Hartwig Mechanical

06/16/2026

Hartwig Mechanical’s very own.
Congratulations Greg

What does success look like for Greg Harle? Watching the apprentices he trained and mentored become skilled journeymen working right alongside him at Hartwig Mechanical. 🛠️

"The people who succeed are not always the most talented — they're the ones willing to keep showing up and putting in the work."

Join us as we celebrate Greg and 39 other incredible leaders at the 40 Over 40 Honoree Reception on June 25! Register here -https://business.rockfordchamber.com/event-calendar/Details/2026-40-over-40-honoree-reception-1563584?sourceTypeId=Website

06/15/2026

See how industrial pipe lining keeps manufacturing facilities running with phased installation, ASME standards, and minimal production downtime.
https://hartwigmechanical.com/pipe-lining-for-manufacturing-facilities/

06/13/2026

🏢⚙️ Is your building working as hard as it could be?
Hartwig Mechanical's Building Controls Division helps facilities operate smarter, more efficiently, and more comfortably through advanced HVAC controls and building automation solutions.
Whether you're managing a school, healthcare facility, office building, manufacturing plant, hotel, or municipal building, our team can help you:
✅ Reduce energy costs
✅ Improve occupant comfort
✅ Increase equipment reliability
✅ Extend equipment life
✅ Gain greater operational control
✅ Future-proof your facility
From system integration and automation upgrades to complete controls solutions, we provide the expertise, installation, programming, commissioning, and ongoing support needed to optimize your building's performance.
Ready to see what smarter building automation can do for your facility? Contact our Controls Team today!
📧 [email protected]
📞 815-943-4430
🌐 hartwigmechanical.com

06/12/2026

Discover how building automation systems improve manufacturing efficiency, cut downtime, and reduce energy waste across plant operations.
https://hartwigmechanical.com/building-automation-manufacturing-efficiency/

06/06/2026

🔧 Building Smarter Starts Before We Ever Arrive on Site.

At Hartwig Mechanical, our Prefabrication Plumbing Team is helping customers save both time and money by moving critical plumbing assembly work from the jobsite to our controlled fabrication environment.

By prefabricating plumbing racks, assemblies, and piping systems before installation, we can:

✅ Reduce on-site labor hours
✅ Improve installation quality and consistency
✅ Minimize material waste
✅ Enhance jobsite safety
✅ Accelerate project schedules
✅ Deliver more predictable project costs

Every hour saved in the field helps keep projects on schedule and reduces disruptions for owners, contractors, and facility managers. Our prefabrication process allows our skilled craftsmen to build with precision, ensuring components arrive ready for efficient installation.

The result? Faster project delivery, improved quality, and greater value for our customers.

At Hartwig Mechanical, we're always looking for innovative ways to improve efficiency and provide dependable solutions that count.

06/05/2026

🚐 Dependable Solutions. Coverage That Counts.

When your facility needs fast, reliable mechanical service, Hartwig Mechanical is ready to respond.

From our offices in Harvard, Rockford, and Mokena, our team provides expert service throughout Northern Illinois, the Chicagoland region, and Southern Wisconsin with 24/7 emergency support.

Our services include:
✅ HVAC Service & Maintenance
✅ Plumbing Services
✅ Mechanical Construction
✅ Building Automation & Controls
✅ Energy Efficiency Upgrades
✅ Emergency Response & Critical Facility Support

Whether it's preventative maintenance, emergency repairs, tenant improvements, or system modernization, we're committed to keeping your operations running efficiently.

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

05/28/2026

🚨 NOW HIRING – JOURNEYMEN HVAC SERVICE TECHNICIANS 🚨

Hartwig Mechanical is expanding and looking for experienced Journeymen HVAC Service Technicians to join our growing team!

📍 Opportunities Available At:
🔹 South Office – Mokena
🔹 North Office – Harvard

Why Join Hartwig Mechanical?
✅ Union wages & benefits
✅ Growth opportunities
✅ Strong team environment
✅ Steady work with a respected company

If you take pride in your work, value teamwork, and want to build a long-term career with a company that invests in its people — we want to hear from you.

📞 815-978-3770
📧 [email protected]

Join a team that keeps things running.

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

05/27/2026

🚨 WE’RE HIRING – JOURNEYMEN HVAC SERVICE TECHNICIANS 🚨

Hartwig Mechanical is growing and we’re looking for experienced Journeymen HVAC Service Technicians to join our team!

📍 Opportunities Available At:
• South Office – Mokena
• North Office – Harvard

🔧 What We Offer:
✅ Union wages & benefits
✅ Growth opportunities
✅ Strong team environment
✅ Steady work with a respected company

If you’re a motivated technician looking to build your career with a company that values its people and invests in their future, we want to hear from you.

📞 815-978-3770
📧 [email protected]

Join a team that keeps things running.

05/25/2026

05/20/2026

🚨 NOW HIRING – EXPERIENCED SERVICE PLUMBERS 🚨

Hartwig Mechanical is growing and looking for experienced Service Plumbers to join our team in Harvard, Mokena, and Rockford serving the Chicago suburbs and surrounding areas.

🔧 Competitive Plumbers Local 130 wages & benefits
🔧 Strong team environment with year-round work
🔧 Opportunities for growth and advancement

Not currently a Local 130 member? No problem — Hartwig Mechanical will work with qualified candidates to coordinate the process of becoming part of Plumbers Local 130.

If you take pride in doing the job right and want to work with a company that values its people, we want to hear from you.

📍 Locations: Harvard • Mokena • Rockford
📧 [email protected]
📞 815-943-4430
www.hartwigmechanical.com

Apply today or share with someone who’d be a great fit!