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ASHRAE Annual Meeting June 29, 2010 Albuquerque, NM

Energy Saving Analysis for ASHRAE Standard 90.1-2010 Bi ng Liu, P.E., C.E.M. LEED AP Senior Research Engineer Pacific Northwest National Laboratory. ASHRAE Annual Meeting June 29, 2010 Albuquerque, NM. PNNL’s Energy Modeling Support to 90.1. Progress Indicator

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ASHRAE Annual Meeting June 29, 2010 Albuquerque, NM

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  1. Energy Saving Analysis for ASHRAE Standard 90.1-2010Bing Liu, P.E., C.E.M. LEED APSenior Research EngineerPacific Northwest National Laboratory ASHRAE Annual Meeting June 29, 2010 Albuquerque, NM

  2. PNNL’s Energy Modeling Support to 90.1 • Progress Indicator • Measure progress toward the 30% improvement goal in Standard 90.1-2010 • Update Progress Indicator (PI) and report to ASHRAE 90.1 committee at each quarterly meeting • Energy Saving Analyses • Support subcommittees’ new proposals • Develop the building load profile spreadsheet tools for mechanical subcommittee • DOE’s Determination • Estimate the energy savings of 90.1-2007 and 90.1-2010 as part of DOE’s Quantitative Analysis. 2

  3. 90.1 Progress Indicator Structure 3

  4. 90.1 Prototype Buildings - Approach • Convene the 90.1 Simulation Working Group • Representing the 90.1 subcommittees • Establish the ground rules for modeling • Review the key building modeling inputs and assumptions • Review the energy saving analysis results • Follow the 80-20 Rule to determine the prototype buildings • Generate the models for the whole building energy • Receptacle loads (office equipment, cooking appliance, refrigeration etc) • Elevator • Exterior lighting, including façade, walk way, entry, and parking lot 4

  5. 90.1 Prototype Buildings - Source • DOE’s Commercial Reference Building Models • formerly DOE’s benchmark buildings http://www1.eere.energy.gov/buildings/commercial_initiative/new_construction.html • Advanced Energy Design Guides http://www.ashrae.org/technology/page/938 • PNNL’s new construction drawings database • Previous research and studies • Experts reviews and inputs from 90.1 SWG and committee members 5

  6. 90.1 Prototype Buildings 6

  7. 3 Office Prototypes Small Office Non-refrigerated warehouse 1 Warehouse Prototype Medium Office Large Office 7

  8. 2 Mercantile Prototypes 2 Education Prototypes Stand-alone Retail Primary School Strip Mall Secondary School 8

  9. 2 Health Care Prototypes 2 Lodging Prototypes Outpatient Health Care Small Hotel Large Hotel Hospital 9

  10. 2Food Service Prototypes 2Apartment Prototypes High-rise Apartment Mid-rise Apartment Full-Service Restaurant Quick-Service Restaurant 10

  11. Climate Zones 11

  12. New Construction Weighting Factors McGraw-Hill New Construction Data by Building Type Download PNNL report on construction weights: http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19116.pdf 12

  13. New Construction Weights (cont’d) 13

  14. Progress Indicator – Addenda Update • 90.1-2004 = baseline • 90.1-2007 = 90.1-2004 + 44 addenda • June 2010 Progress Indicator • Total 108 addenda considered • 44 addenda to 90.1-2004 • 60 addenda to 90.1-2007 (through May 2010) • 4 addenda pending for approval (BB, BY, CB, CY) • 90 addenda in Section 5 through 10 • 53 addenda have energy saving impacts • 41 addenda captured in PI • 12 addenda can’t be captured in PI 14

  15. Progress Indicator Structure 15

  16. June 2010 PI Summary (Same Ventilation Std) 16

  17. June 2010 PI Summary (Same Ventilation Std) 17

  18. Example: Standalone Retail 18

  19. Example: Fast Food Restaurant 19

  20. June 2010 PI Summary (Different Ventilation Std) 20

  21. 2010 Progress Indicator Summary 21

  22. Alternative June 2010 PI (exclude receptacle loads in the saving calculations) 22

  23. Summary of June 2010 PI Results 23

  24. This is not the final yet… • Apply the remaining BOD-approved addenda to Final PI (90.1-2010) • S (DX performance) • CK (Ventilation reset) • and more… • Document PNNL’s Energy Saving Analysis for 90.1-2010 and publish as a technical report • Complete all the load profiles for all 16 prototype buildings in 17 locations • Support DOE’s 90.1-2010 Determination analysis 24

  25. Time for Questions… PNNL’s Building Simulation Team Bing Liu, team lead Bing.Liu@pnl.gov Mike Rosenberg, Dr. Weimin Wang, Brian Thornton Dr. Yulong Xie, Dr. Heejin Cho, Dr. Jian Zhang Yunzhi Huang, RahulAthalye, Vrushali Mendon • With many thanks to 90.1 Simulation Working Group • Ron Jarnagin, Drake Erbe, Dick Lord, Susanna Hanson, • Merle McBride, John Hogan, and Martha VanGeem

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