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Variable Capacity Heat Pump RTF Sub-Committee September 28 , 2011

Variable Capacity Heat Pump RTF Sub-Committee September 28 , 2011. Mira Vowles, P.E., CEM Emerging Technology Project Manager BPA Energy Efficiency. Variable Capacity Heat Pumps (VC HP = VRF + DHP). +. Variable Refrigerant Flow Heat Pump System. Ductless Heat Pumps.

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Variable Capacity Heat Pump RTF Sub-Committee September 28 , 2011

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  1. Variable Capacity Heat Pump RTF Sub-CommitteeSeptember 28, 2011 Mira Vowles, P.E., CEM Emerging Technology Project Manager BPA Energy Efficiency

  2. Variable Capacity Heat Pumps (VC HP = VRF + DHP) + Variable Refrigerant FlowHeat Pump System Ductless Heat Pumps

  3. SCE Upstream VRF Program Summary • Started in 2010 • Distributers receive incentives • Energy Solutions administers program

  4. Upstream VRF Program Discussion Jeff Johnston, LEED AP Energy Solutions Project Manager

  5. Small Office VRF Savings Summary

  6. Medium Office VRF Savings Summary

  7. Small Office VRF Cost Effectiveness

  8. Medium Office VRF Savings Summary

  9. VRF Program Research Questions • Can whole building regression analysis be used to verify savings? • How can savings associated with changes to ventilation systems be verified cost-effectively? • How big of an effect do other baselines have on savings? • Other?

  10. VRF Program Delivery Questions • Can this be a utility equipment rebate program, instead of an upstream program? • Limit to replacement on burn-out? • How to ensure replacement on burn-out? • Limit to baseline systems? • How to ensure baseline systems? • Other?

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