Mechanical Contracting.

Every aspect for commercial and industrial facilities, new construction and retrofits.

We design, estimate, install, maintain and repair.

Contracting Partners & Building Insiders.

Andgar handles every aspect of mechanical contracting for commercial and industrial facilities for both new construction and retrofits, including: design, estimates, installation, maintenance and repair.
With thousands of successful design/build jobs under our toolbelts, architects, general contractors and engineers throughout Puget Sound program our phone number on their speed dial when they have unique challenges, which require a collaborative and supportive relationship.
We take pride in setting the standard for safety because we understand our partners’ need to minimize risks on the job. From top to bottom, our company culture values high standards of conduct—both on and off the job—which is why we don’t overpromise what we can’t deliver and why we don’t compromise on the character of our skilled tradesman.
AGC Safety Team Logo

Core Markets

Mixed Use
Medical Offices
Aerospace Manufacturing
Retail Stores
Petrochemical Refineries
Industrial Manufacturing
Data Centers
Rooftop unit almost square



Barkley Cornerstone Apartments
iTEK Energy
Hexcel Aerospace Manufacturing
Puget Sound Energy Service Center
Natural Factors (U.S.)
Viking Circle Apartments
Janicki Industries
Seattle Build
Andgar Commercial HVAC

Commercial HVAC

Project Design-Build-Install Services

Over the decades, we’ve worked with architects, developers, and general contractors to design and build a multitude of HVAC systems for all types of projects small to large in the Puget Sound region. As part of an integrated design/build team for mechanical HVAC & Plumbing, we strive to bring quality coupled with value to each project, while maintaining award-winning safety standards on all projects.

No two projects are exactly alike, which is why we have the capabilities to design and build a wide range of HVAC systems for industrial, commercial and manufacturing applications. Our regionally based Service Department provides comprehensive preventative maintenance and 24/7 services for repair for all our projects post construction.

Having a full-service sheet metal fabrication shop, we are not impacted as a result of outsourcing for our fabricated metal services. Our skilled shop craftsmen pride themselves on the one-off metal fabrication that other fabrication shops would not spend time on.

  • Kitchen Hood & Makeup Air Systems
  • Dust Control/Extraction Systems
  • Exhaust Systems
  • Building Automation Systems
  • Refrigeration Systems
  • Variable & Constant Air Volume Systems
  • VRF Heat Pump Systems—Daikin, Mitsubishi, Trane

If you’d like to talk to one of our commercial HVAC estimator/project managers about your next project, call us at 360-366-9900 or use our contact form.