EXCELLENCE

FROM START TO FINISH




Trusted Commercial Contractor Since 1958

Experienced Commercial And Industrial Mechanical Contractor

General Contractors and organizations throughout Northern Illinois and Southern Wisconsin have chosen Hartwig Mechanical, Inc. as their contractor of choice for more than six decades. Selecting the most qualified commercial and industrial contracting firm is essential in keeping your project on-time and on-budget. From two locations in Northern Illinois, Hartwig Mechanical, Inc. is your single-source mechanical contractor for plumbing, process piping, HVAC, refrigeration, and controls.

Trusted Mechanical Service


Hartwig Mechanical, Inc. has earned an excellent reputation with over

66 years of delivering reliable, safe, and efficient mechanical solutions and service. Whether it’s on-site maintenance, upgrading mechanical equipment, regular inspections of mechanical systems, or 24/7 emergency service, our goal has always been to provide outstanding products and services with the utmost integrity. We are proud to measure our success in customer satisfaction that spans three generations.

To discuss upcoming projects or service needs, call our team at 815-943-4430 today.

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