Mechanical Services in Southeastern Minnesota & Western Wisconsin
Built to Last
At O’Laughlin Trucking & Excavating, Mechanical, we deliver high-performance systems that keep your facility running reliably. Based in Winona, MN, our certified technicians specialize in mechanical contracting for residential, commercial, and industrial projects.
Call 507-452-6340 today to speak with a certified pro and get a free quote on your mechanical project.
Precision Installation of Piping and Mechanical Systems
From chilled water loops to high-pressure steam lines, we design and install systems that meet your specs and exceed expectations.
Our specialties include:
• Steam piping (low- and high-pressure).
• Condensate return systems.
• Pumps and air separators.
• Chemical treatment and filtration systems.
• Pressure-rated mechanical piping.
Every project is completed to code with safety as a top priority.
Process Piping for Industrial Applications
We understand complex systems—and we deliver solutions built to perform under pressure. Our team handles installations for:
- Wastewater treatment piping
- Water treatment piping
- Chilled water systems
- Steam process lines
- Industrial piping for manufacturing or utility operations
We’ve earned the trust of facilities across Southeastern Minnesota and Western Wisconsin.
Reliable Mechanical Service and Repairs
When your system needs a fix, you don’t want delays. We service:
• Circulating pumps.
• Valves and pressure regulators.
• Condensate systems.
• Air eliminators and separators.
• Filtration and chemical feed systems.
Minimize downtime. Maximize performance.
Why Choose O’Laughlin for Heating & Mechanical Work?
We’re not new to this. With generations of experience and strong community ties, we’ve become the trusted name in Southeastern Minnesota and Western Wisconsin.
We work hard, pay attention to detail, and take pride in doing the job right.
Request Your Free Estimate Today
We’re ready to help with your mechanical system. Whether you're building new, upgrading, or maintaining existing equipment—O’Laughlin gets it done.
Call us now at 507-452-6340 or email us to get your free estimate started.