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

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

Asante Rogue Regional Medical Center
Medford, Oregon Learn More

Panasonic Electric Vehicle Battery Facility
De Soto, Kansas Learn More

Climate Pledge Arena
Seattle, Washington Learn More

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

 

"You have a group of first class, professional people working for you.  I know we have a quality system in our facility, and we picked the right contractor to do the work."

- Joe Tessier

"The Hermanson team has done a fantastic job supporting the construction process, maintaining challenging schedules and achieving project goals. HST office and field teams really appreciate Hermanson’s communication and follow up, and proactive approach to finding solutions."

- Dave Trulson, Principal

"I talked to the facility manager this morning; he had nothing but compliments for your crew.  He said they were professional, kept him updated, and there were no surprises.  He also said they can work here any time!  Thank you very much!"

- Suzanne Arnal

"Again we were able to rely on your company to meet our needs and those of our customers. Once again, the work was performed in a timely and professional manner. And I hope we have an opportunity to work together again."

- Pat O'Neill

"I would like to thank you for a job well done.  Your expertise and hard work were key in achieving such an outstanding final product."

- Mickey Hansen