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A Showcase in Energy Efficiency - McKenney's Energy Services
1. Project Highlights
2500 Windy Ridge
Parkway—A Showcase Project Team
žž Owner: Wells Real Estate Funds
in Energy Efficiency žž Contractor/Engineer:
McKenney’s, Inc.
W
ith more than $11 billion the entire building. Unfortunately, the original The Challenge
invested in real estate, plant configuration was not the most efficient
Wells Real Estate Funds and did not include today’s technologies. Sig- žž Upgrade dated equipment and
systems, including CEP and BAS
is committed to sustainable practices that nificant operational improvements had been
promote growth. As a result, the firm has made previously by Wells to increase Energy žž Implement strategies and
implemented major green initiatives for many Star® performance from 75 to 92 but much install equipment to conserve
of its properties, including the 15-story office of the original equipment was at the end natural resources
building at 2500 Windy Ridge Parkway in of its useful life and needed to be replaced.
The Solution
The McKenney’s in-house žž Analyze and compare systems
design engineering team for most cost- and energy-
efficient solution
developed a compre
hensive energy model žž Install new series variable
flow CEP
of the building to analyze
and compare multiple žž Implement new web-based
digital control systems
upgrade options,
žž Repurpose condensate for
including alternative cooling tower makeup water
plant configurations
žž Harvest water for irrigation
and chiller efficiencies.
The Results
Atlanta. That property is now recognized The McKenney’s in-house design engineer
žž Supported LEED Gold
®
as one of the area’s flagship models for ing team developed a comprehensive energy
sustainability and energy efficiency. model of the building to analyze and com- Certification award
pare multiple upgrade options, including
žž Improved Energy Star rating
®
The building—which serves as corporate
alternative plant configurations and chiller from 75 to 98
headquarters for Coca-Cola Enterprises—
efficiencies. The team installed a variable
was built in 1985. Wells wanted to enhance
p
rimary flow, all VFD CEP featuring two 425- žž Reduced water use for cooling
the original mechanical systems to improve tower operations by 46 percent
ton water-cooled chillers piped in a series
efficiency and McKenney’s was chosen to
counterflow arrangement for more opera- žž Saved more than 80,000 gallons
manage the upgrade with a focus on energy of irrigation water in 6 months
tional control and greater energy efficiency.
and environmental stewardship.
Even though the variable flow configuration žž Projected 16 month
The central energy plant (CEP) provides payback for variable flow
required an additional $100,000 investment,
h
eating and air-conditioning services for configuration investment
For more information contact McKenney’s at 404-622-5000. žž Five year projection to recoup
entire CEP investment
info@mckenneys.com www.mckenneys.com