Mechanical Contracting
Full-scope commercial HVAC and mechanical systems, engineered and installed by our in-house team.
Learn more
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.
Process Piping
High-purity, high-pressure, and complex process piping for industrial and manufacturing facilities.
Learn more
Fabrication
Custom in-shop and field fabrication delivered to spec — carbon, stainless, and alloy steel.
Learn more
Certified Welding
AWS-certified welders with TIG, MIG, and stick capability across all pressure classes.
Learn more
Boilers & Hydronics
Boiler installation, retrofit, and hydronic loop design for schools, campuses, and industry.
Learn more
Service & Maintenance
Preventative maintenance and responsive service to keep your plant running.
Learn moreFeatured work
Higher Education
UNC Gunter Hall
Mechanical retrofit and hydronic upgrades at the University of Northern Colorado.
View Project
Government
Weld County Corrections
Boiler plant and process piping install for a high-security correctional facility.
View ProjectReady 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