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(815) 494-9090


Geostar Mechanical is your one stop for all of your Mechanical needs!

Commercial and Industrial Plumbing, Heating, Cooling, Refrigeration and Backflow Preventer Services

  • 24 Hour Emergency Service Department
  • Commercial and Industrial Chiller service and repair
  • Commercial and Industrial Boiler service and repair
  • Domestic Water, Fire Protection and Irrigation Backflow Device Installation and Inspection
  • Industrial Process Piping
  • Sanitary Food Grade Piping
  • Waste water treatment piping and installation
  • Industrial and Commercial Boiler Installation and Repair
  • Industrial and Commercial water heater installation and replacement
  • Industrial Plant and equipment relocation and piping
  • Rock River Water Reclamation District Clear Water Test Inspection
  • Trane factory HVAC and Control Systems Certified
  • And so much more to meet all of your Mechanical needs. Call us today