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National Energy Code for Buildings

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Lyle Scott …

Lyle Scott
NECB 2011 prescriptive requirements and compliance options as well as a review of provincial and U.S. energy code adoption

Published in Design
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Transcript

  • 1. • National Energy Code for Buildings 2011 • What is it? • How will it effect you? • What else is around the corner? • Building Energy LabelingAgenda • Energy Intensity Metrics • NECB 2015
  • 2. National Energy Codefor Buildings 2011 • Update to the Model National Energy Code for Buildings 1997 (MNECB) • ~27% efficiency improvement
  • 3. Model National EnergyCode for Buildings 1997 • Referenced in the OBC • Not used by other provinces • Used by incentive programs and LEED • Requirements changed by province and fuel source
  • 4. National Energy Codefor Buildings 2011 • NECB requirements defined by Heating Degree Days (HDD) • Energy source doesn’t change requirements • National Building Code referenced for weather data
  • 5. National Energy Codefor Buildings 2011 • Contains requirements for: • Building Envelope • HVAC • Domestic hot water • Lighting • electrical power systems and motors • Excludes plug loads
  • 6. National Energy Code for Buildings 2011NECB Parts Compliance Options3. Envelope • Prescriptive or trade-off4. Lighting requirements in Parts 3 to 75. HVAC Or6. DHW • Performance requirements7. Power and Motors in Part 88. Performance Path
  • 7. National Energy Code for Buildings Envelope Compliance OptionsPrescriptive Envelope Meets NECBSimple or DetailedTrade-off BuildingSection 8 Energy MeetsPerformance Path NECB
  • 8. NECB Prescriptive RequirementsBe careful with Climate Zones! Zone 5 Zone 6 Location Toronto Vaughan Mississauga Markham Belleville Kingston Window Usi 2.2 (0.39) 2.2 (0.39) (U-value) Walls (above 0.278 (R-20) 0.247 (R-23) grade) Walls (below 0.3.79 (R-15) 0.284 (R-20) grade)
  • 9. National Energy Codefor Buildings 2011• Maximum Prescriptive Glazing Ratios • 40% Vancouver and Toronto • 36% Ottawa • 33% Sudbury and Edmonton
  • 10. National Energy Codefor Buildings 2011 • Lots of other requirements including: • Heat recovery on many systems • Increased equipment efficiencies • Lighting controls
  • 11. • NECB Coming to BC October 22? • NECB in OBC 2012???
  • 12. Refrigerator Efficiency
  • 13. European Building Energy Labels
  • 14. REALpac 20 by 15 Initiative • Study of 56 buildings • Achieving the 20 by ‘15 target will save an average of $1.35/ft2
  • 15. BOMA BESt Energy Report
  • 16. BOMA BESt Energy Report Step one: Measure Step Two: Improve
  • 17. REALpac 20 by 15 Initiative • Study of 56 buildings • Achieving the 20 by ‘15 target will save an average of $1.35/ft2
  • 18. Architecture 2030 Challenge• Design new buildings to be 60% more energy efficient than the provincial average for that building type • 60% in 2010 • 70% in 2015 • 80% in 2020 • 90% in 2025 • Carbon-neutral in 2030 (using no fossil fuel GHG emitting energy to operate).
  • 19. Architecture 2030 Benchmarks Energy IntensityOntario (GJ/m2/yr)Wholesale 1.85Retail 1.62Information and Cultural 1.73Offices 1.42Education 1.77Healthcare 2.04Arts, Entertainment and Recreation 2.68Accommodation and Food Services 2.60
  • 20. National Energy Code for Buildings 2015• Establishing a building Energy Use Index for 16 building types including: • Offices • Restaurants • Schools • Long Term Care • Residential Buildings • Warehouses • Retail • Pools • Arenas
  • 21. National Energy Code for Buildings 2015Prescriptive Envelope Meets NECBSimple or DetailedTrade-off BuildingSection 8 Energy MeetsPerformance Path NECB
  • 22. National Energy Code for Buildings 2015Prescriptive Envelope Meets NECBSimple or DetailedTrade-offSection 8 EnergyPerformance Path Building Meets***NEW*** NECBEnergy UtilizationIndex Path
  • 23. Questions?
  • 24. ASHRAE Building EQ • Building Energy Quotient Program • Resources for Policy Makers • Pilot released in 2009 • Fully released in 2012 http://buildingeq.com/
  • 25. AIA Architecture 2030 Reporting