HoustonGeolocation: 29.8312, -95.5665

Energy Systems Associates (ESA) was acquired by Terracon in 2010 and has an office in Houston dedicated to Facilities services. By merging with ESA, Terracon is able to offer our clients an expanded portfolio of Facilities services by professionals who have done this for the past twenty-eight years. Most of ESAs experience has been the direct result of investment grade energy audits developed by members of ESA's professional engineering staff. They specialize in professional MEP engineering and design services, commissioning and energy management and consulting.

11555 Clay Rd., Suite 100
Houston, TX 77043

Phone: (713) 690 8989
Fax: (713) 690 8787




Todd Swoboda, Office Manager

Key Projects

Houston Independent School DistrictGeolocation: 29.7629, -95.3831
As the largest school district in the state of Texas, and the seventh largest in the nation, Houston ISD covers over 300 square miles, and has an enrollment that tops 200,000 students. ESA was retained to assist the school district in assessing their utility usage, equipment needs, and potential methods of reducing their second largest annual budget item, energy. For five months, teams of engineers performed site surveys on each of the 264 campuses, consisting of 1,962 buildings, and over 25 million square feet. The services provided to the school district included mechanical equipment…

Klein Independent School District, Klein High SchoolGeolocation: 30.0477, -95.5324
Klein High School is one of four public high schools in the Klein Independent School District located in northwest Harris County, TX. Originally founded in 1938, KHS was moved to its current location in 1963 and serves approximately 3,500 students. Eleven of the fifteen buildings which currently make up Klein High School are slated to be destroyed and a new, single building. Klein chose the TX-CHPS "Enhanced Building Systems Testing and Training" Commissioning process as a framework and selected ESA Energy Systems Associates, Inc. as the Commissioning Agent for this multi-phase project to…

Marathon Oil TowerGeolocation: 29.7629, -95.3831
The Marathon Oil Tower is a 43 story commercial high-rise building located in the mid-town district of Houston, Texas. ESA Energy Systems Associates, Inc. was retained to perform retro-commissioning on Marathon Oil Tower, and in particular to find low-cost and no-cost renovation projects which could provide energy savings and /or improve the operation of the building. The retro-commissioning was performed as a part of the CenterPoint Retro-Commissioning Program and as such, the goal was also to identify ways to decrease electricity demand, particularly during CenterPoint's peak load periods.