McKenney’s replaced nine chilled water coils in 34-year-old air handling units (AHUs) located in an operation center for a large, public service company.

2. Project Name
Chilled Water Coil
Replacement Project
Project Location
Charlotte, North Carolina
Project Team
Specializations
Markets
Owner: Utility Holding Company
Contractor: McKenney’s, Inc.
Mission Critical
Commercial Office
Central Plants
Design/Build
Pipe Shop Prefab

3. McKenney’s replaced nine chilled water coils in 34-year-old air handling
units (AHUs) located in an operation center for a large, public service
company.

4. The Challenge
The facility required zero downtime during occupied hours, which
gave the team only 30 hours on weekends to complete the project.
The AHUs overhaul took place in small, 200-square-foot mechanical
rooms and the team knew it had to act quickly and decisively as it
worked alongside other trades. In addition, an awkward piping
configuration restricted prefabrication work and the condition of the
area under the coils was unknown.
The Solution
With design plans and detailed schedules in place, the McKenney’s
team accelerated AHU replacements. New custom-built stainless steel
drain pans were also fabricated to fit inside the existing pan to support
the weight of the replacement coils.
The content of this document is not intended as an endorsement.

5. The Results
The project was completed on time and on budget. The AHUs are now
running more efficiently, saving energy and operational costs.

6. 1056 Moreland Industrial Boulevard
Atlanta, Georgia 30316
P: 404-622-5000
sales@mckenneys.com
3601 Performance Road
Charlotte, North Carolina 28214
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