Ronald E. Jarnagin SP-102 Chairman Pacific Northwest National Laboratory ron.jarnagin @pnl

1. What’s in the New Advanced Energy Design Guide for Small Office Buildings, and How Did We Get There? Ronald E. Jarnagin SP-102 Chairman Pacific Northwest National Laboratory ron.jarnagin@pnl.gov

2. What’s In the New AEDG? • Document Outline • Climate Zones • Format of Recommendation Tables • Fenestration Recommendations • Lighting Recommendations • HVAC Equipment and System Recommendations • Example Building Designs • How-To Guidance ASHRAE Winter Meeting, Orlando, Fla.

3. AEDG Document Outline • Introduction • Integrated design process to achieve energy savings • Recommendations by climate zone including example building designs • How-to guidance for implementing recommendations ASHRAE Winter Meeting, Orlando, Fla.

4. New Code Climate Zone Map Used New Code Climate Map Used ASHRAE Winter Meeting, Orlando, Fla.

5. Recommendations by Climate Zone • Energy-saving recommendations for each climate zone contained on single page • Helps achieve energy savings without costly calculations or analysis • Addresses building envelope, lighting, HVAC equipment, systems and service water heating ASHRAE Winter Meeting, Orlando, Fla.

6. Format of Recommendations Climate Zone 1 Recommendation Table for Opaque Envelope ASHRAE Winter Meeting, Orlando, Fla.

7. AEDG Recommendations for Fenestration • Window-to-wall ratio (WWR) limited to 40% • Recommendations on window orientation • Exterior sun control • Maximum skylight area of 3% ASHRAE Winter Meeting, Orlando, Fla.

8. AEDG Recommendations for Lighting • Lighting power density of 0.9 W/ft2 • Source efficiency of 90 mean lumens/watt • Electronic ballasts • Daylight controls for WWR >25% within 12 feet of N/S window wall, 8 feet of skylight edge • Occupancy sensors • Minimum surface reflectances ASHRAE Winter Meeting, Orlando, Fla.

9. AEDG Recommendations for HVAC Equipment and Systems • Higher efficiency unitary equipment – varies with climate zone • Motorized outside air damper control • Economizers needed down to 4.5 tons • Demand Controled Ventilation • Lower duct friction rate • No exterior ductwork ASHRAE Winter Meeting, Orlando, Fla.

10. Example Building Designs • Features examples of advanced building energy designs • Demonstrates flexibility offered in achieving advanced energy savings levels • Selected from award winning designs by architects ASHRAE Winter Meeting, Orlando, Fla.

11. Figure EN-3 Figure EN-2 “How-to” Guidance - Envelope ASHRAE Winter Meeting, Orlando, Fla.

12. Figure EN-4 “How-to” Guidance - Lighting ASHRAE Winter Meeting, Orlando, Fla.

13. How Did We Get There? • Meeting Schedule • Phases of the Project • Peer Reviews • Development Challenges/Issues • The Results ASHRAE Winter Meeting, Orlando, Fla.

14. SP-102 Meeting Schedule • Chairman given a year to complete project • 11 Meetings/conference calls • First organizational meeting October 1, 2003 • Last conference call to approve document May ,2004 ASHRAE Winter Meeting, Orlando, Fla.

15. Phases of SP-102 Project • Groping and sniffing (Toy Store Exercise) • Scoping study to assess potential • Bonding • Initial drafting and layout • Refinement of technical recommendations • Final document preparation and assessment ASHRAE Winter Meeting, Orlando, Fla.

16. Peer Reviews • Peer reviews provided primarily by committees/individuals from participating organizations • Around 100 reviewers actively participated • Concept review stage (50%) • Technical refinement review stage (80%) • Final review stage (100%) ASHRAE Winter Meeting, Orlando, Fla.

17. Committee Chairman’s Sidebar on Schedules • Make sure you really understand what the timeline is for your project (get it down in writing) • Ask for a definition of the key terms, like “what does a year mean?” • Learn to appreciate the wisdom of President Clinton’s famous question in the middle of the Lewinsky affair, “define sex?” ASHRAE Winter Meeting, Orlando, Fla.

18. Development Challenges/Issues • Keeping everyone focused through 11 meetings during the year • Plug loads – in or out? • Keeping criteria on single page • Keeping document within page limit • Keeping this “simple” • Possible problems reaching 30% savings consistently in all locations • Trying to work with very different styles • Keeping all constituencies informed ASHRAE Winter Meeting, Orlando, Fla.

19. Did We Do It? You Bet! • Next up in the 30% series are retail and highway lodging • Working on plans for 50% and 70% series guides • Expanded ASHRAE involvement in LEED programs is underway • Guide on sale at 2005 Winter Meeting in Orlando ASHRAE Winter Meeting, Orlando, Fla.

20. Why Should You Care About This? Concerns over energy and sustainability will drive future building decisions. As an HVAC&R professional you will need the tools to remain competitive and help your clients make informed, cost effective decisions. This Guide will be one of those tools. ASHRAE Winter Meeting, Orlando, Fla.

21. Now, Surely You Must Have a Question or Two….. ASHRAE Winter Meeting, Orlando, Fla.