pulse energy - how an office building improved its energy perfomance by 20% in one year
DESCRIPTION
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 performanceTRANSCRIPT
Energy & Sustainability in Office Buildings
Toli Sidiropoulos, Polaris Realty
David Helliwell, Pulse Energy
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Introduction
Toli Sidiropoulos
Energy & Sustainability Manager
Polaris Realty
Introduction to AXA Place
E&S Policy Creation
Mechanical Upgrades
EMIS System
Results
Future Plans
Q&A
Agenda
19 storey, 220,000 ft2 office tower
Completed in 1981
Concrete and glass construction
Up to 14 corner offices on each
floor
AXA Place - Description
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
AXA Place – Mechanical Systems
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
E & S Policy Creation Process
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
AXA Place – Mechanical Upgrades
Real time energy profile
Snap-shots of demand peaks
Visual indication of consumption trends
EMIS System
Electricity: 20% decrease vs 2008
Steam: 6% decrease vs 2008
BOMA BC Earth Award 2010
Results in 2009
200000
220000
240000
260000
280000
300000
320000
340000
360000
380000
JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER
Electrical Consumption 2009 vs 2008
2009 2008
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
50000
JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER
Steam Consumption 2009 vs 2008
2009 2008
Water conservation through rainwater collection
Future Plans and Lessons Learned
Pulse Energy Management Software
Q & A
Electricity: 20% decrease vs 2008
Steam: 6% decrease vs 2008
BOMA BC Earth Award 2010
Results in 2009
200000
220000
240000
260000
280000
300000
320000
340000
360000
380000
JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER
Electrical Consumption 2009 vs 2008
2009 2008
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
50000
JANUARY MARCH MAY JULY SEPTEMBER NOVEMBER
Steam Consumption 2009 vs 2008
2009 2008
Q & A
http://oee.nrcan.gc.ca/commercial/technical-
info/tools/index.cfm
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Thank you!
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