Making Buildings Work Better
Full-service mechanical contracting for HVAC, plumbing, and industrial systems, trusted across the Midwest since 1939.
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Our Mechanical Services
Comprehensive Building Solutions
HVAC Systems & Maintenanc
Design-build HVAC installation and preventive maintenance programs that reduce downtime and extend system life.

Engineering & Design-Build
In-house engineers provide turnkey mechanical and control system solutions tailored to every facility.

Sheet Metal Fabrication
Custom ductwork and metal components built in-house for precision and efficiency.
Millwright Services
Rigging, installation, and alignment of industrial machinery and equipment.
Docks & Doors
Installation and maintenance for loading docks, high-speed doors, and safety equipment.

Plumbing & Piping
Complete system design, installation, and repairs for industrial and commercial applications.

Client Partnerships
Trusted by Leading Midwest Brands
“Yale and their team of millwrights have been great partners to us over the years!”
Paul Steinlage, General Mills
Avoid costly breakdowns and downtime. Partner with Yale Mechanical for reliable, 24/7 mechanical service built on 85+ years of expertise.
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