Mechanical Construction

Since 1979, Hermanson Company has been a regional leader in Mechanical Systems Construction – HVAC Sheet Metal, Pipe-Fitting & Plumbing – design, fabrication & installation for projects ranging from large, complex new & renovation construction to quick-hit retrofits and tenant improvements. Learn More

Design-Build Engineering

Hermanson’s experienced design engineers collaborate with skilled construction professionals to provide efficient, cost-effective, and high-quality mechanical & plumbing systems through an integrated, streamlined process. Learn More

Service & Maintenance

All mechanical equipment will require service at some time during its operating life. Hermanson Service provides quality maintenance, equipment retrofit and emergency services for building mechanical systems – 24/7, 365-days a year. Learn More

Lean Fabrication

Standardization of systems components, off-site prefabrication and simplicity of installation are key components of Lean Construction practices. Hermanson’s fabrication facilities – designed and operated to incorporate Lean practices – fabrications and assembles ductwork, piping and plumbing assemblies to drive Lean Construction. Learn More

Featured Projects

University of Washington Hans Rosling Center for Population Health
Seattle, Washington Learn More

Climate Pledge Arena
Seattle, Washington Learn More

Asante Rogue Regional Medical Center
Medford, Oregon Learn More

UO Knight Campus for Accelerating Scientific Impact
Eugene, OR Learn More

Panasonic Electric Vehicle Battery Facility
De Soto, Kansas Learn More

 

“Hermanson has provided exemplary service at Canal Centre for years. Their technicians are reliable, communicative, and trusted by our staff and doctors. I appreciate Hermanson’s honesty, attention to detail, and commitment to keeping our building running smoothly. They make me look good in front of my board, and I’m truly grateful for their outstanding service."

- Dyan Baxter, Facilities/Operations Manager

"We wish to extend our appreciation to Hermanson Company for participating with the Boeing - 767 Relocation project and your Company's contributions to its successes.  The list of challenges to the team was lengthy and with your assistance and perserverance, each was resolved safely, timely, and on budget."

- Ken Graves

"I am delighted to report to you that our team thought your company the 'Best Subcontractor' on the project.  Your personnel did a great job of supporting the successful completion of the project.  All of us here really appreciate working with such great people."

- Kim Bottles

"This was a tough project. Compared with other contractors, Hermanson Company was head and shoulders above the rest!"

- Dick Dunham

"The company you can always count on, always follows through, and always has a unique solution for the problems at hand. I enjoy working with Hermanson and look forward to many labs in our future. You have an exceptional team!"

- Melinda DeWalt