Mechanical Contractor Service - Chicago, IL

Great Lakes has a dedicated service division in place to handle all your service and maintenance related concerns. Let us perform a complete evaluation of your facility and recommend a customized plan based on your individual needs.

Benefits of a preventive maintenance plan:

Minimize unexpected service calls
Extend equipment life
Avoid down time
Increase productivity

We offer 24 hour emergency service for repairs on:  


Backflow Testing and Certification
Sewer Rodding & Drain Cleaning
Water Heaters
Toilets and Urinals
Water & Drain Line Repair
Booster Pump Replacement


Air Conditioning
Medical Gas

Fire Protection

Inspection, Testing, and Maintenance of Sprinkler Systems
Dry Sprinkler Systems
Preaction Sprinkler Systems
Fire Pump Testing
5 Year Obstruction Testing

Call (773) 489-8154 for Plumbing Call (773) 447-1558 for Mechanical Call (773) 489-8154 for Fire Protection
Preventive Maintenance Mechanical Contractors - Chicago, IL HVAC Heating Maintenance - Chicago, IL Inspection, Testing, and Maintenance of Sprinkler Systems

Our team is just a phone call away