Pulse energy - How an Office Building Improved its Energy Perfomance by 20% in One Year

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Property managers are feeling increased demand for energy management and environmental responsibility from owners, tenants, and the public. Improving energy efficiency lowers maintenance and operation costs, creates comfortable workplaces for tenants, and reduces the carbon footprint of buildings.

Toli Sidiropoulos, Energy and Sustainability Manager for AXA Place, shared how a 20 story office building reduced its energy consumption by almost 20% in one year and won an Earth Award from BOMA for its sustainability efforts. Toli’s presentation included an overview of:

* the conservation/sustainability plan for AXA Place
* the retrofits, upgrades, and initiatives that successfully generated energy savings
* the role that energy management systems played in optimizing AXA Place’s energy performance

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Pulse energy - How an Office Building Improved its Energy Perfomance by 20% in One Year

  1. 1. Energy & Sustainability in Office Buildings Toli Sidiropoulos, Polaris Realty David Helliwell, Pulse Energy
  2. 2. GoToWebinar Control Panel Hide the control panel Ask us questions!
  3. 3. Introduction Toli Sidiropoulos Energy & Sustainability Manager Polaris Realty
  4. 4. Agenda  Introductionto AXA Place  E&S Policy Creation  Mechanical Upgrades  EMIS System  Results  Future Plans  Q&A
  5. 5. AXA Place - Description  19 storey, 220,000 ft2 office tower  Completed in 1981  Concrete and glass construction  Up to 14 corner offices on each floor
  6. 6. AXA Place – Mechanical Systems  Cooling: 450 kW variable speed driven chiller  Heating: steam/reheat coils  HVAC 2nd to 6th floor: central air handling system  HVAC 7th to 19th floor: floor-by- floor variable volume air handling
  7. 7. E & S Policy Creation Process  History of being pro-active in energy conservation  Acquired executive buy-in for sustainability policy goals  Obtained GHG inventory as a benchmark  Geared policy to efficient building operations and increased tenant comfort  Focused on:  Purchasing policy  Recycling facilities  Tenant engagement  Co-operation with contractors
  8. 8. AXA Place – Mechanical Upgrades  Contracted AJA Inc. to complete an energy study  Used recommendations to write long-term budget  Completed “low hanging fruit” projects first:  2 to 1 lamp system  LED exit signs  exterior LED coffer upgrades  Performed further upgrades:  DDC upgrade  automated lighting controls
  9. 9. EMIS System  Real time energy profile  Snap-shots of demand peaks  Visual indication of consumption trends
  10. 10. Results in 2009  Electricity: 20% decrease vs 2008  Steam: 6% decrease vs 2008  BOMA BC Earth Award 2010 Electrical Consumption 2009 vs 2008 Steam Consumption 2009 vs 2008 380000 50000 360000 45000 340000 40000 320000 35000 30000 300000 25000 280000 20000 260000 15000 240000 10000 220000 5000 200000 0 JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER 2009 2008 2009 2008
  11. 11. Future Plans and Lessons Learned  Water conservation through rainwater collection
  12. 12. Pulse Energy Management Software
  13. 13. Q&A
  14. 14. Results in 2009  Electricity: 20% decrease vs 2008  Steam: 6% decrease vs 2008  BOMA BC Earth Award 2010 Electrical Consumption 2009 vs 2008 Steam Consumption 2009 vs 2008 380000 50000 360000 45000 340000 40000 320000 35000 30000 300000 25000 280000 20000 260000 15000 240000 10000 220000 5000 200000 0 JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER 2009 2008 2009 2008
  15. 15. Q&A http://oee.nrcan.gc.ca/commercial/technical- info/tools/index.cfm
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  28. 28. Thank you!  Sign up for a free version of Pulse at www.CheckYourBuildingsPulse.com  Additional questions? Contact Pulse Energy at: 1-877-331-0530  Look for future and archived webinars on our website: www.pulseenergy.com/resources/webinars

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