Mesa Energy Systems, a wholly owned subsidiary of EMCOR Group, Inc, has a reputation for combining high-quality Mechanical, HVAC & BAS services with cost-effective energy solutions.

The EMCOR Advantage. Build. Power. Service. Protect.

Contractors to Watch

EMCOR Services MESA Named by Contracting Business as an HVAC Contractor to Watch As Innovative, 'Energetic', Pragmatic, Safe.

About Us

For over 25 years, Mesa Energy Systems has provided its clients with high quality mechanical, commercial HVAC, and building automation consulting and services that address today's most compelling energy related issues.Take a moment to learn about us.

Turbocor Provider

Mesa Energy Systems are the leading Turbocor service provider in the Northern, Central and Southern California region. Learn about our capabilities.

Meet the Team

Robert Lake, President of Mesa Energy Systems Robert Lake, President of Mesa Energy Systems, is just one of the many people that allow our clients to better manage tomorrow's buildings today.

Click here to meet the rest of the team.

Our License Numbers:

License # 611215
Classifications: B, C-4, C-10, C-20, C-36, C-38 & C-46


Infrastructure Capabilities: Water, Energy, Transportation, Technology, Healthcare, Education & Government Infrastructures

View our infrastructure capabilities.


License # 244611 for L-39 classification
License # 279512 for L-77 classification

License # 0073520 Classification C -21