Hartwig Mechanical

Hartwig Mechanical Hartwig Mechanical is a commercial contracting firm specializing in plumbing, heating, air cond Hartwig Mechanical, Inc.

is consistently recognized as one of the top commercial plumbing, engineering, mechanical, facility maintenance, and HVAC contractors in Illinois and Wisconsin

🏢 CONTROL. OPTIMIZE. PERFORM.Your building’s HVAC system is one of your facility’s biggest investments—and one of its la...
08/30/2026

🏢 CONTROL. OPTIMIZE. PERFORM.
Your building’s HVAC system is one of your facility’s biggest investments—and one of its largest energy consumers. Hartwig Mechanical’s Building Controls Division can help you get more out of it.
Our building automation and controls solutions are designed to help facilities:
⚡ Reduce energy and utility costs through optimized scheduling, setpoints, and system automation
🌡️ Improve occupant comfort with more consistent temperatures and environmental conditions
⚙️ Increase equipment reliability and improve overall system performance
🔧 Reduce maintenance issues by identifying problems before they become larger failures
📈 Extend equipment life through smarter operation and reduced unnecessary runtime
🏢 Gain greater operational control and visibility into your facility
🔗 Integrate new and existing systems into a more unified building automation strategy
Hartwig provides custom-engineered solutions, programming, installation, commissioning, optimization, training, and ongoing technical support.
As a Honeywell System Partner, we also have experience servicing and supporting a wide range of building control systems and platforms.
Whether you operate a healthcare facility, school, commercial building, hotel, manufacturing facility, municipal building, senior living community, or multi-family property, we can evaluate your existing system and identify opportunities to make your building operate smarter and more efficiently.
📩 [email protected]
📞 815-943-4430
🌐 hartwigmechanical.com
Hartwig Mechanical Building Controls
Reliable Control Systems. Smarter Buildings. Better Performance.

🔧 When your facility needs it done right, call Hartwig Mechanical.For nearly 70 years, Hartwig Mechanical has been helpi...
08/23/2026

🔧 When your facility needs it done right, call Hartwig Mechanical.

For nearly 70 years, Hartwig Mechanical has been helping customers keep their facilities operating safely, efficiently, and reliably.

From routine maintenance to emergency service and complex mechanical projects, our team has the experience and manpower to get the job done.

✅ HVAC Service & Preventive Maintenance
✅ Plumbing Services
✅ Building Automation & Controls
✅ Mechanical & Process Piping
✅ Refrigeration
✅ Pipe Jetting & Trenchless Relining
✅ Welding & Fabrication
✅ 24/7 Emergency Service

With locations in Harvard, Rockford, and Mokena, we're positioned to serve customers throughout Northern Illinois, Chicagoland, and Southern Wisconsin.

Whether it's one service call or a long-term facility partnership, our goal is simple: be the mechanical contractor you can count on.

📞 815-943-4430
🌐 www.hartwigmechanical.com

Hartwig Mechanical — Experience. Capability. Service.

🎉 Congratulations, Colin Kochera! 🎉We’re proud to announce that Colin received a 2026 NIBCA Internship Award for his out...
08/14/2026

🎉 Congratulations, Colin Kochera! 🎉

We’re proud to announce that Colin received a 2026 NIBCA Internship Award for his outstanding work during his mechanical engineering internship at Hartwig Mechanical.

A Purdue University student, Colin supported our engineering and field teams through 3D modeling, project layout, coordination, and closeout documentation. He also contributed valuable ideas that improved our processes and efficiency. His positive attitude, professionalism, and commitment to Hartwig’s core values made a lasting impact on our team.

Colin is pictured accepting the award from Hartwig Mechanical COO Leo Bourneuf.

Congratulations, Colin! We appreciate everything you contributed this summer and look forward to seeing what you accomplish next!

Serving Illinois & Southern Wisconsin with Trusted Plumbing & Mechanical SolutionsWhether it's an emergency service call...
07/31/2026

Serving Illinois & Southern Wisconsin with Trusted Plumbing & Mechanical Solutions
Whether it's an emergency service call, preventive maintenance, renovations, or a complex mechanical project, Hartwig Mechanical has the experience, skilled technicians, and resources to keep your facility operating at its best.
From commercial plumbing and HVAC service to boilers, chillers, piping, controls, and complete mechanical systems, we're committed to delivering reliable solutions with safety, quality, and customer service at the forefront of everything we do.
With three strategically located offices, we're ready to respond quickly throughout Northern Illinois, the Chicagoland region, and Southern Wisconsin:
📍 Harvard (North)
📍 Rockford (West)
📍 Mokena (South)
No matter where you're located, you can count on Hartwig Mechanical for dependable service backed by nearly 70 years of experience.
📞 24/7 Service: 815-943-4430
🌐 www.hartwigmechanical.com⁠

🔥 Fire & Smoke Damper Inspections Save Lives — Is Your Building Compliant? 🔥Fire and smoke dampers are one of the most i...
07/28/2026

🔥 Fire & Smoke Damper Inspections Save Lives — Is Your Building Compliant? 🔥

Fire and smoke dampers are one of the most important life safety components in any commercial building, yet they're often overlooked until an inspection or emergency reveals a problem.

At Hartwig Mechanical, we provide professional Fire & Smoke Damper Inspections in accordance with NFPA 80 and NFPA 105 to help building owners and facility managers maintain compliance and protect occupants.

Our inspection program includes:
✅ Comprehensive inspection of each damper
✅ Operational testing and verification
✅ Detailed photographs documenting each inspection
✅ Identification of deficiencies and recommended repairs
✅ A complete inspection report with supporting photos to help demonstrate your facility's compliance with applicable codes and standards

Whether you manage a healthcare facility, school, office building, manufacturing plant, warehouse, multi-family property, or government facility, our experienced team can help ensure your fire and smoke dampers are functioning as intended.

Don't wait until an AHJ inspection uncovers deficiencies—be proactive about protecting your building and the people inside.

📞 815-943-4430
🌐 www.hartwigmechanical.com

Hartwig Mechanical — Keeping Buildings Safe. Keeping Facilities Compliant.

Address

20800 East Brink Street
Harvard, IL
60033

Opening Hours

Monday 7am - 4pm
Tuesday 7am - 4pm
Wednesday 7am - 4pm
Thursday 7am - 4pm
Friday 7am - 2:30pm

Telephone

+18159434430

Website

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