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……on any budgeton any budget

Green Building

International Builders’ Show 2007Orlando, Florida

PanelistsPanelists•• Malcolm LewisMalcolm Lewis

Constructive Technologies GroupIrvine, California

•• Jeff MedanichJeff MedanichMcStain NeighborhoodsLouisville, Colorado

•• Dan Reeve Dan Reeve La Jolla Pacific, Ltd.Irvine, California

ObjectivesObjectives• Learn techniques necessary for a

successful green-building program• Learn key strategies in implementing

a green-building program• Learn green building techniques you

can apply today with minimal budget impact

Case Study: Terramor Village at Case Study: Terramor Village at Ladera RanchLadera Ranch

Ladera Ranch, CaliforniaLadera Ranch, California

Terramor Village at Ladera RanchTerramor Village at Ladera Ranch

Green Development Program developed by the Green Development Program developed by the master developer, Rancho Mission Viejo, and master developer, Rancho Mission Viejo, and planning/urban design firm, EDAWplanning/urban design firm, EDAWTwelve merchant builders selectedTwelve merchant builders selected1260 units1260 units155 acres155 acresPrice points: condosPrice points: condos-- $250,000$250,000--$900,000 $900,000 SFDSFD-- $650,000$650,000--$2,000,000$2,000,000

Green Development ProgramGreen Development Program

Site/Landscape DesignSite/Landscape DesignPlant palette to be drought tolerant, nativePlant palette to be drought tolerant, nativeLocally acquired landscape plant materialLocally acquired landscape plant materialShade elementsShade elementsColored or textured paving materialsColored or textured paving materials

Water Conservation Water Conservation Upgraded irrigation controllersUpgraded irrigation controllersRain shutRain shut--off devices off devices Mulch useMulch useLimited turfLimited turfDrip irrigationDrip irrigation

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Green Development ProgramGreen Development Program

EnergyEnergySolar panels Solar panels –– roof mountedroof mountedEnergy Star designated appliancesEnergy Star designated appliancesFluorescent lightingFluorescent lightingLow E windowsLow E windowsElectric vehicle outletElectric vehicle outlet

Materials and ResourcesMaterials and Resources22--bin kitchen recycling centerbin kitchen recycling centerConstruction waste recyclingConstruction waste recyclingUse of rapidly renewable resources, FSC woodUse of rapidly renewable resources, FSC woodRecycled material site amenitiesRecycled material site amenities

Green Development ProgramGreen Development Program

Indoor Environmental QualityIndoor Environmental QualityNatural lightingNatural lightingLow VOC paintLow VOC paintLow VOC carpetLow VOC carpet

Low formaldehyde insulationLow formaldehyde insulation

Direct costs:Direct costs:Adds $3.00Adds $3.00--5.00 per square foot5.00 per square footSolar panels on roofSolar panels on roofOffOff--site/onsite/on--site elementssite elementsTraining for complianceTraining for compliance

Indirect costs:Indirect costs:Waste recyclingWaste recyclingInfrastructureInfrastructureTraining for complianceTraining for compliance

Budget ImpactsBudget Impacts

Low Low Formaldehyde Formaldehyde

InsulationInsulation

EV OutletEV Outlet Low E WindowsLow E Windows

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Construction Construction Waste Waste

Recycling Recycling

Fluorescent Fluorescent LightingLighting

22--bin Recycling bin Recycling CenterCenter

Low VOC PaintLow VOC Paint

Energy Star Energy Star DishwasherDishwasher

Solar PanelsSolar Panels

Solar Electric Solar Electric InverterInverter

Tankless Water HeaterTankless Water Heater

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•• Malcolm LewisMalcolm LewisConstructive Technologies GroupIrvine, California

SummarySummary

Trend: Homebuilding Growing Trend: Homebuilding Growing ““GreenerGreener””CostCost--Benefits of Green HomeBenefits of Green Home--BuildingBuildingOverview and Comparison of Overview and Comparison of Residential Green Building ProgramsResidential Green Building Programs

Introduction to CTG EnergeticsIntroduction to CTG EnergeticsInIn--House Specialists:House Specialists:

Mechanical Mechanical Engineering Engineering Electrical Engineering Electrical Engineering Architecture Architecture Ecology Ecology Environmental Environmental Engineering Engineering Construction Construction Civil Engineering Civil Engineering Energy Modeling Energy Modeling

Urban PlanningUrban Planning

Services:Services:

LEED / Green Building LEED / Green Building ConsultingConsultingLEED DocumentationLEED DocumentationEnergy ModelingEnergy ModelingCorporate SustainabilityCorporate SustainabilityCommissioningCommissioningEnergy Audits Energy Audits Sustainable Communities Sustainable Communities ConsultingConsultingGreen Construction Green Construction TrainingTraining

20002001200220032004200520062007

Homebuilding Going Homebuilding Going Green in CaliforniaGreen in California……

Castle & Cooke, Gold Nugget Award 2005, Bakersfield – CA Green Builder Program

Arabella, Pardee Homes, San Diego EPA Energy Star Program

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Clarum Homes, Hamilton Park, Menlo Park, CA

Zero Energy Homes

Vista Montana, Clarum Homes, Watsonville, CA

BuilderBuilder’’s Involvement Over Times Involvement Over Time

0102030405060708090

100

2005 2006 2007

Heavy Involvement (morethan 60%)Moderate Involvement (15-60%)Low Involvement (less than15%)

Source: Residential Green Building SmartMarket Report. McGraw-Hill Construction, 2006

Trends Driving Green BuildingTrends Driving Green Building

70 72 74 76 78 80 82 84 86 88

Energy Cost Increases

Consumer Demand

Superior Performance

Codes and Regulations

Competitive Advantage

Emphasis on Efficiency

Innovation

Environmental Conditions

Increased Education

Source: Residential Green Building SmartMarket Report. McGraw-Hill Construction, 2006

Decisions at Different Scales Must Decisions at Different Scales Must be Made by Different Playersbe Made by Different Players

Master DevelopersMaster DevelopersDesign and construct the community infrastructureDesign and construct the community infrastructureDevelop design guidelines for BuildersDevelop design guidelines for BuildersVery influential on Very influential on community sustainabilitycommunity sustainability

Builders Builders Design and construct the housing productsDesign and construct the housing productsTremendous impact on actual Tremendous impact on actual building building sustainabilitysustainability, water efficiency, landscaping, etc., water efficiency, landscaping, etc.

Homebuyers & TenantsHomebuyers & TenantsNeed to understand the value, savings & rationaleNeed to understand the value, savings & rationaleDecisions on Decisions on sustainable features of Individual sustainable features of Individual HomesHomes

Market Challenges & OpportunitiesMarket Challenges & OpportunitiesGrowing awareness of sustainability in residential Growing awareness of sustainability in residential marketsmarkets

But getting people to pay for it is challengingBut getting people to pay for it is challengingCompeting with Granite counterCompeting with Granite counter--tops & other very tops & other very tangible aspectstangible aspects……Slowing housing marketSlowing housing market

Challenge & Opportunity:Challenge & Opportunity:Translate Sustainability from nebulous undefined Translate Sustainability from nebulous undefined ““goodgood”” to real dollars through quantification of to real dollars through quantification of benefits, utility savings, and environmental benefits, utility savings, and environmental impactsimpactsOptimize Environmental Optimize Environmental ““Bang for the BuckBang for the Buck””

Costs vs BenefitsCosts vs Benefits

Homebuyer Homebuyer ““GreenGreen””PreferencePreference

0%

20%

40%

60%

80%

100%

$0 $20 $40 $60 $80 $100 $120 $140 $160 $180 $200

Green Premium, $/month

% H

ome

Buy

er's

Will

ing

to P

ay

.

SFD SFA Avg

Source: American LIVES Inc., Terramor Homebuyer Survey Highlights, 2005

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Homebuyer Homebuyer ““GreenGreen”” PreferencePreference

83% of homebuyers would spend more in 83% of homebuyers would spend more in up front costs for energy efficiency if it up front costs for energy efficiency if it translated into lower utility billstranslated into lower utility bills

43% of homebuyers believe that indoor 43% of homebuyers believe that indoor air quality is air quality is ““very importantvery important””

46% of homebuyers believe that 46% of homebuyers believe that photovoltaics are photovoltaics are ““very importantvery important””* *

Source: American LIVES Inc., Terramor Homebuyer Survey Highlights, 2005

PortlandPortland’’s s ““GreenGreen”” MLSMLSPortland, OR is the first Portland, OR is the first ---- and likely the largest and likely the largest ----metropolitan area where a real estate listing service metropolitan area where a real estate listing service will make will make green building informationgreen building information available as available as part of standard search capabilities. part of standard search capabilities.

Able to search for houses meeting green building Able to search for houses meeting green building standards as easily as they search for houses for sale standards as easily as they search for houses for sale by high school or ZIP code. by high school or ZIP code.

The new policy will mostly affect new homes, which The new policy will mostly affect new homes, which will be searchable by the names of wellwill be searchable by the names of well--known thirdknown third--party inspection programs. party inspection programs.

Other environmentallyOther environmentally--friendly amenities added to friendly amenities added to existing homes, such as onexisting homes, such as on--site solar power or highsite solar power or high--efficiency furnaces, will be searchable individually.efficiency furnaces, will be searchable individually.

Climate ChangeClimate Change…… WhatWhat’’s on the s on the Horizon for HomebuildersHorizon for Homebuilders

CA State Attorney General Letter to Orange County TransportationAuthority – Must Address Climate Change In EIR

Insurance Industry Going GreenInsurance Industry Going Green""From Risk to Opportunity: How Insurers Can Proactively and From Risk to Opportunity: How Insurers Can Proactively and Profitably Manage Climate ChangeProfitably Manage Climate Change””

Firemen's FundFiremen's Fund Insurance is launching a firstInsurance is launching a first--ofof--itsits--kind kind 'green'green‘‘ insurance coverage, including rate credits and insurance coverage, including rate credits and other incentivesother incentives, for commercial building owners who re, for commercial building owners who re--build damaged properties using green and LEED certified build damaged properties using green and LEED certified building practices. building practices.

MarshMarsh, the world's largest insurance broker, and , the world's largest insurance broker, and AIGAIG, the , the world's largest insurer, have launchedworld's largest insurer, have launched carbon emissions carbon emissions credit guarantees and other new renewable energycredit guarantees and other new renewable energy--related insurancerelated insurance products that are allowing more products that are allowing more companies to participate in carbon offset projects and growing companies to participate in carbon offset projects and growing carbon emissions trading markets. The carbon trading market carbon emissions trading markets. The carbon trading market in the European Union alone is expected to hit $30 billion by in the European Union alone is expected to hit $30 billion by the end of 2006.the end of 2006.

Incremental Cost AnalysisIncremental Cost Analysis

Pro Forma

Single-Family

Detached (3,000 sq

ft)

Single-Family

Attached (1,500 sq

ft)SFD with PV(3,000 sq ft)

Total Incremental Total Incremental CostsCosts $7,542$7,542 $4,765$4,765 $27,942$27,942

Rebates & Rebates & IncentivesIncentives $2,590 $2,590 440440 $10,590 $10,590

Net CostNet Cost $4,952$4,952 $4,325 $4,325 $17,352 $17,352

Estimated Cost per Estimated Cost per Square Foot Square Foot $1.50 $1.50 $1.31 $1.31 $5.24 $5.24

Monthly CashflowMonthly Cashflow $89 $89 --$1 $1 $83 $83

ROIROI 29%29% 6%6% 13%13%

Simple PaybackSimple Payback 33 1313 77

Voluntary Green Building ProgramsVoluntary Green Building Programs

California BIA California BIA -- CA Green Builder CA Green Builder

NAHBNAHB’’s s -- Green Building GuidelinesGreen Building Guidelines

EPA EPA -- Energy Star Certified New Homes Energy Star Certified New Homes

USGBC USGBC -- LEEDLEED--H Certification ProgramH Certification Program

DOEDOE’’s Zero Energy Homess Zero Energy HomesIncr

easi

ngly

Com

preh

ensi

ve

7

Overview:Overview: CA Green BuilderCA Green BuilderPertinent Ventilation Requirements

HVAC ducts diagnostically testedHVAC ducts diagnostically tested

Low or no VOC for paints, lacquers, Low or no VOC for paints, lacquers, floor underlayment and carpetfloor underlayment and carpet

Pertinent Energy Efficiency Requirements

HERS inspection and diagnostic HERS inspection and diagnostic evaluations shall be made. evaluations shall be made.

The California Energy CommissionThe California Energy Commission’’s s ““Lowered Duct LeakageLowered Duct Leakage”” criteria shall criteria shall be met.be met.

HERS computer analysis shall HERS computer analysis shall demonstrate that the home is at least demonstrate that the home is at least 15% more energy efficient that Title 24 15% more energy efficient that Title 24 requires, or is equivalent to an ENERGY requires, or is equivalent to an ENERGY STARSTAR®® Home.Home.

Waste Diversion Management

Completed waste management plan Completed waste management plan outlining 50% landfill diversion outlining 50% landfill diversion

Water Conservation

Completed water conservation plan Completed water conservation plan documenting 20,000 gallon reduction in documenting 20,000 gallon reduction in water use (CGBwater use (CGB--WS)WS)

Required:Required: Weather Based Irrigation Weather Based Irrigation ControllerController

Options:Options: Drip Irrigation; Native Plants; Drip Irrigation; Native Plants; Reduced Turf (< 75%);Reduced Turf (< 75%);

Options:Options: Clothes Washer (water factor Clothes Washer (water factor ≤≤ 6.0 or better);6.0 or better); Toilets (1.28 Toilets (1.28 gal/flush, maximum)gal/flush, maximum); Recirculation ; Recirculation DHW distribution with timer/temp DHW distribution with timer/temp demand OR Parallel DHW Piping demand OR Parallel DHW Piping

Overview:Overview: CA Green BuilderCA Green Builder

Requirements for both IEQ and Energy Requirements for both IEQ and Energy EfficiencyEfficiency

Energy is the most stringent (i.e. HERS test)Energy is the most stringent (i.e. HERS test)IEQ is best management practicesIEQ is best management practices

Construction Waste Diversion is already Construction Waste Diversion is already required by AB 939 in CArequired by AB 939 in CAWater reduction of 20,000 gal. annually is Water reduction of 20,000 gal. annually is easily accomplished with installation of ET easily accomplished with installation of ET Controller and standard 1.28 gal. toiletsController and standard 1.28 gal. toiletsProgram Costs: Program Costs:

$150 application fee for each subdivision$150 application fee for each subdivision

Designed to move green building into the Designed to move green building into the mainstream marketplace for production mainstream marketplace for production homebuildershomebuilders

Lot Preparation and Design Lot Preparation and Design Resource Efficiency Resource Efficiency Energy Efficiency Energy Efficiency (contains the only requirements of (contains the only requirements of the program)the program)Water Efficiency/Conservation Water Efficiency/Conservation Occupancy Comfort and Indoor Environmental QualityOccupancy Comfort and Indoor Environmental Quality

Highlight Advantage Highlight Advantage -- Provides homeownerProvides homeowner’’s s manual for operationsmanual for operations

Overview:Overview: NAHB Green Building NAHB Green Building GuidelinesGuidelines

Overview:Overview: NAHB Green Building NAHB Green Building GuidelinesGuidelines

Various certification levels (Bronze, Various certification levels (Bronze, Silver and Gold)Silver and Gold)

Opportunities to achieve greater # of points lie in Resource Efficiency and Energy

Overview:Overview: EPA Energy Star ProgramEPA Energy Star Program

Entirely focuses on energy efficiency (Entirely focuses on energy efficiency (must be 15% must be 15% more energy efficient than the code)more energy efficient than the code)Some requirements conflict with IEQ (i.e. tightly Some requirements conflict with IEQ (i.e. tightly insulated home)insulated home)Does not make economical sense in all climate zonesDoes not make economical sense in all climate zonesThermal Bypass Checklist has been a stumbling block for Thermal Bypass Checklist has been a stumbling block for production homebuilders (EPA may revise in future production homebuilders (EPA may revise in future iteration)iteration)Certification fees are generally included with any Certification fees are generally included with any verification fees you may pay. verification fees you may pay.

Approx $1,000 per home.Approx $1,000 per home.

Overview:Overview: USGBC LEEDUSGBC LEED--HomesHomes

Implementation Implementation Targeting the top 25% of homes with best Targeting the top 25% of homes with best practice environmental features practice environmental features Various performance levels ranging from Various performance levels ranging from certified to platinumcertified to platinum

TimingTimingPilot phase until the end of 2006; program Pilot phase until the end of 2006; program kickoff midkickoff mid--2007 2007

CostsCostsRegistration costs Registration costs -- $500 to $2,000 per home$500 to $2,000 per home

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Overview:Overview: DOEDOE’’s Zero Energy Homess Zero Energy HomesA Zero Energy Home program today is designed to reduce A Zero Energy Home program today is designed to reduce the total energy bills by over 60% and produce as much the total energy bills by over 60% and produce as much electricity as it consumes annually.electricity as it consumes annually.

Zero Energy Homes have a number of advantages:Zero Energy Homes have a number of advantages:Improved comfortImproved comfort——an energyan energy--efficient building envelope efficient building envelope reduces temperature fluctuations.reduces temperature fluctuations.ReliabilityReliability——a ZEH can be designed to continue functioning a ZEH can be designed to continue functioning even during blackouts.even during blackouts.SecuritySecurity——a home that produces energy protects its owner a home that produces energy protects its owner from fluctuations in energy prices.from fluctuations in energy prices.

Zero Energy Homes optimize a variety of features:Zero Energy Homes optimize a variety of features:Passive solar heating and coolingPassive solar heating and coolingEnergyEnergy--efficient construction, appliances, and lightingefficient construction, appliances, and lightingSolar thermal and solar electric systems.Solar thermal and solar electric systems.

Overall Program ComparisonOverall Program Comparison

NAHB’s Green Guidelines

Program ComparisonProgram ComparisonAdvantages:Advantages:

Most comprehensive programs (i.e. depth of Most comprehensive programs (i.e. depth of categories) = NAHBcategories) = NAHB’’s Guidelines and LEEDs Guidelines and LEED--HHEase of implementation = CA Green BuilderEase of implementation = CA Green BuilderMost difficult to implement (without prior Most difficult to implement (without prior experience) = Zero Energy Homes and LEEDexperience) = Zero Energy Homes and LEED--HH

Disadvantages:Disadvantages:Points do not necessarily transfer into Points do not necessarily transfer into environmental benefitsenvironmental benefitsNone quantify costs or benefitsNone quantify costs or benefitsNone are truly locationNone are truly location--specific specific

Summary and ConclusionsSummary and ConclusionsLots of action in Green HomebuildingLots of action in Green Homebuilding

Marketplace is very interestedMarketplace is very interestedRegulatory environment pushing for itRegulatory environment pushing for itInsurance industry pushing itInsurance industry pushing itCosts are within market constraintsCosts are within market constraints

Numerous programs to choose fromNumerous programs to choose from

Still much refinement and evolution Still much refinement and evolution needed!needed!

•• Jeff MedanichJeff MedanichMcStain NeighborhoodsLouisville, Colorado

Who is McStain?Who is McStain?

Medium sized builder constructing Medium sized builder constructing approximately 350approximately 350--400 homes per year400 homes per yearA Pioneer Green Builder in ColoradoA Pioneer Green Builder in ColoradoNationally known as a High Performance Nationally known as a High Performance BuilderBuilderCelebrating our 40Celebrating our 40thth anniversary anniversary ““Forty Forty Years and Still LearningYears and Still Learning””

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Who We ArenWho We Aren’’t:t: Affiliations: Affiliations:

Colorado Built Green ProgramColorado Built Green Program(involved in the formation and growth of the (involved in the formation and growth of the program)program)EPA Energy Star Program (100% of homes EPA Energy Star Program (100% of homes tested and receive an Energy Star HERS rating)tested and receive an Energy Star HERS rating)Department of Energy Building America Department of Energy Building America programprogramUnited States Green Building Council LEED for United States Green Building Council LEED for Homes Pilot BuilderHomes Pilot BuilderEnergy Star Indoor Air Package pilot builderEnergy Star Indoor Air Package pilot builder

ChallengesChallenges

Sensitive to the environmental impact of Sensitive to the environmental impact of development and new constructiondevelopment and new constructionEffective marketingEffective marketingConsumer awareness and education Consumer awareness and education --Why is it important to by a Green built Why is it important to by a Green built homehomeTrade partner (vendors, suppliers, sub Trade partner (vendors, suppliers, sub contractors) awareness and trainingcontractors) awareness and training

How do We Address How do We Address These Challenges?These Challenges?

Careful site selectionCareful site selectionWell thought out and defined land plan Well thought out and defined land plan Careful attention to community development Careful attention to community development and density while maintaining open spaceand density while maintaining open spaceInvolvement in urban infill and Involvement in urban infill and redevelopment projectsredevelopment projects

Examples: Examples: Stapleton AirportStapleton AirportLowry Air Force Base Lowry Air Force Base Gates Complex (includes development Gates Complex (includes development of a deconstruction plan)of a deconstruction plan)

Construction of Research homes:Construction of Research homes:1986 Eco1986 Eco--HouseHouse1988 Parade Home1988 Parade Home2004 Discovery House2004 Discovery House2004 Water Conservation Research 2004 Water Conservation Research HomeHome

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Finding the Leading Edge and Finding the Leading Edge and holding itholding it

requires the integration of new requires the integration of new materials, techniques, and materials, techniques, and

trainingtraining

Sub Slab Void MaterialSub Slab Void Material

Advanced Framing TechniquesAdvanced Framing Techniques Closed Cell Foam InsulationClosed Cell Foam Insulation

Mechanical Systems Design belongs Mechanical Systems Design belongs on Blueprintson Blueprints Tankless Water HeatersTankless Water Heaters

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Whole House Ventilation:Whole House Ventilation:From ThisFrom This…… ……To ThisTo This

Research Homes and ProjectsResearch Homes and Projects

Anybody can do it once, How do you do it Anybody can do it once, How do you do it over and over, over and over, sustainabilitysustainability

““Transition of innovative systems Transition of innovative systems from niche markets into broad from niche markets into broad markets requires bomb proof markets requires bomb proof

integrationintegration””

The Eco HouseThe Eco House The Parade HomeThe Parade Home

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Energy Star IAP HomesEnergy Star IAP Homes The Discovery HouseThe Discovery House

Training is EssentialTraining is Essential

Detailed drawings and specs provide Detailed drawings and specs provide excellent training tools and can clarify excellent training tools and can clarify complicated detailscomplicated details

Employ Best PracticesEmploy Best PracticesMcStain Detail LibraryMcStain Detail Library

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Framing DetailsFraming Details Wall AssemblyWall Assembly

How do you know that you and How do you know that you and your team are getting it?your team are getting it?

Test and Analyze findings!Test and Analyze findings!

TestingTestingPerformance testing for air tightness -the blower door

Test Windows for LeaksTest Windows for Leaks

The EconomicsThe Economics

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Energy EfficiencyRow Home 1733 sq. ft.

Features ~Annual Savings ~Cost PremiumAdvanced framing 2”x6” $36 $545Windows w/ low emissivity argon-fill $55 $21092.1% direct vent furnace $88 $900 Water heater – sealed combustion $22 $400(converting to tankless water heaters-additional 45% savings)Advanced insulation system $89 $975Infiltration/advanced air sealing - (2.5 sq.in. /100 sq.ft.) $81 $410Sealed conditioned Crawl space $19 $110Engineered duct distribution system $60 $920

•All ducted system, inside conditioned space•Set back digital thermostat

Fireplace w/ Electronic ignition $72 $0Downsize furnace/AC $43 -$750Mechanical ventilation -$10 $3003rd Party verification and energy commissioning $0 $580Total $555 $4600*compared to IECC 2003, HERS=90.5

McStain Neighborhoods

Indoor Air Quality, Natural Resource Conservation, DurabilityRow Homes 1733 sq. ft.

Features ~Cost PremiumExterior drainage plane $166Finger joint studs $0 Engineered lumber products $136Cementitious siding material $0Recycled content decking $10Low VOC paint and finishes $332Recycled PET carpet $175Ductwork cleaning $300Sealed combustion appliances incl. fireplace $200Blown cellulose insulation $0High performance bath fans $225Sealed sump pit cover $60

Total: $1604

McStain Neighborhoods

Difference of $+9.51Difference of $+9.51

$236,204 Energy Efficient $236,204 Energy Efficient HomeHomeLength of Loan in Years 30Length of Loan in Years 30Interest Rate 6%Interest Rate 6%Loan Amount 236,204Loan Amount 236,204Annual Property Tax 1200Annual Property Tax 1200Annual Insurance 400Annual Insurance 400Monthly Principal + Interest Monthly Principal + Interest

1416.161416.16Monthly Tax 100Monthly Tax 100Monthly Insurance 33.33Monthly Insurance 33.33

Total Payment 1,549.49Total Payment 1,549.49Monthly Utility Costs 78Monthly Utility Costs 78Monthly total with utilities Monthly total with utilities $1,627.49$1,627.49

$230,000 home built to $230,000 home built to code (IECC 2003)code (IECC 2003)Length of Loan in Years 30Length of Loan in Years 30Interest Rate 6%Interest Rate 6%Loan Amount 230,000Loan Amount 230,000Annual Property Tax 1200Annual Property Tax 1200Annual Insurance 400Annual Insurance 400Monthly Principal + Interest Monthly Principal + Interest

1378.961378.96Monthly Tax 100Monthly Tax 100Monthly Insurance 33.33Monthly Insurance 33.33Total Payment 1512.29Total Payment 1512.29

Monthly utility costs125.00Monthly utility costs125.00Monthly total with utilities Monthly total with utilities $1637$1637

Getting Your Feet WetGetting Your Feet Wet

Start at the Beginning.Start at the Beginning.Integrated Design Involves All of the PlayersIntegrated Design Involves All of the Players CASE STUDY:CASE STUDY:

THE DISCOVERY HOUSETHE DISCOVERY HOUSE

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DISCOVERY HOUSE OBJECTIVESDISCOVERY HOUSE OBJECTIVESImproved moisture managementImproved moisture managementReRe--evaluate framing techniquesevaluate framing techniquesReduce air infiltrationReduce air infiltrationIncrease thermal propertiesIncrease thermal propertiesImprove long term durabilityImprove long term durabilityImprove indoor air qualityImprove indoor air qualityReduce utility billsReduce utility billsChallenge contractors and McStainChallenge contractors and McStainImprove the building process and share the Improve the building process and share the informationinformation

An Increased Level of Energy Efficiency, Durability, and An Increased Level of Energy Efficiency, Durability, and sustainability is Typically met Through a Variety of Triedsustainability is Typically met Through a Variety of Tried--

andand--True Technologies and Construction Practices True Technologies and Construction Practices Including:Including:

Advanced Framing TechniquesAdvanced Framing Techniques Advanced Sealing PracticesAdvanced Sealing Practices

Improved Insulation SystemsImproved Insulation Systems Careful Sealing of all HVAC Careful Sealing of all HVAC ComponentsComponents

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Mechanical Ventilation:Mechanical Ventilation:BUILD IT TIGHT, VENTILATE RIGHTBUILD IT TIGHT, VENTILATE RIGHT Thermal Envelope / Drainage PlaneThermal Envelope / Drainage Plane

No Thermal BreakNo Thermal Break Research of Alternative Renewable Research of Alternative Renewable Energy OptionsEnergy Options

Which includes solar hot water heating used for:Which includes solar hot water heating used for:

All domestic hot water needsAll domestic hot water needsRadiant heat basement slabRadiant heat basement slabForced air combination systemForced air combination system

Solar CollectorsSolar CollectorsSystem ConfigurationSystem Configuration

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Water ConservationWater Conservation

Soil AmendmentsSoil AmendmentsXeriscape landscape designXeriscape landscape designLandscape Water Budget (6.5 gal/ft2 vs. Landscape Water Budget (6.5 gal/ft2 vs. typical 23.2 gal/ft2)typical 23.2 gal/ft2)Evapotranspiration Irrigation ControllerEvapotranspiration Irrigation Controller

EVAPOTRANSPIRATIONEVAPOTRANSPIRATIONCONTROLLERCONTROLLER Indoor Water ConservationIndoor Water Conservation

Water conserving fixturesWater conserving fixturesIncluding:Including:

Motion sensing faucetMotion sensing faucetDual flush toiletDual flush toiletStructured plumbing with energy efficient Structured plumbing with energy efficient circulation pumpcirculation pump

CONSTRUCTION WASTE Management GoalCONSTRUCTION WASTE Management Goal

>50% Waste Diversion>50% Waste Diversion

Why? Why? 3.0 3.0 –– 5.2 lbs/ft2 of total 5.2 lbs/ft2 of total wastewaste on the construction siteon the construction site

AboutAbout 1.7 lbs/s.f.1.7 lbs/s.f. is solely wood is solely wood wastewaste

Managing waste better diverts it Managing waste better diverts it from landfillsfrom landfills

Promotes healthier communitiesPromotes healthier communities

ItIt’’s part of our mission and its part of our mission and it’’s the s the right thing to do!right thing to do!

DISCOVERY HOUSE SUMMARYDISCOVERY HOUSE SUMMARY

22ndnd American Lung American Lung ““Health HouseHealth House””certification in Coloradocertification in ColoradoRecord Built Green Colorado score of 458 Record Built Green Colorado score of 458 Points, built to Tier 3 specsPoints, built to Tier 3 specsEnergy Star Rating of 94Energy Star Rating of 94At least 70% less energy At least 70% less energy consumption than typical Colorado homeconsumption than typical Colorado home

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Continued..Continued..Building America Program, 2004 test Building America Program, 2004 test househouseInternal/external Internal/external ““learning learning laboratorylaboratory””Long term testing with NREL and Long term testing with NREL and Building America Programs as Building America Programs as partnerspartnersReplication of many items into Replication of many items into production buildingproduction building

LESSONS LEARNEDLESSONS LEARNEDAs builders we are responsible to build the most As builders we are responsible to build the most sustainable buildings, communities and sustainable buildings, communities and neighborhoods we are capable ofneighborhoods we are capable ofThere is always room for and ways to improve There is always room for and ways to improve what we do and reduce our ecological footprintwhat we do and reduce our ecological footprintImprovement requires persistence, constant Improvement requires persistence, constant awareness of how we operate and a dedication to awareness of how we operate and a dedication to sharing our findingssharing our findingsProvide education and training to our trade Provide education and training to our trade partners partners andand customers customers Seek out and value their feedbackSeek out and value their feedback

““When we build, let us think that we build forever. When we build, let us think that we build forever.

Let it not be for present delight nor for present use alone.Let it not be for present delight nor for present use alone.

Let it be such a work as our descendants will thank us for; Let it be such a work as our descendants will thank us for; and let us think, as we lay stone on stone, and let us think, as we lay stone on stone,

that a time is to come that a time is to come when those stones will be held sacred because our handswhen those stones will be held sacred because our handshave touched them, and people will say, as they look uponhave touched them, and people will say, as they look upon

the labor and wrought substance of them, the labor and wrought substance of them,

See! This our parents did for us!See! This our parents did for us!””

John RuskinJohn Ruskin

Question & AnswerQuestion & Answer