a dba of Purtle + Associates, L.C. | Texas Firm No. 10120

Consulting Mechanical & Electrical Engineers


We help municipalities, facilities, and large organizations spend less on energy and maintenance through turnkey upgrade projects.

Don't Spend More On Energy Than You Have To!

Your Project's ROI is Priority #1

Have You Considered Optimizing Your Facility's Energy Usage?


We deliver energy improvement projects from start to finish.

Lower Costs

Spend less money on energy and maintenance, while maintaining expected operational results.


Money is available to fund your project. We know how to help you get it.


  • LED Lighting Retrofits | Controls | Dimming
  • Solar Power
  • Meter Consolidation | Demand Reduction | Utility Bill Analysis
  • Power Quality | Power Factor Correction
  • Arc Flash Studies
  • Emergency Power | Generators | UPS Systems


  • ENERFIT Energy Retrofit on HVAC Equipment
  • HVAC Controls | Delta Controls
  • Retro Commissioning of HVAC Systems
  • Mechanical Systems (Direct Expansion, Hydronic, Steam, etc)
  • Compressed Air Systems


  • Entire Facility Energy Master Planning
  • Facility-wide Metering and Verification
  • Utility Incentive Strategies
  • Sparkfund Financing  for Qualified Clients
  • Full Engineering Design Capabilities (E|M|C|S)

Purtle + Associates

We are a mechanical, electrical, and plumbing MEP engineering consulting firm. We provide customized, cost-conscious, and useful designs.

Purtle Energy Services

We help you spend less on energy and maintenance through turnkey upgrade projects.

Contact Us



9441 Stevens Rd. Suite 200

Shreveport, LA 71106

Office: 318-425-4500

Fax: 318-222-6564


1575 Redbud Blvd., Suite 213

McKinney, TX 75069

Phone: 469-914-7444

Louisiana Firm #F-2354  |  Texas Firm #F-10120

© 2019 Purtle & Associates, L.C. | ALL RIGHTS RESERVED