Engineering Analysis2ANOPR Analyses Flow DiagramFrameworkDocumentANOPRNOPRFinalRuleNationalImpactAnalysisEnergy UseCharacterizationMarket andTechnologyAssessmentScreeningAnalysisEngineeringAnalysisMarkups toDetermineEquipmentPriceLife-CycleCost andPaybackPeriod AnalysisShipmentsAnalysis3Market & Technology Assessment•To characterize the beverage vending machine market to determine availableequipment efficiencies and shipments by equipment classScreening Analysis•To identify design options that increase efficiency and to apply screeningcriteria established by DOE to determine which design options to evaluate andwhich to screen outEngineering Analysis•To characterize manufacturer cost-efficiency relationships for higher efficiencyequipment•To evaluate design options that improve efficiency relative to the baselineunits•Sensitivity analysesPurpose4Market Shares and Unit ShipmentsThree manufacturers account for approximately 75% of the domesticmarket share of all types of covered equipment.•Crane Merchandising/Dixie-Narco, Inc.•Royal Venders, Inc.•Sanden-Vendo AmericaInstalled base of approximately 3,700,000 units.*Approximately 340,000 units are shipped annually.** Automatic Merchandiser, State of the Vending Industry Report (August 2006).Market and Technology Assessment5Screening Analysis MethodScreening AnalysisDesign options screened using the following criteria:•Technological feasibility•Practicability to manufacture, install and service•Adverse impacts on product utility or product availability•Adverse impacts on health or safety6Technologies Selected for Further ConsiderationScreening AnalysisTechnologies that can improve CDEC•higher efficiency lighting and ballasts•higher efficiency evaporator fan motors•evaporator fan motor controllers•improved evaporator design•insulation improvementsor thickness increases•improved glass pack (for Class A machines only)•higher efficiency condenser fan motors•improved condenser design•higher efficiency compressors7Downstream Analyses•Life-Cycle Cost andPayback Period•National ImpactsCost – EfficiencyRelationship

Incremental Manufacturing CostEnergy ConsumptionEngineering AnalysisCharacterize the relationship betweenmanufacturer cost and efficiency (orenergy consumption)Purpose of the Engineering Analysis8Equipment classes analyzed•DOE selected two equipmentclasses for its analyses:–Class A (fully-cooled machines)–Class B (any machine not considered to be Class A)•DOE analyzed three different size beverage vendingmachines for each equipment class:–Small–Medium–LargeDesign-option approach•DOE analytically derived cost-efficiency curves•Used to supplement andvalidate the industry dataEngineering AnalysisEngineering Analysis Method9Design-Option ApproachEngineering AnalysisDefine baseline specifications for each equipment classModel the manufacturer production cost (MPC) and energyconsumption (CDEC) of the baseline unitsImplement design options one-by-one in order of shortestpayback to longest paybackAdd the incremental cost of each design options to thebaseline and recalculate CDEC with design options in placeMarkup the MPC to manufacturer selling price usingmanufacturer markupDevelopBaselineRecalculateModelModelPerformanceImplementDesign OptionsMarkupProductionCost10Engineering AnalysisEnergy Consumption ModelTotal HeatLoad[Btu/h]ComponentLoad[Btu/h]Non-ElectricLoad[Btu/h]Fan MotorHeat Load[Btu/h]Lighting HeatLoad[Btu/h]RadiationLoad[Btu/h]ConductionLoad[Btu/h]InfiltrationLoad[Btu/h]Daily EnergyConsumption [kWh/day]CompressorEnergyConsumption[kWh/day]Compressor Model(ARI 540)Electric EnergyConsumption[kWh/day]Heat Load[Btu/h]Legend:ComponentEnergyConsumption[kWh/day]Fan MotorEnergyConsumption[kWh/day]LightingEnergyConsumption[kWh/day]11Direct materialDirect laborFactory overheadDepreciationSales & marketingResearch & developmentInterestProfitFullProductionCostManufacturerMarkups(Non-Production Costs)ManufacturerSelling Price+=Engineering AnalysisCost ModelCost model adopted from DOE’s rulemaking for commercial refrigerationequipment, due to similarities inmanufacturing processes between selfcontained commercial refrigeration equipment and vending machines.12Engineering AnalysisResults for Class ASmallMediumLarge13Engineering AnalysisResults for Class BSmallMediumLarge14Other IssuesDOE invites comments and recommendations from stakeholders onany other aspects related to the engineering analysis.Engineering Analysis