McKenney’s completed a large-scale variable refrigerant zoning (VRZ) retrofit to curb energy costs at a metropolitan Atlanta church and daycare center. For more information visit http://www.mckenneys.com.

2. Project Name
Metropolitan Church
VRZ Retrofit
Project Location
Atlanta, Georgia
Project Team
Owner: Metropolitan Church
General Contractor:
McKenney’s, Inc.
Specializations
Energy Management
Public Assembly &
Places of Worship
MarketsMarkets

3. McKenney’s completed a largescale variable refrigerant zoning (VRZ)
retrofit to curb energy costs at a metropolitan Atlanta church and
daycare center.

4. The Challenge
McKenney’s had to install the VRZ at the multi-storied church with aging
infrastructure and architecture. There could be no downtime in air
conditioning to the daycare facility—which the existing system primarily
served—and the team had to adhere to lengthy “no noise” hours.
The Solution
The team installed all equipment while the existing system was online.
As a precaution, work began in the fall so the cooling system could be
modified when those electrical circuits weren’t needed. Also, much of
the installation was done after daycare hours to safeguard the
children.
The content of this document is not intended as an endorsement.

5. The Results
The church is now able to curtail energy expenses by cycling systems on
and off as needed. This successful retrofit differentiated McKenney’s
among building services providers that install conventional split systems
and has led to additional VRZ installations at this and other Atlanta
churches.

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