1 | Building Technologieseere.energy.govBUILDING TECHNOLOGIESEnergy Conservation Programfor Appliance Test ProceduresResidential Central Air Conditionersand Heat PumpsJune 11, 20102 | Building Technologieseere.energy.gov•Attendee self introductions•Role of the Facilitator•Ground rules (norms)–Listen as an ally–Use short, succinct statements/keep to the point–Hold sidebar conversations outside the room–Focus on issues, not personalities–One person speak at a time (raise hand to be recognized; stateyour name for the record)–Set cell phones to silent/vibrate•Housekeeping itemsWelcome and Introduction3 | Building Technologieseere.energy.govAgenda9:00 – 9:15 am9:15 – 9:45 am9:45 – 10:00 am10:00 – 10:10 am10:10 – 11:00 am11:00 – 11:15 amWelcome, Introduction & Agenda ReviewInterested Parties StatementsTest Procedure HistoryScope of Test Procedure RevisionsProposed Revisions Set #1 (e.g., non-EISA)Break4 | Building Technologieseere.energy.govAgenda (Continued)11:15 – 12:00 pm12:00 – 12:15 pm12:15 – 12:20 pm12:20 – 12:30 pm12:30 pmProposed Revisions Set #2 (e.g., EISA)Rulemaking Schedule & Impact on ManufacturersSummary and Next StepsQuestions & Comments / Closing RemarksAdjourn5 | Building Technologieseere.energy.govIn all correspondence, include all of the following:–Energy Conservation Test Procedure for Residential Central AirConditioners and Heat Pumps–Docket Number EERE-2009-BT-TP-0004–Regulatory Identification Number (RIN) 1904-AB94Federal eRulemaking Portal:http://www.regulations.govEmail: RCAC-HP-2009-TP-0004@ee.doe.govComment period closes August 16, 2010Postal Mail:Ms. Brenda EdwardsU.S. Department of EnergyBuilding Technologies ProgramMailstop EE-2J1000 Independence Avenue, S.W.Washington, DC 20585-0121Courier:Ms. Brenda EdwardsU.S. Department of EnergyBuilding Technologies Program950 L’Enfant Plaza, S.W., 6thFloorWashington, DC 20024Telephone: (202) 586-2945Interested Parties Participation6 | Building Technologieseere.energy.govThe Consensus AgreementDOE is aware of and evaluating the merits of EER as well asother topics relating to the Consensus Agreement. DOE isalso aware of the interested parties‘ desire to address thefore mentioned issues. DOE is investigating theConsensus Agreement in part and in total and will make adetermination for the standard at a later time.Therefore, please take that into account in your commentsand questions today . You may submit further concerns inyou written comments to DOE.7 | Building Technologieseere.energy.govInterested Parties StatementsAt this time DOE welcomes opening remarks onthe notice of proposed rulemaking (NOPR) for theresidential central air conditioners and heat pumps(CAC) test procedure.8 | Building Technologieseere.energy.gov1Test Procedure HistoryPublic Meeting Agenda234Scope of Test Procedure RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions9 | Building Technologieseere.energy.gov•Most recent revision: Final Rule published October 2007–Expand coverage (e.g., small-duct high-velocity, multi-split systems) .–Minor updates (e.g., reference standards).–Improve complementary sections of CFR on testing requirements andrating options (e.g., update highest sales volume combinationdefinition, Alternative Rating Method submittal guidance).–No changes that affect SEER and HSPF of minimally compliant units.•Expectations following 2007 Final Rule publication–Test procedure is adequate for foreseeable future.–Use as basis for upcoming Energy Conservation Standardsrulemaking.Test Procedure History10 | Building Technologieseere.energy.gov•Energy Independence and Security Act (EISA)–Signed into Law December 2007.–For CAC, up to two regional standards can be considered in additionto the national standard.–Must account for standby and off mode energy consumption.•DOE concludes that a test procedure rulemaking is meritedto assure compliance with EISA and to consider a few nonEISA test procedure updates.Test Procedure History11 | Building Technologieseere.energy.gov1Test Procedure HistoryPublic Meeting Agenda234Scope of Test Procedure RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions12 | Building Technologieseere.energy.govScope of Test Procedure Revisions•Multi-split systems•Laboratory installation provisions•Test tolerances and in-situ calibration–Indoor air flow–Temperature difference during the cyclic D Test•Address waiver requests–Indoor unit having multiple blowers–Triple capacity, northern climate heat pumps•Miscellaneous itemsSet #1•Standby /off mode energy consumption•Regional standards affect on test procedures•Related extras /omissionsSet #213 | Building Technologieseere.energy.gov1Test Procedure HistoryPublic Meeting Agenda234Scope of Test Procedure RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions14 | Building Technologieseere.energy.govMulti-Split Systems•Further revisions to the “Tested Combination” definition–Clarifying capacity references mean the nominal value.–Slightly broaden indoor combinations that qualify.–Not addressing requested change that would only affect commercialsize multi-split systems.•New minimum external statics for ducted multi-split systems–Alternative to industry proposal to use manufacturer’s rated value.–Consider applying these alternative external statics to ducted minisplit systems and furred down units.15 | Building Technologieseere.energy.govMulti-Split SystemsRated CapacityBtu/hMinimum External Resistance (in wc*)SDHVDuctedMulti-splitsAll OtherSystems≤28,8001.100.030.1029,000 – 42,5001.150.050.15≥43,0001.200.070.20*wc = water column16 | Building Technologieseere.energy.govMulti-Split SystemsNOPR Issue #2:Is a separate set of minimum external static pressures anacceptable way to address the testing of ducted multisplits?Pubic Meeting Question #1:Should the alternative set of minimum external staticpressures be applied to (1) ducted mini-splits and/or (2)ducted furred down/ceiling-mounted units*?*Indoor unit no more than 11 in high and 24in deep with single slab coil that isperpendicular to the flow stream and the system rated capacity does not exceed39,000 Btu/h.17 | Building Technologieseere.energy.govLaboratory Installation ProvisionsPropose adjustments to indoor blower setup procedure:•On fixed speed or constant torque blowers, allowreducing air volume as much as 10% below the ratedvalue to meet DOE minimum static before switching tonext fan speed, pin or dip switch setting.•Add caveat that any incremental changes in the indoorblower configuration have toyield the same cyclic/fandelay characteristic.18 | Building Technologieseere.energy.govLaboratory Installation ProvisionsObservations on blower coil setup procedure:•Goal of procedure: repeatable setups; consistentratings.•TP currently allows reducing air volume as much as 5%.•From modeling, a 10% reduction in air volume isprojected to decrease capacity by up to 2%.–Implication: more chance of failure on capacity if aunit is subject to a third-party certification program.•SEER is projected to decrease by up to 0.4%.•SEER is expected to decrease more if procedure leadsto one fan setting one time and the next highest settinganother time.19 | Building Technologieseere.energy.govLaboratory Installation ProvisionsNOPR Issue #4:Will the proposed adjustments to the indoor blower coilsetup procedure yield more repeatable laboratoryinstallations and more consistent SEER/HSPF values?20 | Building Technologieseere.energy.govLaboratory Installation ProvisionsPropose amendments to the refrigerant charging procedure:•Cover the case where a range is given for sub-cooling,superheat, etc.Îuse the midpoint value.•No adjusting charge after initial setup.•Delete language that allowed deviating from the publishedcharging instructions when testing so long as themanufacturer thereafter revised those same instructions.21 | Building Technologieseere.energy.govLaboratory Installation ProvisionsExpected outcome:•Remove potential loop-hole for adjusting the refrigerantcharge after the testing process begins.•Published installation/charging instructions cannot beoverridden for DOE testing.•Better alignment with procedures used for AHRIcertification testing.22 | Building Technologieseere.energy.govLaboratory Installation ProvisionsPropose clarifications to the system setup procedure:•For DOE certification tests, a manufacturer may fullyinteract with a private testing laboratory hired by themanufacturer to conduct the tests.•Specifically address the case where DOE certificationtests are conducted on a pre-production unit and theinstallation instructions are not yet published.Expected outcome:•Better differentiation between initial DOE certificationtesting and any testing conducted thereafter (e. g,. AHRIcertification testing, DOE enforcement testing).23 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationIssue: Airflow test operating tolerances usually exceeded ifusing an electronic pressure transducer.•0.05 in wc tolerance for external resistance to airflow.•2.0 % of reading (rdg) tolerance for nozzle pressure drop.•Tolerances predate DOE TP: appeared in ASHRAE Std 37-78•Relatively easy to meet tolerance if using liquid manometersbecause of their inherit damping.•Different story if using a higher resolution electronic differentialpressure transducer; more noticeable for higher sampling ratesand variable-speed blowers.•Test operating tolerance used to confirm steady operation.24 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationPotential corrective actions considered by DOE:•Eliminate these two airflow test operating tolerances.•Integrate the signals and calculate an average for equalsubintervals (e.g., 5 sec readings averaged for each minute).•Try to mechanically dampen the pressures to mimic a liquidmanometer (e.g., pressure snubber).•Increase the magnitudes of the tolerances.0.140.160.180.20.220.240.260 5 10 15 20 25 30

External Static Pressure (in wc)Elapsed Time (min)NOPR: Last Option0.05 in wc 0.12 in wc2.0 % rdg 8.0 % rdg25 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationNOPR Issue #5:Are greater tolerances the solution for assuring steadyperformance when using electronic pressuretransducers? If not, DOE is seeking comment on othercorrective actions.26 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationIssue: need to reduce the measurement bias created whenusing different air-side temperature sensors for thecyclic degradation coefficient (CD) tests:•Two companion tests used to calculate CD, one steady-state(SS) and one cyclic (CYC).• CDused in estimating EERcyc/EERss.•To comply with ASHRAE Standard 41.1–1986 (RA 2001),may use two sets of temperature sensors.–Highly accurate sensors during steady-state tests.–Comparatively less accurate but necessarily faster-respondingsensors for cyclic tests.Problem: two sets of temperature sensors lead to differentΔT’s27 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationDOE proposes to minimize the bias when determining thecyclic degradation coefficient, CD, by:correcting theΔT measured during the cyclic test basedon the ratio of the temperature differences measuredusing the two sets of temperature sensors during thecompanion steady-state test.28 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationProposedΔT correction process.•During the steady-state test, measureΔT using both setsof instrumentation at equal intervals that span 5 minutesor less.•Calculate an averageΔT for SS sensors and an averageΔT for the CYC; ratio the twoΔT’s.•Use the finalΔT ratio from the steady-state test to correctthe measuredΔT during the cyclic test.29 | Building Technologieseere.energy.govTest Tolerances & In-Situ CalibrationProposedΔT correction process (continued)•Proposed placing limits on theΔT ratio – between 0.94and 1.06. A ratio outside this range will trigger arecalibration or replacement of one or bothΔT sensors.•In an effort to avoid having to run a complete SS testbefore evaluating whether theΔT ratio is within theallowed range, can calculate theΔT ratio based onminimum of 7 data samples that are acquired over ainterval of 6 minutes or more.30 | Building Technologieseere.energy.govAddress Waiver RequestsProposed amendments to eliminate waiver for systemshaving a multi-blower indoor unit:Background:On 28 August 2008, DOE granted a waiver for a line of multiblower indoor units that may be combined with one single-speedheat pump outdoor unit, one two-capacity heat pump outdoor unit,or two separate single-speed heat pump outdoor units.DOE Proposal:Because the commercialization of these products is unknown,keep test procedure add-ons to a minimum and basic.31 | Building Technologieseere.energy.govAddress Waiver RequestsProposed test procedure additions: multi-blower indoor unit•Scope:–Cover products that use 2 to 8 indoor blowers with a singleor dual-circuit indoor coil.•Simplifications:–Evaluate each system with all and with half of the indoorblowers operating.–For two stage systems, high-stage compressor operationevaluated with all blowers on; low-stage evaluated with halfthe blowers on.32 | Building Technologieseere.energy.govAddress Waiver RequestsProposed amendments to eliminate waiver for a line oftriple-capacity, northern heat pumps:Background:•On 5 February 2010, DOE granted a waiver for a line of heatpumps that offer 3 stages of compressor capacity when heatingand 2 stages when cooling.–Changes needed for HSPF but not SEER determinations.–NOPR slightly different from waiver decision and order.33 | Building Technologieseere.energy.govAddress Waiver RequestsProposed TP additions: triple-capacity northern heat pump•Additional laboratory testing at the 3rdheating stage.•One new outdoor test condition – different in NOPR versus waiverbecause of more achievable wet bulb (wb) depression.– 2°F dry bulb (db) and 1°F wb (proposed in NOPR)– 0°F db and -2°F wb (listed in waiver)•Heating building load assigned based on the 2ndstage of heating at47 oF outdoor temperature.•HSPF bin calculations are an extension of the approach used fortwo-stage heat pumps.•Calculation algorithm accounts for systems that lock out one or twoheating stages at any given outdoor temperature.34 | Building Technologieseere.energy.govAddress Waiver RequestsNOPR Issue #10:Is the coverage for triple-capacity, northern heat pumpsand multiple blower indoor units sufficiently generic whilecapturing the unique equipment features?35 | Building Technologieseere.energy.govMiscellaneous ItemsClarify inputs for the demand defrost credit equation:•The demand defrost credit (Fdef) is a direct multiplier withinthe HSPF calculation.•Historically,Fdefhas a value between 1.00 and 1.03.•In the October 2007 final rule, the maximum test durationwas changed from 12 hours to 6 hours.•The impact on the equation forFdefwas not fully considered.•Two possible corrective actions were considered.36 | Building Technologieseere.energy.govMiscellaneous ItemsClarify inputs for the demand defrost credit equation:,5.15.1103.01max⎥⎦⎤⎢⎣⎡−Δ−Δ−+= 

# τ τdefdefFwhere=Δdef



# τ=Δmax



# τthe time between defrost terminations (in hours) or 1.5,whichever is greater, andmaximum time between defrosts asallowed by the controls (inhours) or12, whichever is less.37 | Building Technologieseere.energy.govPotential corrective actions:•Update the equation forFdefto use 6 hours as the maximum forΔτmaxrather than 12 hours.•Keep currentFdefequation but clarify equation inputs if a test isterminated based on the max time of 6 hours.Miscellaneous Items11.0051.011.0151.021.0251.031.0350 2 4 6 810 12

Demand Defrost Factor (-)Actual Interval of Demand Defrosts (hrs)Pre 2007Option #2 (Current/NOPR)Option #1NOPR proposal38 | Building Technologieseere.energy.govImplications:•No change for heat pumps that defrost within 6 hours(99% of units?).•Boost for heat pumps that defrost after 6 hoursPublic Meeting Question #2:DOE seeks comments on the NOPR proposal to leavethe equation for the demand defrost credit unchanged.Miscellaneous Items39 | Building Technologieseere.energy.govMiscellaneous ItemsPropose to add calculations for sensible heat ratio:•Add to test procedure to endorse its continued use.Specific proposal to calculate SHR for the B Tests.•No extra test burden as measurements are already made.•DOE is not using SHR within the calculation of SEER.•When humidity control is a concern, consumers and theircontractors may wish to know the SHRs of different units.•Adding the SHR to the yellow Energy Guide Label couldonly be considered via Federal Trade Commission (FTC)rulemaking on the issue.40 | Building Technologieseere.energy.govMiscellaneous ItemsClarify that optional frost accumulation tests may beconducted without forfeiting use of the default value(s):•DOE test procedure allows using 0.25 CDdefaults evenif optional CDtests are conducted.•Propose same practice for optional frost accumulationtests.•Use default or measured values for capacity and powerat 35°F, whichever contributes to a higher HSPF(Region IV, DHRmin).41 | Building Technologieseere.energy.govMiscellaneous ItemsPropose to:•Add references to ASHRAE 116 for equations thatcalculate SEER and HSPF for variable-speed systems•Update test procedure references to the currentstandards of AHRI and ASHRAE.42 | Building Technologieseere.energy.gov1Test Procedure HistoryPublic Meeting Agenda234Scope of Test Procedure RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions43 | Building Technologieseere.energy.govStandby / Off Mode EnergyStandby and Off-mode Energy Consumption Rationale•SEER accounts for all (modes of) energy consumptionthat occurs during the cooling season, including timeswhen the air conditioner or heat pump is cycled off.•HSPF accounts for all (modes of) energy consumptionduring the heating season.44 | Building Technologieseere.energy.govStandby / Off Mode EnergyStandby and Off-mode Energy Consumption Rationale•Energy consumed by an air conditioner during theheating season.•Energy consumed by an air conditioner & a heat pumpduring the shoulder seasons.–Combination of location-specific cooling and heatingload hours translates to less than 8,760 hours (seeAppendix A of ASHRAE Std 137).However, when considered on an annual basis, someof the energy consumption is missed.45 | Building Technologieseere.energy.govStandby / Off Mode EnergyPropose to account for out-of-season energy consumption:Define Off-Mode:•AC: time when the unit is powered but idle during the heatingseason and the shoulder seasons•HP: same definition as AC except only applies to shoulderseasons•Add laboratory testing•Add calculations–P1 = representative off-mode power consumption for theshoulder seasons (AC & HP)–P2 = representative off-modepower consumption of an airconditioner during the heating season46 | Building Technologieseere.energy.govOff-Mode Energy ConsumptionOff-Mode laboratory testing•Simple / short duration for models:–Not having a compressor crankcase heater.–Having a crankcase heater that operates continuously.•Mid duration for heat pumps having a crankcase heaterthat is thermostatically controlled.•Longer duration for air conditioners having a crankcaseheater that is thermostatically controlled.–Easier if heater is controlled based only on an outdoortemperature sensor.–More challenging as the control algorithm and feedbacktemperature sensor(s) create a heating profile that is not readilycorrelated to outdoor temperature.47 | Building Technologieseere.energy.govOff-Mode Energy ConsumptionOff-Mode Energy CalculationsShoulder Seasons: P1 * Shoulder Season HoursAC During Heating Season: P2 * Heating Season HoursClimaticRegionCoolingLoadHoursHeatingLoadHoursCoolingSeasonHoursHeatingSeasonHoursShoulderSeasonHoursI240075067311826203II1800125050483148564III1200175033654453942IV800225022445643873Rating Values1000208028055216739V400275011226956682VI20027505616258194148 | Building Technologieseere.energy.govOff-Mode Energy ConsumptionKey Points:•Off-mode energy consumption will notbe used to adjustSEER or HSPF. Doing so would have the following impacts:–Change the cooling season descriptor SEER into an annualdescriptor for ACs and a part-year descriptor for HPs.–Change SEER from being regionally independent to dependent onthe particular combination of Cooling Season Hours (CSH), HeatingSeason Hours (HSH), and Shoulder Season Hours (SSH).•Require measurement of P1 and P2 when new energyconservation standards become effective.•A minimum standard level for P1 and P2 is beinginvestigated.49 | Building Technologieseere.energy.govOff-Mode Energy ConsumptionNOPR Issue #2:DOE seeks comments on the definition of off-modePublic Meeting Question #3:DOE seeks comment on the steps in proposed Section3.13 in Appendix M for off-mode laboratory testingprocedure for A/Cs and H/Ps having a thermostaticallycontrolled compressor crankcase heater.50 | Building Technologieseere.energy.govRegional Standards Affect on TestProceduresTask: Make necessary changes to the test procedure toallow consideration of regional standardsInfluencing Factors / Constraints:•Two additional regions of interest: hot-humid & hot-dry–Focus on cooling•EISA requirement: region must be contiguous states•Dependent on regions established in standardsrulemakings: CAC and F&B•Current structure of test procedure:–Generate performance map of system from laboratory testing–Estimate seasonal performance (SEER)51 | Building Technologieseere.energy.govRegional Standards Affect on TestProceduresTest Procedure Options:1.Make no changes to the existing test procedure withrespect to lab testing and/orcalculations. Use SEER asthe regulating metric for assigning a regional standard.2.Add only calculation stepsto the procedure; couldpossibly use an SEER Hot-Dry, SEER Hot-Humid, EERA,etc. as the regulating metric3.Add both lab testing and calculations to determine aregion-specific metric; could possibly use SEER Hot-Dry,SEER Hot-Humid, etc as the metric.NOPR: Includes Option #3 for SEER Hot-Dry52 | Building Technologieseere.energy.govRegional Standards Affect on TestProceduresWhat do we want from a regional regulating metric?•Information that promotes best use of energy resources•Information that helps the consumer–Seasonal energy consumption–Performance at conditions that impact demand charges (asinstallation of smart meters expands)•Information that helps the electric utility–Performance at full load conditions•Information that helps manufacturer differentiate their productsNOPR Issue #9:DOE seeks comment on usage and effectiveness of SEER Hot-Dryand the advantages and disadvantages of using EER.53 | Building Technologieseere.energy.govRelated Extras / OmissionsExtras:•Propose requirements for the low-voltage transformer used whentesting coil-only units; clarify that transformer’s power consumptionmust be included in metered input to system.•Proposed to change the minimum sampling interval during steadystate tests from 10 minutes to 5 minutes.•Eliminate the short-cut method for calculating the national SEERfor single-speed systems; use bin method instead.–Can account for improvements in the A Test relative to the B Test.–Avoid confusion as to thebasis of the short-cut method.–Promotes consistency across all SEER calculations.54 | Building Technologieseere.energy.govRelated Extras / OmissionsOmissions from the NOPR:•No explicit coverage of EER in NOPR.•Test procedure updates to better address through-the-wall airconditioners and heat pumps.–Explicitly waive requirement for 10 feet of refrigerant tubing outdoors.–Use same or different refrigerant tubing length?–How/where to best measure the outdoor air temperature?55 | Building Technologieseere.energy.gov1Test Procedure HistoryPublic Meeting Agenda234Scope of Test Procedure RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions56 | Building Technologieseere.energy.govRulemaking Schedule•Written comments due to DOE no later than August 16,2010.•Test procedure final ruleexpected to be completed in2011•Test procedure revisions to become effective in twosteps:–Set #1 revisions (e.g. non-EISA): 30 days after final rule.–Set #2 revisions (e.g., EISA+): same effective date as newstandards (6/30/2016).57 | Building Technologieseere.energy.govImpact on Manufacturers•Test procedure revisions will not trigger immediate retestingor re-rating of any products.•SEER and HSPF are not altered as a result of the testprocedure revisions introduced 30 days after the final rule.By the time any amended energy efficiency standardsbecome effective:•SEER-Hot Dry (or EER if used) rating will be required forequipment sold/installed in the hot-dry region.•Off-mode energy parameters required for all systems.•Will require testing some existing and new units and addingcoverage within Alternative Rating Methods.58 | Building Technologieseere.energy.gov1Recent Test Procedure HistoryPublic Meeting Agenda234Scope of Proposed RevisionsProposed Revision Set #1 (Effective w/ TP Rule)5Proposed Revision Set #2 (Effective w/ Standard)Rulemaking Schedule and Impact on Manufacturers6Summary, Next Steps, and Questions59 | Building Technologieseere.energy.govSummary, Next Steps, and QuestionsSubmit written comments by August 16th.•In all correspondence, include all of the following:–Energy Conservation Test Procedure for Residential Central AirConditioners and Heat Pumps.–Docket Number EERE-2009-BT-TP-0004.–Regulatory Identification Number (RIN) 1904-AB94.Written transcript from today’s public meeting will be posted onthe DOE web site:http://www1.eere.energy.gov/buildings/appliance_standards/residential/central_ac_hp.htmlThe efficiency levels proposed inthe Consensus Agreementare being considered by DOE.60 | Building Technologieseere.energy.govSummary, Next Steps, and QuestionsNext milestone event: Notice of Proposed Rulemaking onthe Energy Conservation Standards.Energy Conservation Standards rulemaking and the TestProcedure rulemaking will continue to progressconcurrently.61 | Building Technologieseere.energy.gov•In all correspondence, include all of the following:–Energy Conservation TestProcedurefor Residential Central Air Conditionersand Heat Pumps–Docket Number EERE-2009-BT-TP-0004–Regulatory Identification Number (RIN) 1904-AB94•Federal eRulemaking Portal:http://www.regulations.gov•Email: RCAC-HP-2009-TP-0004@ee.doe.govFinal NoteComment period closes August 16, 201062 | Building Technologieseere.energy.govSummary, Next Steps, and Questions