Smarter system management for more efficiency and control
Enhance HVAC Management with Building Automation Controls
Take Control of Your Commercial HVAC System
Managing your building’s HVAC system shouldn’t be complicated. With GHC’s Building Automation Controls division, you can integrate advanced automated controls that simplify and optimize the management of your HVAC systems.
Our solutions are designed to enhance efficiency, provide detailed trends and reporting, improve emergency response, and give you greater user control — all from a single, easy-to-use interface. Our smart building technology is installed and maintained by our expert technicians.
If you’re ready to take control of your building’s HVAC system, BAS controls, or DDC system, GHC is the company you can trust to get it done right.
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Benefits of Building Automation Controls from GHC
GHC provides building automation controls to Chicagoland commercial and industrial facility and property managers of buildings at least 10k square feet.
Why Jensen’s
Join the thousands of satisfied customers who trust Jensen’s for reliable service.
Deep Service Expertise
- All of our union-trained technicians undergo continuous education, staying up-to-date on advanced systems like chillers, hydronics, and VRF technology.
- Every technician follows a thorough 10-point process and uses the latest digital diagnostic tools, allowing us to quickly collect data and solve issues faster.
- We successfully completed over 10,000 service calls last year.
- Our core team of union-trained journeymen and service techs has an average tenure of 7.1 years with us.

“They offer 24/7 emergency coverage when machines break down. Support staff are understandable, friendly, and polite.”
7 years
All journeymen have at least 7 years of experience
10,000 service calls
More than 10k successful service calls in 2023
14-point process
Every tech follows our 14- point process