Energy Related Software Tools

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  • 7/27/2019 Energy Related Software Tools

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    Energy Related Software Analytical Tools & Database Directories

    Type Name Vendor Purpose Price SkillLevel

    Easeof Use

    OnlineVersion

    Notes

    RESIDENTIAL

    A AUDIT Elite Software Res./Light Commercialheating and coolingoperating cost analysis

    $495+ M 1 N Good to compare system types.Uses Bin-method. An optionalversion of AUDIT cancalculate appliance and hotwater energy use as well

    A EnergyPro EnergySoft Whole-building hourly

    energy analysis, loadcalcs., Prescriptive &Performance basedTitle 24 energycompliance

    $195+ M-H 1 N Popular program for Res. and

    Nonres. energy analysis andload calculations, and DOE-2energy analysis

    A Home EnergySaver

    LBL Decision-support toolfor calculating energyuse for all end uses inresidential buildings

    Free L 1 Y Calculates annual energy costsas well as carbon dioxidepollution levels. Also provideslinks to numerous other Websites

    A Micropas Enercomp Whole-building hourlyenergy analysis, loadcalcs and Performancebased Title 24 energycompliance

    $795 M 3 N Popular program whichperforms hourly calculations toestimate annual energy usagefor heating, cooling and waterheating in residential buildings

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=374/pagename=alpha_listhttp://www.elitesoft.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=260/pagename=alpha_listhttp://www.energysoft.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://homeenergysaver.lbl.gov/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=48/pagename=alpha_listhttp://www.micropas.com/index.htmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=374/pagename=alpha_listhttp://www.elitesoft.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=260/pagename=alpha_listhttp://www.energysoft.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://homeenergysaver.lbl.gov/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=48/pagename=alpha_listhttp://www.micropas.com/index.htm
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    A WATERGY FEMP Analysis of water andwater/energy savings

    Free M 2 Y(Can run

    Excel inWeb

    browser)

    A spreadsheet model that useswater/energy relationship

    assumptions to analyze thepotential of water savings andassociated energy savings

    A RESFEN LBL Select the mostenergy-efficient andcost-effective windows

    Free M 1 N Calculates the heating andcooling energy use andassociated costs as well as thepeak heating and coolingdemand for specific windowproducts

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eren.doe.gov/femp/techassist/softwaretools/softwaretools.html#watergyhttp://www.eren.doe.gov/femp/techassist/softwaretools/softwaretools.htmlhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=150/pagename=alpha_listhttp://windows.lbl.gov/software/resfen/resfen.htmlhttp://www.eren.doe.gov/femp/techassist/softwaretools/softwaretools.html#watergyhttp://www.eren.doe.gov/femp/techassist/softwaretools/softwaretools.htmlhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=150/pagename=alpha_listhttp://windows.lbl.gov/software/resfen/resfen.html
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    COMMERCIAL

    A BinMaker PRO InterEnergy Temperature bin datafor subsequent energyanalysis

    $150 L 2 N Good for economizer savingcalculations. Includes annualTMY-2 hourly weather data &ASHRAE design weather data

    A BuildingDesign Advisor(BDA)

    LBL Visual-based analyticalcomparison of multipledesign solutions

    Free M+ 2 N For initial, schematic phases of building design through thedetailed specification ofbuilding components andsystems

    A Building LifeCycle CostProgram(BLCC)

    LBL Provides support forthe analysis of capitalinvestments inbuildings

    Free M 2 N To be used in conjunction withDISCOUNT, EMISS andERATE from FEMP

    A CHVAC Elite Software Calculates maximumheating and coolingloads

    $295+ M 2 N Popular HVAC sizing program.CHVAC project data files canalso be used by Elite Software'sEZDOE energy analysisprogram

    A DesiCalc InterEnergy Compares the energyneeds and costs ofusing desiccant-basedequipment againstcompeting electric air-conditioningequipment

    $295 M 3 N Allows estimation of annual or monthly energy loads (usingDOE-2.1E hour-by-hoursimulations) and costs for anyof 13 typical commercialbuilding types

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.interenergysoftware.com/binM/index.htmhttp://www.interenergysoftware.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://gaia.lbl.gov/BDA/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://gaia.lbl.gov/BDA/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=90/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=68/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=92/pagename=alpha_listhttp://www.eere.energy.gov/femp/information/access_tools.cfmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=363/pagename=alpha_listhttp://www.elitesoft.com/http://www.interenergysoftware.com/desicalc/DesAbout.htmhttp://www.interenergysoftware.com/http://www.interenergysoftware.com/binM/index.htmhttp://www.interenergysoftware.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://gaia.lbl.gov/BDA/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=155/pagename=alpha_listhttp://gaia.lbl.gov/BDA/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=90/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=68/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=92/pagename=alpha_listhttp://www.eere.energy.gov/femp/information/access_tools.cfmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=363/pagename=alpha_listhttp://www.elitesoft.com/http://www.interenergysoftware.com/desicalc/DesAbout.htmhttp://www.interenergysoftware.com/
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    A Energy-10 SBIC Calculates wholebuilding performance.

    Quantifies and clearlyillustrates the impactof design decisions onfirst cost, operatingcosts, and pollutionprevention

    $250+ L 2 N Conceptual design tool focusedon making whole-building

    tradeoffs during early designphases for buildings that areless than 10,000 ft2 floor area,or buildings which can betreated as one or two-zoneincrements. Integratesdaylighting, passive solarheating, and low-energycooling strategies with energy-efficient shell design and

    mechanical equipmentA EnergyPlus USDOE Whole-building hourly

    energy analysisFree H 3 N EnergyPlus is a new generation

    DOE-2 building energysimulation program that buildson the best features andcapabilities of BLAST andDOE-2. EnergyPlus is a stand-alone simulation enginewithout a graphical interface(by third-parties)

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=36/pagename=alpha_listhttp://www.sbicouncil.org/store/e10.phphttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=287/pagename=alpha_listhttp://www.eren.doe.gov/buildings/energy_tools/energyplus/pdfs/Crawley_BS01.pdfhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=36/pagename=alpha_listhttp://www.sbicouncil.org/store/e10.phphttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=287/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=287/pagename=alpha_listhttp://www.eren.doe.gov/buildings/energy_tools/energyplus/pdfs/Crawley_BS01.pdf
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    A EnergyPro EnergySoft Whole-building hourlyenergy analysis,

    Prescriptive &Performance basedTitle 24 energycompliance

    $100+ M-H 2 N Popular program for Res. andNonres. energy analysis and

    load calculations, and DOE-2energy analysis

    A eQUEST Energy DesignResources

    Whole-building hourlyenergy analysis

    Free M 1 N Designed to allow detailedDOE-2 analysis of state-of-the-art building designtechnologies using the mostsophisticated building energyuse simulation techniques but

    without requiring extensiveexperience in the "art" ofbuilding performance modeling

    A eVALUator Energy DesignResources

    Calculates lifecyclebenefits of investmentsthat improve buildingdesign

    Free L 2 N Life cycle cost analysis thatproduces a set of "bottom-line"economic parameters as well asa year-by-year cash flowanalysis. Also looks at non-energy benefit factors

    A EZDOE Elite Software Whole-building hourly

    energy analysis

    $1,250 H 3 N Calculates the hourly energy

    use of a building and its lifecycle cost. Has all theadvanced features of the fullmainframe DOE-2.1d version

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=260/pagename=alpha_listhttp://www.energysoft.com/http://doe2.com/equest/index.htmlhttp://www.energydesignresources.com/http://www.energydesignresources.com/http://www.energydesignresources.com/tools/evaluator.htmlhttp://www.energydesignresources.com/http://www.energydesignresources.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=40/pagename=alpha_listhttp://www.elitesoft.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=260/pagename=alpha_listhttp://www.energysoft.com/http://doe2.com/equest/index.htmlhttp://www.energydesignresources.com/http://www.energydesignresources.com/http://www.energydesignresources.com/tools/evaluator.htmlhttp://www.energydesignresources.com/http://www.energydesignresources.com/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=40/pagename=alpha_listhttp://www.elitesoft.com/
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    A HourlyAnalysis

    Program (HAP)

    Carrier Whole-building hourlyenergy analysis, &

    load estimation

    $1,195 H 2 N Technical features arecomparable to DOE 2.1 and

    comparison studies with DOE2.1 have yielded goodcorrelation

    A/D MotorMaster OIT Analyze motors andmotor systemefficiency

    Free M 2 Y Main industry resource for motor efficiencies

    A PowerDOE James J. Hirsch& Associates

    Whole-building hourlyenergy analysis

    $250 H 2 N A complete implementationofDOE-2.2 features that provides2-D and 3-D displays ofarchitectural building layouts

    including HVAC features, aswell as graphical modelingresults

    A SkyCalc Energy DesignResources

    Determines theoptimum skylightingstrategy that willachieve maximumlighting and HVACenergy savings for abuilding

    Free L 1 N Calculates the lighting andwhole-building energy impactsof each design, and producesgraphs and charts that describeannual energy-use patterns

    A WATERGY FEMP Analysis of water andwater/energy savings

    Free M 2 Y(Can runExcel in

    Webbrowser)

    A spreadsheet model that useswater/energy relationshipassumptions to analyze thepotential of water savings andassociated energy savings

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.commercial.carrier.com/commercial/hvac/general/0,,CLI1_DIV12_ETI495,00.htmlhttp://www.smtest.carrier-commercial.com/software/HAP41FeatureSheet.pdfhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=107/pagename=alpha_listhttp://www.oit.doe.gov/bestpractices/software_tools.shtmlhttp://www.doe2.com/compare.htmlhttp://www.doe2.com/http://www.doe2.com/http://www.doe2.com/Download/Docs/D22PDSum.pdfhttp://www.doe2.com/Download/Docs/D22PDSum.pdfhttp://www.energydesignresources.com/tools/skycalc.htmlhttp://www.energydesignresources.com/resource/129/http://www.energydesignresources.com/resource/129/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=75/pagename=alpha_listhttp://www.eere.energy.gov/femp/information/download_watergy.cfmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=385/pagename=alpha_listhttp://www.commercial.carrier.com/commercial/hvac/general/0,,CLI1_DIV12_ETI495,00.htmlhttp://www.smtest.carrier-commercial.com/software/HAP41FeatureSheet.pdfhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=107/pagename=alpha_listhttp://www.oit.doe.gov/bestpractices/software_tools.shtmlhttp://www.doe2.com/compare.htmlhttp://www.doe2.com/http://www.doe2.com/http://www.doe2.com/Download/Docs/D22PDSum.pdfhttp://www.energydesignresources.com/tools/skycalc.htmlhttp://www.energydesignresources.com/resource/129/http://www.energydesignresources.com/resource/129/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=75/pagename=alpha_listhttp://www.eere.energy.gov/femp/information/download_watergy.cfm
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    SUSTAINABILITY

    A/D BEES NIST For selecting cost-effective,environmentallypreferable buildingproducts

    Free L 2 N BEES measures theenvironmental performance ofbuilding products by using theenvironmental life-cycleassessment approach specifiedin ISO 14000 standards

    A/D Green BuildingAdvisor (GBA)

    BuildingGreen Identifies specificdesign strategies thatcan improve theenvironmentalperformance, cost-effectiveness, andhealthiness ofbuildings

    $179 L 2 N Includes useful overviewinformation on green buildingdesign, an extensive greenproducts database (based onGreenSpec), and abibliographic guide to othergreen building resources

    CALCULATORS

    A The 20%Solution

    LBL Identifies energy-efficiency measuresand their predictedpercentage savings tohelp you meet

    Californias 20/20challenge

    Free L 1 Y California's 20/20 RebateProgram offers a 20% rebate onJune-September electricity billsfor customers of PG&E,SDG&E, and SCE who use at

    least 20% less electricity thanthey consumed June throughSeptember, 2000

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=176/pagename=alpha_listhttp://www.bfrl.nist.gov/oae/software/bees.htmlhttp://www.bfrl.nist.gov/oae/software/bees/bees.pdfhttp://www.buildinggreen.com/ecommerce/cat.cfm?catID=7http://www.buildinggreen.com/ecommerce/cat.cfm?catID=7http://www.buildinggreen.com/ecommerce/cat.jsp?s=7http://www.greenbuildingadvisor.com/images/storyboard/product-library.jpghttp://www.buildinggreen.com/ecommerce/cat.jsp?s=11http://savepower.lbl.gov/http://savepower.lbl.gov/http://savepower.lbl.gov/http://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=176/pagename=alpha_listhttp://www.bfrl.nist.gov/oae/software/bees.htmlhttp://www.bfrl.nist.gov/oae/software/bees/bees.pdfhttp://www.buildinggreen.com/ecommerce/cat.cfm?catID=7http://www.buildinggreen.com/ecommerce/cat.cfm?catID=7http://www.buildinggreen.com/ecommerce/cat.jsp?s=7http://www.greenbuildingadvisor.com/images/storyboard/product-library.jpghttp://www.buildinggreen.com/ecommerce/cat.jsp?s=11http://savepower.lbl.gov/http://savepower.lbl.gov/http://savepower.lbl.gov/
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    Type Name Vendor Purpose Price Skill

    Level

    Ease

    of Use

    Online

    Version

    Notes

    A EnergyCalculators

    FEMP Calculate cost ofvarious equipment and

    appliances

    Free L 1 Y Site for multiple onlinecalculators

    A Home EnergySaver

    LBL Decision-support toolfor calculating energyuse for all end uses inresidential buildings

    Free L 1 Y Calculates annual energy costsas well as carbon dioxidepollution levels. Also provideslinks to numerous other Websites

    A UAC CostEstimator

    PNNL Compares high-efficiency rooftop airconditioners tostandard equipment in

    terms of life cycle cost

    Free L 1 Y Provides an alternative tocomplicated buildingsimulation models, whileoffering more detail than

    simplified estimating tools thatare commonly available

    A SavingsCalculators

    ENERGYSTAR

    Calculate cost ofvarious equipment andappliances

    Free L 1 Y Site for multiple onlinecalculators

    LEGEND:

    Categories: Residential include low-rise residential, sometimes light commercial; Commercial includes high-rise residential, industrial and institutionalType:A = Analytical Application (energy and sometimes financial as well); D = Directory and/or Database ApplicationPrice: + sign next to fee indicates that there are multiple price options, although the minimum price is listedSkill Level (technical knowledge required to use the Application):L = Low; M = Medium; H = High

    Ease of Use (relative to required tasks): Scale is 1-5, with 1 as best and 5 as worst. Note that this is a subjective rating that varies according to each individual user.Online Version (availability): Means can be run via standard Internet Web browser. Y = Yes; N = No

    http://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://homeenergysaver.lbl.gov/http://www.pnl.gov/uac/cost-estimator.stmhttp://www.pnl.gov/uac/cost-estimator.stmhttp://www.pnl.gov/uac/cost-estimator.stmhttp://www.energystar.gov/index.cfm?fuseaction=search.showResults&search_string=calculatorshttp://www.energystar.gov/index.cfm?fuseaction=search.showResults&search_string=calculatorshttp://www.energystar.gov/http://www.energystar.gov/http://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/femp/technologies/eep_eccalculators.cfmhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://www.eere.energy.gov/buildings/tools_directory/software.cfm/ID=44/pagename=alpha_listhttp://homeenergysaver.lbl.gov/http://www.pnl.gov/uac/cost-estimator.stmhttp://www.pnl.gov/uac/cost-estimator.stmhttp://www.pnl.gov/uac/cost-estimator.stmhttp://www.energystar.gov/index.cfm?fuseaction=search.showResults&search_string=calculatorshttp://www.energystar.gov/index.cfm?fuseaction=search.showResults&search_string=calculatorshttp://www.energystar.gov/http://www.energystar.gov/