Services Provided
DDC Training
Greenville, South Carolina
Project Size
110,000 GSF
Systems Commissioned
HVAC Systems
Hydronic Central Plant
DDC Controls


The Greenville County School District hired KLG Jones to provide full retro-commissioning services for the HVAC systems in Buena Vista Elementary due to the high energy costs relative to other schools in the district, even though the systems were relatively new and sophisticated. The retrocommissioning process began with a ASHRAE Level II energy audit of the building to identify energy savings opportunities and to determine if the building was operating in accordance with the original design intent. The operation of the entire HVAC system was verified through functional testing and trending with data loggers to determine if the equipment was functioning in accordance with the proper sequences, if control loops were tuned and if all analog inputs were calibrated.

KLG Jones calibrated the analog inputs for the entire system including 55 CO2 detectors, 60+ thermostats, humidistats and outside air sensors. The controls were reprogrammed for the dedicated outside air unit, the air handling units and the central plant. The maintenance staff repaired equipment and controls that were found to be nonfunctional. Extensive training of the maintenance staff in the proper operation of the system was provided.

The entire process resulted in the documented energy savings of over 25% in annual electrical bills and over 60% in annual gas bills. The retro-commissioning fees were paid for in two months of energy savings.


About Us

KLG Jones is a nationally recognized engineering firm dedicated to building commissioning, retro-commissioning, energy audits, energy modeling, energy consulting, test and balance and problem building investigation.

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What clients are saying...

I would like to offer my appreciation to KLG Jones for the work they have provided to the Charleston School District over the past four...

Rick Holt, Vice President/Program Director
Cumming Corporation

It is with a great deal of pleasure that I write this Letter of Recommendation to anyone who is considering entering into a contract with...

Kelley Ingram, Project Manager
Appalachian State University

I am happy to recommend and give a positive reference for KLG Jones to anyone who may be considering using their services. I have found...

Bill Knight, PE, Director of Energy Management
School District of Greenville County

Southern Mechanical has worked with KLG Jones on many projects since 2005. Our experience has included industrial projects such as Timken Bearing, Institutional projects like...

Philip Walpole PE, Southern Mechanical

KLG Jones has been serving us well. They are responsive, timely, affordable and easy to negotiate with. I would highly recommend them for your next...

Alisa Scalley, Project Manager
GSA Region 4

We have appreciated the professionalism, quality, skill, pride and most of all the caring that each person involved put forth to make this project a...

Sr. Nancy, Monastery of St. Clare

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