Our Project Portfolio

Shinn Mechanical, Inc. is equipped to handle mechanical construction projects of all sizes and complexities. Whether it is industrial piping, building hydronics, steam systems, natural gas piping, plumbing systems, refrigeration, HVAC, or anything mechanical-related, Shinn can offer the expertise and resources to get the job done. With our diverse workforce, comprised of multiple trades, Shinn Mechanical is able to self-perform the complete mechanical scope for nearly any project.

Throughout our history, Shinn Mechanical has completed work for clients in a broad array of industries, both public and private.

The portfolio below highlights some specific projects that we have completed.


Bow Lake Recycling and Transfer Station: $4.8M

  Shinn Mechanical was the prime mechanical contractor on this project, which involved the construction of a new transfer station for King County at the existing Bow Lake site. Shinn provided the heating water, condenser water, compressed air, methane vent, and fuel piping systems. The project also included a tire wash system, dust/odor control misting…


Harborview Medical Center – Inpatient Expansion Building: $6.9M

Installation of high pressure steam piping,, (4) 500 ton chillers, (4) cooling towers and associated pumps and large bore piping. Complete installation of steam to hot water converters, heating hot water pumps, terminal unit piping and (6) 54,000 CFM air handling units.


Immunex Helix: $7.8M

Installation of owner-furnished boilers, chillers, cooling towers and pumps in the Central Utility Plant, that serves the entire Immunex Helix Campus. Installation included all interconnecting piping from ½” copper tubing to 42″ steel pipe.


Port of Seattle Central Pre-Conditioned Air: $13.4M

This project incorporates a new Centralized Pre-Conditioned Air Plant with associated Hydronic Piping System installations, as well as new Passenger Loading Bridge Air Handling Unit and Component installations required to serve Aircraft heating and cooling needs while Aircraft is docked at individual gates. The new Centralized Pre-Conditioned Air Plant System will provide temperature controlled air…


POS Consolidated Car Rental Facility: $8.3M

Shinn Mechanical was the prime mechanical contractor for the construction of a new 1,860,000 square foot facility for the rental car agencies at SeaTac International Airport. Self-performed work included the complete heating water, chilled water, refrigeration, and natural gas systems. Shinn supplied and installed all major mechanical equipment including boilers, chiller, air handlers, pumps, terminal…


Seatac Central Terminal Expansion: $7.8M

Airfield Piping: Plumbing and HVAC piping demolition and new tenant upgrades. Existing remodel and new construction. Sanitary & storm plumbing, chilled, hot and domestic water systems, steam, condensate and gas piping.