Geostar Mechanical / Geostar Controls & Services

Geostar Mechanical is a commercial contractor serving Northern IL and Southern WI that specializes in all areas of the HVAC, Plumbing and Building Automation fields. Our knowledgeable team takes the time to understand each system to deliver professional service, design, and installation to every mechanical system, no matter the size.

Geostar was started and has always been based on the philosophy of providing exceptional service at a fair price; and as a Computrols partner we are committed to ensuring your buildings’ control systems are optimized for efficiency, performance, and overall building health.


Geostar Mechanical
27 Airport Dr
Rockford, IL 61109
(815) 494-9090


Hours of Operation

Weekdays – 7:30 AM to 4:00 PM
Emergency Service Available 24/7


Geostar Mechanical list of services:

  • Building Automation
  • Pneumatic Controls
  • HVAC
  • Plumbing
  • Boilers
  • Refrigeration
  • Backflow Preventer
  • Food Service Equipment


Jacob Blocker
Building Automation Technician
(815) 494-9090

Dave Baker
Building Automation Supervisor
(815) 494-9090