From Passive House to Net Positive
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Transcript of From Passive House to Net Positive
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BrynDavidsonB.Eng.M.ArchLEED-AP
March,2016
FromPassiveHouse……to‘NetPosiEve’Expandingthecontextforhighperformancebuildings
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Photos:ChaseDekker,CornerstoneArchitecture
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Fromlanewayhouse……topassivehouse
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TheMendozaLaneHouse,710sf(Vancouver’s1stLanewayHouse)VancouverBC
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TheE.57thSolarLaneHouse
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TwoBirdsLaneHouse,940sfVancouverBC
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TheE.29thSolarLaneHouse
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DumfriesLaneHouse,1050sfVancouverBC
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E.5th‘AlmostPassive’Spec.House,VancouverBC
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MerriZPassiveHouse,TsawwassenBC
0.42ACH,FinalBlowerDoor
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E.37thPassiveHouseDuplex,VancouverBC EurekaSt.PassiveHouseDuplex,SanFranciscoCA
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MissingPieces1 GreenCategories2Net-PosiEve,InPracEce3
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MissingPieces1 GreenCategories2Net-PosiEve,InPracEce3
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Source:2007RMIGreenHomeVisitor’sGuide
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?
Photos:RockyMountainInsEtute
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Photos:RockyMoutainInsEtute,ThomasCrenshaw
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Photo:NaturalBuildingTechnology
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Photo:NaturalBuildingTechnology
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Photo:NaturalBuildingTechnology,Map:Walkscore.com
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=
Photo:NaturalBuildingTechnology,Map:Walkscore.com
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Photo:NaturalBuildingTechnology,Map:Walkscore.com
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GHGsfroma‘typical’buildingofthesamesize
GHGsfromthisgreenbuilding
Photo:2007RMIGreenHomeVisitor’sGuide
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GHGsfromthisgreenbuilding
Photo:2007RMIGreenHomeVisitor’sGuide
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GHGsfromthisgreenbuilding
+GHGsfromtransportaEon
Photo:2007RMIGreenHomeVisitor’sGuide
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Whereisitlocated?
Canyouwalk?Bike?
Transit?
Photo:2007RMIGreenHomeVisitor’sGuide
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?
Photo:2007RMIGreenHomeVisitor’sGuide
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Photo:2007RMIGreenHomeVisitor’sGuide
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Photo:2007RMIGreenHomeVisitor’sGuide
Before Aber
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ZeroGHGEmissions
TheNewGreenBuilding
TransportaEon
Photo:2007RMIGreenHomeVisitor’sGuide
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TheNewGreenBuilding
AnOld,InefficientBuilding
TransportaEon
TransportaEon
Photo:2007RMIGreenHomeVisitor’sGuide
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Photo:2007RMIGreenHomeVisitor’sGuide
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Whatdoesitreplace?
Anoldbuilding?Farm?Field?
Photo:2007RMIGreenHomeVisitor’sGuide
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Photo:2007RMIGreenHomeVisitor’sGuide
Whatdoesitreplace?
Whereisitlocated?
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Whatdoesitreplace?
Whereisitlocated?
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GreenCategories2
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How‘good’isyourbuilding?
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BeZerthancode:L.E.E.D.BuiltGreenEnerguideEnergyStar
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Aimingfor‘Net-Zero’:PassivhausNet-ZeroSolarLivingBuilding
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Passivhaus
Photo:SchwörerHausKG
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‘Net-Zero’(or)‘EnergyPosiEve’UsingRenewableEnergyTechnology
Photo:NaturalBuildingTechnology TurbinePhoto:RyanTaylor
$
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1970
TodayGHGemissions
connectedtobuildings
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1970
Today
2050 CodeMinimum
GHGemissions
connectedtobuildings
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1970
Today
‘Green’
2050
GHGemissions
connectedtobuildings
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1970
TodayOr“Net-Zero”
2050
GHGemissions
connectedtobuildings
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1970
Today
Whereweactuallyneedtogo…
2050
GHGemissions
connectedtobuildings
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?
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NetPosiEve:Beyondnet-zero,projectsthatmaketheworldmeasurablybeZer…
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Building Project
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NetZeroBuilding
NetPosiEveProject
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NetZeroBuilding
NetPosiEveProject
Tool: Goal:
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How‘good’isyourbuilding?
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How‘good’isyourbuilding?
Whereisitlocated?
Whatdoesitreplace?
How‘good’isyourbuilding?
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$
How‘good’isyourbuilding?
Whereisitlocated?
Whatdoesitreplace?
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Net-PosiEve,InPracEce3
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Lovins’House,SnowmassCOProjectbytheAspenDesignGroup
$
Photo:RockyMountainInsEtute
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Lovins’House,SnowmassCOProjectbytheAspenDesignGroup
$
Photos:RockyMountainInsEtute
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Lovins’House,SnowmassCOProjectbytheAspenDesignGroup
$
Photo:RockyMountainInsEtute
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Lovins’House,SnowmassCOProjectbytheAspenDesignGroup
$
Photo:RockyMountainInsEtute,Walkscore.com
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$
Lovins’House,SnowmassCOProjectbytheAspenDesignGroup
Photo:RockyMountainInsEtute,ThomasCrenshaw
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$
KarunaHouse,NewbergORProjectbyHolstArch./HammerandHand
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ParkPlacePassivhaus,BrooklynProjectbyFabrica718
Photo:HaiZhang
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ParkPlacePassivhaus,BrooklynProjectbyFabrica718
ThermalPhoto:SamMcAfee
Photo:Fabrica718
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ParkPlacePassivhaus,BrooklynProjectbyFabrica718
RearElevaEon
Photo:HaiZhang
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ParkPlacePassivhaus,BrooklynProjectbyFabrica718
AddiEon
RenovaEon
RearElevaEon
Diagram:Fabrica718Photo:HaiZhang
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TransportaEon
ParkPlacePassivhaus,BrooklynProjectbyFabrica718
Before
TheNew,LargerBuilding
TheOldBuilding
TransportaEon
Aber
Photo:HaiZhang
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$
ParkPlacePassivhaus,BrooklynProjectbyFabrica718
Photo:Fabrica718
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RoseHouse,VancouverBCProjectbyLanefab
PassivhausDuplex:
Mainhouse
+Basementsuite
Infill“LanewayHouse”
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RoseHouse,VancouverBCProjectbyLanefab
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RoseHouse,VancouverBCProjectbyLanefab
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RoseHouse,VancouverBCProjectbyLanefab
Thewalkscoreforthissiteis~50%beZerthantheregionalaverageof54.
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RoseHouse,VancouverBCProjectbyLanefab
Thewalkscoreforthissiteis~50%beZerthantheregionalaverageof54.EachnewdwellingatthislocaEonfacilitatesanetreducEonintransportGHGs.
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RoseHouse,VancouverBCProjectbyLanefab
Before
Unit1
TheOldBungalow
TransportaEon
TransportaEon
Aber
Unit2
Unit3
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$
RoseHouse,VancouverBCProjectbyLanefab
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BulliZCenter,SeaZleProjectbyMillerHull
Photo:BradKahn
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BulliZCenter,SeaZleProjectbyMillerHull
Photos:JohnStamets
ThiswastheexisEngbuildingonthesiteofthefutureBulliZCenter.ByreplacingthisbuildingtheprojectremovedtheassociatedGHGemissions.
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BulliZCenter,SeaZleProjectbyMillerHull
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BulliZCenter,SeaZleProjectbyMillerHull
Photos:JohnStamets
$
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BulliZCenter,SeaZleProjectbyMillerHull
$
Photo:JoeMabel
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NorthParkPassiveHouseSpec.6-Plex,VictoriaBCPhoto:InternaEonalPassiveHouseInsEtute
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How‘good’isyourbuilding?
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$
Whereisitlocated?
Whatdoesitreplace?
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Howmuchblingcanyoucramonit?
Howmuchmoredoyouneedtooffsetthechoiceof
site?
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PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’
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PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’
Energy-PosiEveBuilding=Net-PosiEveProject
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PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’
Energy-PosiEveBuilding=Net-PosiEveProject
WalkableGrayfield>RuralGreenfield
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PassiveHouseisbestwhenusedasa‘tool’vs.a‘goal’
Energy-PosiEveBuilding=Net-PosiEveProject
WalkableGrayfield>RuralGreenfield
Buildingdesignersasproject&policychangeagents
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www.walkscore.com
Photo:Dew
itaSoe
harjo
no