGreenHomeVisitor’sGuide

Photo:2007RMIGreenHomeVisitor’sGuide

Whatdoesitreplace?

Anoldbuilding?Farm?Field?

Photo:2007RMIGreenHomeVisitor’sGuide

Photo:2007RMIGreenHomeVisitor’sGuide

Whatdoesitreplace?

Whereisitlocated?

Whatdoesitreplace?

Whereisitlocated?

GreenCategories2

How‘good’isyourbuilding?

BeZerthancode:L.E.E.D.BuiltGreenEnerguideEnergyStar

Aimingfor‘Net-Zero’:PassivhausNet-ZeroSolarLivingBuilding

Passivhaus

Photo:SchwörerHausKG

‘Net-Zero’(or)‘EnergyPosiEve’UsingRenewableEnergyTechnology

Photo:NaturalBuildingTechnology TurbinePhoto:RyanTaylor

$

1970

TodayGHGemissions

connectedtobuildings

1970

Today

2050 CodeMinimum

GHGemissions

connectedtobuildings

1970

Today

‘Green’

2050

GHGemissions

connectedtobuildings

1970

TodayOr“Net-Zero”

2050

GHGemissions

connectedtobuildings

1970

Today

Whereweactuallyneedtogo…

2050

GHGemissions

connectedtobuildings

?

NetPosiEve:Beyondnet-zero,projectsthatmaketheworldmeasurablybeZer…

Building Project

NetZeroBuilding

NetPosiEveProject

NetZeroBuilding

NetPosiEveProject

Tool: Goal:

How‘good’isyourbuilding?

How‘good’isyourbuilding?

Whereisitlocated?

Whatdoesitreplace?

How‘good’isyourbuilding?

$

How‘good’isyourbuilding?

Whereisitlocated?

Whatdoesitreplace?

Net-PosiEve,InPracEce3

Lovins’House,SnowmassCOProjectbytheAspenDesignGroup

$

Photo:RockyMountainInsEtute

Lovins’House,SnowmassCOProjectbytheAspenDesignGroup

$

Photos:RockyMountainInsEtute

Lovins’House,SnowmassCOProjectbytheAspenDesignGroup

$

Photo:RockyMountainInsEtute

Lovins’House,SnowmassCOProjectbytheAspenDesignGroup

$

Photo:RockyMountainInsEtute,Walkscore.com

$

Lovins’House,SnowmassCOProjectbytheAspenDesignGroup

Photo:RockyMountainInsEtute,ThomasCrenshaw

$

KarunaHouse,NewbergORProjectbyHolstArch./HammerandHand

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

Photo:HaiZhang

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

ThermalPhoto:SamMcAfee

Photo:Fabrica718

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

RearElevaEon

Photo:HaiZhang

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

AddiEon

RenovaEon

RearElevaEon

Diagram:Fabrica718Photo:HaiZhang

TransportaEon

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

Before

TheNew,LargerBuilding

TheOldBuilding

TransportaEon

Aber

Photo:HaiZhang

$

ParkPlacePassivhaus,BrooklynProjectbyFabrica718

Photo:Fabrica718

RoseHouse,VancouverBCProjectbyLanefab

PassivhausDuplex:

Mainhouse

+Basementsuite

Infill“LanewayHouse”

RoseHouse,VancouverBCProjectbyLanefab

RoseHouse,VancouverBCProjectbyLanefab

RoseHouse,VancouverBCProjectbyLanefab

Thewalkscoreforthissiteis~50%beZerthantheregionalaverageof54.

RoseHouse,VancouverBCProjectbyLanefab

Thewalkscoreforthissiteis~50%beZerthantheregionalaverageof54.EachnewdwellingatthislocaEonfacilitatesanetreducEonintransportGHGs.

RoseHouse,VancouverBCProjectbyLanefab

Before

Unit1

TheOldBungalow

TransportaEon

TransportaEon

Aber

Unit2

Unit3

$

RoseHouse,VancouverBCProjectbyLanefab

BulliZCenter,SeaZleProjectbyMillerHull

Photo:BradKahn

BulliZCenter,SeaZleProjectbyMillerHull

Photos:JohnStamets

ThiswastheexisEngbuildingonthesiteofthefutureBulliZCenter.ByreplacingthisbuildingtheprojectremovedtheassociatedGHGemissions.

BulliZCenter,SeaZleProjectbyMillerHull

BulliZCenter,SeaZleProjectbyMillerHull

Photos:JohnStamets

$

BulliZCenter,SeaZleProjectbyMillerHull

$

Photo:JoeMabel

$

NorthParkPassiveHouseSpec.6-Plex,VictoriaBCPhoto:InternaEonalPassiveHouseInsEtute

$

$

$

$

How‘good’isyourbuilding?

$

Whereisitlocated?

Whatdoesitreplace?

$

Howmuchblingcanyoucramonit?

Howmuchmoredoyouneedtooffsetthechoiceof

site?

$

$

PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’

$

PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’

Energy-PosiEveBuilding=Net-PosiEveProject

$

PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’

Energy-PosiEveBuilding=Net-PosiEveProject

WalkableGrayfield>RuralGreenfield

$

PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’

Energy-PosiEveBuilding=Net-PosiEveProject

WalkableGrayfield>RuralGreenfield

Buildingdesignersasproject&policychangeagents

www.walkscore.com

Photo:Dew

itaSoe

harjo

no

$

BrynDavidsonbryn@lanefab.com