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VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment.

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Presentation on theme: "VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment."— Presentation transcript:

1 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Difficult to Develop Measures and Incentive Programs Uncertain Savings, Costs and Cost effectiveness Owner Unfamiliarity with VCHP Designer Unfamiliarity with VCHP Contractor Unfamiliarity with VCHP Codes and Standards Lack of Information to prioritize measures Develop contractor qualifications and training Develop commissioning requirements Document operation and energy use Develop best practices to ensure energy saving Develop designer training and outreach Develop screening tool for cost effective opportunities Develop owner training on utility incentives and VCHP benefits Select and define highest priority measures Develop high consensus M&V protocols Quantify savings and costs over a specific baseline Develop measures Develop program Deliver program Follow developing codes and standards Action Plan for Variable Capacity Heat Pump Technology Lessons learned from previous projects Manufacturer training Lab and field testing resources Existing owner training channels VCHP research and resources Industry, professional and utility research and resources Codes and standards research and resources Others Barriers Define value proposition for utilities, building owners and contractors 1 p.2 p.3 p.4 p.5 p.6,7p.8,9p.10p.11

2 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Manufacturer training is difficult to access (nearest training center is in Southern California) Contractor Unfamiliarity with VCHP Lack of contractor knowledge/experience Poor installation even by the trained contractors Develop contractor qualifications and training Develop commissioning requirements VRF contractor training in Irvine, California Mark Jerome Get early copies of ASHRAE VRF mechanical tables Daikin provides online classes (http://www.daikinac.com/comm ercial/trainingOverview.asp?sec =training) Develop best practices to ensure energy savings Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of 2012 Investigate Cascade Energy Engineering VRF system; they have been monitoring system energy use for 5 years Mike Cundiff Lessons learned from ASHRAE Headquarters VRF demonstration project Investigate lessons learned from Oakridge residential DHP field testing Investigate lessons learned from Energy Trust New Buildings program has provided incentives for new community college buildings in Southern Oregon, installing Mitsubishi VRFs. M&V-completion date is Fall 2011 Erin Rowe Investigate savings and lessons learned from Corvallis Wild Life Preserve VRF system with HRV and economizers Mark Jerome Investigate lessons learned from Ecotope single-head DHP report (residential), including both field and lab testing. Contact Bob Davis or David Baylon at Ecotope Collaborate with "Center for Built Environment" for post occupancy evaluation of comfort and behavior Paul Delaney Investigate new products and features, including US-centric controls, heat pump boilers, data center rack cooling, etc. Mike Cundiff Technology misapplication can affect deployment 2

3 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Designer Unfamiliarity with VCHP Proprietary equipment makes it hard to understand or commission Develop commissioning requirements Document operation in lab tests Lack of education in design and construction fields on technology VCHP does not fit into standard design process Unfamiliar with controls Get early copies of ASHRAE VRF mechanical tables Engineers are designing systems around the technologies that they are more comfortable with Develop best practices to ensure energy savings Develop designer training and outreach Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of 2012 Investigate Cascade Energy Engineering VRF system; they have been monitoring system energy use for 5 years Mike Cundiff Lessons learned from ASHRAE Headquarters VRF demonstration project Investigate lessons learned from Oakridge residential DHP field testing Investigate lessons learned from Energy Trust New Buildings program has provided incentives for new community college buildings in Southern Oregon, installing Mitsubishi VRFs. M&V-completion date is Fall 2011 Erin Rowe Investigate savings and lessons learned from Corvallis Wild Life Preserve VRF system with HRV and economizers Mark Jerome Investigate lessons learned from Ecotope single-head DHP report (residential), including both field and lab testing. Contact Bob Davis or David Baylon at Ecotope NREL may be a resource for lab testing VRF systems Bruce Baccei TI Project 216 EPRI Lab Testing Codes and standards were not available until recently Collaborate with "Center for Built Environment" for post occupancy evaluation of comfort and behavior Paul Delaney Investigate new products and features, including US-centric controls, heat pump boilers, data center rack cooling, etc. Mike Cundiff EWEB commissioning case study AHRI 1230 Mike Cundiff Daikin provides online classes (http://www.daikinac.com/comme rcial/trainingOverview.asp?sec=tr aining) Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of 2012 Technology misapplication can affect deployment Questionable cost effectiveness of economizers and ground coupled applications Develop screening tool for cost effective opportunities Lack of performance data to validate manufacturer claims Lack of robust design and modeling tools Not all applications of VCHP systems with simultaneous heating and cooling capability are cost effective Some applications are not appropriate for VRV e.g. large OSA with not many zones Technology misapplication 3

4 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Uncertainty in the market about the benefits of the system over the other systems Unsure of system operation Owner Unfamiliarity with VCHP Develop owner training on utility incentives and VCHP benefits Owners are not familiar with the systems Get early copies of ASHRAE VRF mechanical tables Develop best practices to ensure energy savings Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of 2012 Investigate Cascade Energy Engineering VRF system; they have been monitoring system energy use for 5 years Mike Cundiff Lessons learned from ASHRAE Headquarters VRF demonstration project Investigate lessons learned from Oakridge residential DHP field testing Investigate lessons learned from Energy Trust New Buildings program has provided incentives for new community college buildings in Southern Oregon, installing Mitsubishi VRFs. M&V-completion date is Fall 2011 Erin Rowe Investigate savings and lessons learned from Corvallis Wild Life Preserve VRF system with HRV and economizers Mark Jerome Investigate lessons learned from Ecotope single-head DHP report (residential), including both field and lab testing. Contact Bob Davis or David Baylon at Ecotope There are a lot of HVAC options in the market so this may not be perceived as the best option for a given application Lack of data and market knowledge to promote technology Perception of risk, uncertain owner and user, occupant acceptance Collaborate with "Center for Built Environment" for post occupancy evaluation of comfort and behavior Paul Delaney Investigate new products and features, including US-centric controls, heat pump boilers, data center rack cooling, etc. Mike Cundiff NEEA and BOMA owner training 4

5 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Lack of Information to Prioritize Measures Select and define highest priority measures Identify when and where designers include electric resistance heat with VRF systems Screen for where VRF HR systems are cost-effective Quantify savings for replacing electric heat Understand engineering, Installation, ownership, utility barriers Hard to define baselines to make comparisons Evaluate whether the amount of VCHP refrigerant is an issue Preliminary screening of cost effectiveness of measures Identify installations where savings can be verified Verify the significance of duct losses and feasibility of M&V Investigate savings for baselines that do not have cooling Distribute and post EPRI VRF market studies, commissioned by BPA, when they are available Mira Vowles Develop cost database Mitsubishi VRF analysis based on EnergyPro model Nick Fernandez ASHRAE Appendix G Uncertain cost effectiveness for some applications VCHP measure potential research and studies (Power plan) Evaluate top identified applications 5

6 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Uncertain Energy Savings, Costs and Cost Effectiveness Quantify savings and costs over a specific baseline Select baseline Quantify annual energy savings, benefits, costs Develop models to quantify savings for top priority measures Quantify energy savings for night setback Quantify non-energy benefits (O&M, gas savings, productivity due to improved comfort, etc.) to fully account for additional cost effective measures Uncertain savings Establish measure life Investigate lessons learned from BC Hydro VRF office building retrofit in Vancouver; combination of modeled/measures savings. Presented at Emerging Tech Conference in Sacramento in Nov 2010 Ron Domitrovic Mitsubishi VRF analysis based on EnergyPro model Nick Fernandez Document savings trade-off for VRF HR without economizers, Paul Doppler Jim Benville Investigate savings and lessons learned from Corvallis Wild Life Preserve VRF system with HRV and economizers Mark Jerome Use AHRI 1230 equipment performance ratings (EER, COP, IEER) to estimate savings, including water cooled VRF system savings over air cooled VRF systems Mike Cundiff Skepticism about savings and real cost/benefit ratio Investigate lessons learned from PNNL/NEEA work to disaggregate electrical loads, and use to determine actual VRF system energy use Nick Fernandez Uncertain cost Unknown equipment life Distribute and post EPRI VRF market studies, commissioned by BPA, when they are available Mira Vowles Investigate new products and features, including US-centric controls, heat pump boilers, data center rack cooling, etc. Mike Cundiff Condensate piping and pumps are a costly oversight Incremental costs of VRF systems could be higher or lower than baseline systems Utilities can not incent if incremental cost is negative Investigate life of Asian systems TI Project 216 EPRI VRF HR Lab Testing 6

7 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Identify installations where savings can be verified Existing M&V approaches like energy modeling and deemed savings are not proven for VRF systems Complex systems-hard to accurately measure and quantify savings Develop high consensus M&V protocols Share results from EPRI VRF&DHP EE Demo's Mira Vowles RTF VCHP Sub committee IPMVP Document M&V protocols from field tests Possible opportunity for field testing in a set of test bed commercial buildings that are being constructed in Richland, WA at PNNL's headquarters. Nick Fernandez Challenges metering commercial VCHP systems M&V for Uncertain Energy Savings 7

8 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Product/Service Area : Difficult to Develop Measures Uncertain savings Document magnitude and longevity of the incremental electric energy savings. Develop simple savings calculators based on documented performance to be nimble, reduce reliance on energy models and lower program delivery cost Evaluate cost effectiveness of measures Develop whole building savings estimation and M&V using billing data Verify tenant billing system for M&V Determine sample size to quantify statistically significant savings Develop equipment based measures Uncertain cost Field test M&V protocols Summarize lessons learned based on evaluation of SCE's upstream VRF incentive program Paul Delaney ASHRAE VRF mechanical tables Unknown equipment life Describe energy savings time-of- occurrence and duration: Load Shape, Lifetime Use AHRI 1230 equipment performance ratings (EER, COP, IEER) to estimate savings, including water cooled VRF system savings over air cooled VRF systems Mike Cundiff Develop performance based measures Consider upstream program ($/ton), similar to SCE, based on energy models Quantify baseline EUIs for building types Higher first cost VRF may add cooling to uncooled baselines Design program to minimize free ridership Develop simple system start-up requirements for incentives Develop measure specific M&V protocols Share results from EPRI VRF&DHP EE Demo's Mira Vowles RTF VCHP Sub committee IPMVP Possible opportunity for field testing in a set of test bed commercial buildings that are being constructed in Richland, WA at PNNL's headquarters. Nick Fernandez VRF Pilot to verify measure savings Investigate incorporating VRF systems into office of the future pilot projects which have 30-50% savings goals. Contact Amy Cortese, with New Building Institute, Bruce Baccei Complicated utility incentive process Define the value proposition for the utilities, building owners and contractors 8

9 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Difficult to Develop Incentive Programs Quantify savings for baselines that do not have cooling Develop VRF measures, possibly whole building/pay for performance incentives Quantify baseline EUIs for building types Develop best practices to prevent electric resistance heat operation Develop best practices and specifications for ERV design and operation Evaluate unoccupied temperature set-back/set-up, DOAS control, electric resistance heat lock-out, low-ambient performance and optimal start capabilities -develop best practices and pay for performance Higher initial cost Usually adds cooling to a space that did not have cooling before Summarize lessons learned based on evaluation of SCE's upstream VRF incentive program Paul Delaney Determine free ridership. Design program to minimize free ridership Develop simple system start- up requirements for incentives Develop equipment based measures Develop performance based measures Consider upstream program ($/ton), similar to SCE, based on energy models Develop VCHP Incentives 9

10 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Codes and Standards Costly to meet ventilation codes with VCHP systems Follow developing IECC and other economizer code exceptions Evaluate whether the amount of VCHP refrigerant is an issue Safety concerns over refrigerant leaks ASHRAE refrigerant standard Codes and standards are still being developed IECC 2012 Get early copies of ASHRAE VRF mechanical tables Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of 2012 Follow developing codes and standards Document savings trade-off for VRF HR without economizers, Paul Doppler Jim Benville IECC 2012 Difficult to meet net zero Follow developing IECC net zero requirements Follow developing IECC and other economizer code exceptions Evaluate whether the amount of VCHP refrigerant is an issue Follow developing IECC net zero requirements 10

11 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Other Barriers Inertia of traditional (US) HVAC manufacturing design and contracting system Define the value proposition for the utilities, building owners and contractors Cheaper install equals less commission for sales man Negative experiences e.g. ASHRAE HQ Issues Lessons learned from ASHRAE Headquarters VRF demonstration project Investigate lessons learned from Oakridge residential DHP field testing Investigate lessons learned from Energy Trust New Buildings program has provided incentives for new community college buildings in Southern Oregon, installing Mitsubishi VRFs. M&V-completion date is Fall 2011 Erin Rowe Investigate savings and lessons learned from Corvallis Wild Life Preserve VRF system with HRV and economizers Mark Jerome Investigate lessons learned from Ecotope single- head DHP report (residential), including both field and lab testing. Contact Bob Davis or David Baylon at Ecotope. Bob Davis Investigate lessons learned from BC Hydro VRF office building retrofit in Vancouver; combination of modeled/measures savings. Presented at Emerging Tech Conference in Sacramento in Nov 2010 Ron Domitrovic Share EPRI VRF & DHP EE Demo results and Market Studies Mira Vowles Get early copies of ASHRAE VRF Handbook Chapter, which is scheduled to be available Spring of

12 VCHP Energy Efficiency Measure Development Roadmap Barriers Action Items Resources TI Research Needed Resource Available Proposed Action Item E3T Assessment Needed Identified Barrier Non Energy Benefits of VCHP Systems Non Energy Benefit (Adoption Driver) Non Energy Benefits Aesthetics Aesthetically more pleasing than a PTAC or PTHP Design and Installation Flexibility-large array of applications and models-can fit many different needs Allows for the application of a heat pump to larger buildings where traditional HP systems aren't feasible Adds A/C to older buildings with less disruption Good for renovations "older buildings" More space in ceilings and walls Less ductwork or no duct work needed Adaptability for retrofit applications Modular components may help simplify design and flexibility for tenant changes Ease of installation in retrofit applications Smaller footprint than RTU No wasted space costing-smaller shafts, mechanical rooms etc. Straight forward retrofit for many existing systems Full integrated controls ensures system performs as intended Multi splits can prevent zones from fighting Interface Individualized control-billing for tenants in an office building Energy use monitoring FDD capabilities and remote displays Packaged controls Improved Comfort Low noise Non heat recovery mechanical ventilation can be a comfort and an energy waster Zonal control can be more precise-minimal simultaneous heating and cooling Improved comfort with multiple thermostats to allow individual office personal to control their own environment 12

13 13 Gannt Chart: Action Items in High Level VCHP Energy Efficiency Measure Development Roadmap

14 14 Gannt Chart: Action Items in Detail (1 of 2) VCHP Energy Efficiency Measure Development Roadmap

15 15 Gannt Chart: Action Items in Detail (2 of 2) VCHP Energy Efficiency Measure Development Roadmap

16 ApplicationExisting SystemNew System Commercial application in a converted houseElectric resistanceDHP mini split 2 head, 1 outdoor unit Small and medium officeMultiple single speed ASHP-AC with electric heatVRF multi split-VRF heat recovery Small and medium officeOld rooftop HPVRF with separate rooftop HP ERV Small and medium officeSingle speed ASHP or A/C with electric heatVRF multi split Small RetailSplit system heat pump with fans/zonal electric without ACDHP mini split or with multiple heads Building with data center or other heat sourceAny electric heatVRF heat recovery and DOAS School Hydronic heat pumps with electric boiler-closed cooling tower- economizers for each zone VRF with heat recovery Small and medium officeVAV with electric perimeter heatVRF with heat recovery Small and medium officeWSHPVRF with heat recovery Assisted LivingPTACDHP 1 head-1 comp per room LodgingPTAC/PTHPDHP mini split Multi family/Multi family small-riseZonal electric or electric FAF/Electric resistanceSingle or two head DHP/DHP split Multi family-ApartmentsBase board heat-electricVRF multi split Multi family-Apartments low risePTHP with electric resistanceDHP mini split Assisted Living4 pipe FCVAV with reheat Lodging-HotelChiller-Boiler with fan coilsWater cooled VRV Assisted LivingBoiler & Cooling Tower with 180 WSHPsDHP-Fujitsu 3 ton 3 head DHP 60 outdoor units 180 indoor units DormFCUWSHP Large office4 pipe FCUVAV with reheat Small and Medium Office-Small office up to 5000 sfRTUS(gas pack or heat pump)VRF multi split Small or medium office-4 to 5 storiesPSZ heat pumps-multiple sercing each floorVRF with heat recovery Small and medium office Rooftop air cooled DX VAV with series or parallel fan box with ECM, 100% OA economizer-no heat recovery VRF with heat recovery SchoolChilled water fan coil units-radiatorsVRF with heat recovery SchoolCeiling heatVRF with heat recovery SchoolFCUVAV with reheat Assisted LivingBase board heat-Window ACVRF with heat recovery Large Office (>60000, > 150 tons)Packaged VAV HPVRV heat pump Lodging-HotelPTAC with electric heatVRF with heat recovery Retail building approximately sq ft concrete block slightly pitched roof (flat) Multiple roof top units (6) 10 ton with 3 ph strip heat with concentric diffusers Daikin VRV or Mitsubishi City Multi R2: 20- 2x2 casettes for T bar ceiling & 3-wall mount units Large Office (>60000, > 150 tons)VAV with reheat-chilled & hot water loopVRF with heat recovery SchoolCentral boiler-Window ACVRF multi split 16

17 ApplicationExisting SystemNew System Commercial application in a converted house Electric resistance DHP mini split 2 head, 1 outdoor unit Small and medium office Multiple single speed ASHP- AC with electric heat VRF multi split-VRF heat recovery Small and medium officeOld rooftop HP VRF with separate rooftop HP ERV Small and medium office Single speed ASHP or A/C with electric heat VRF multi split Small Retail Split system heat pump with fans/zonal electric without AC DHP mini split or with multiple heads 17

18 Survey for Prioritization of Potential Measures VCHP Energy Efficiency Measure Development Roadmap 18 Objective of this survey is to prioritize potential measures identified in the VCHP roadmapping effort. Please use the following link to reach the survey Link: Please complete the survey by 5:00 pm on May 27 th


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