Certified welder working on industrial piping

Harper Mechanical Inc.

Colorado's Trusted Mechanical Contractor

Building Solutions.
Delivering Results.

Commercial and industrial mechanical contracting done right — since 1983. Family-owned, bonded, fully insured, and staffed with certified welders serving Colorado's Front Range.

(970) 539-5535
  • 40+ Years Experience
  • Family Owned & Operated
  • Bonded & Fully Insured
  • Certified Welders
  • Safety Focused

What We Do

Full-scope mechanical contracting under one roof.

From design-assist through commissioning and service, our craftsmen deliver on every scope we bid.

Mechanical Contracting

Mechanical Contracting

Full-scope commercial HVAC and mechanical systems, engineered and installed by our in-house team.

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Process Piping

Process Piping

High-purity, high-pressure, and complex process piping for industrial and manufacturing facilities.

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Fabrication

Fabrication

Custom in-shop and field fabrication delivered to spec — carbon, stainless, and alloy steel.

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Certified Welding

Certified Welding

AWS-certified welders with TIG, MIG, and stick capability across all pressure classes.

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Boilers & Hydronics

Boilers & Hydronics

Boiler installation, retrofit, and hydronic loop design for schools, campuses, and industry.

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Service & Maintenance

Service & Maintenance

Preventative maintenance and responsive service to keep your plant running.

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Ready to build? Let's get to work.

Request a quote and we'll route you to the right project manager within one business day.

  • Free, no-obligation quotes
  • Response within 1 business day
  • Design-assist available on complex scopes