Johnstone Supply Corporate Headquarters

Johnstone Supply operates as a wholesale HVAC equipment distribution center serving contractors from its Portland, Oregon headquarters. With a rating of 3.8 stars from 17 customer reviews, the company has maintained its presence in the Pacific Northwest market, providing essential parts and systems to professional installers. The facility serves the broader metro area including Beaverton, Gresham, and surrounding communities, functioning as a critical supply link for installation professionals who require reliable equipment sourcing for residential and commercial projects.

What distinguishes Johnstone Supply from typical supply houses is its extensive brand portfolio combining leading manufacturers with specialized product lines. The warehouse stocks complete system categories ranging from Lennox gas furnaces and Mitsubishi mini-split systems to manufactured housing units and evaporative cooling solutions. Contractors benefit from single packaged units, split systems, and variable capacity systems alongside extended warranty programs that protect both the installer and end consumer. The commercial division handles larger packaged units while residential offerings include air handlers, evaporator coils, and field-installed accessories designed for precise installation requirements.

Customer experiences reveal significant variation between locations and personnel. Scott Bjerke of Sioux Falls recounts successful part sourcing for obsolete equipment other suppliers could not locate, highlighting the company's strength in hard-to-find components. However,Evangeline Clay notes quick delivery service in Portland, while Spencer Sanders describes a concerning interaction involving a staff member named Joe at another branch, citing insulting conduct during a $6000 transaction. Diana Lopez reports recurring issues with incorrect item fulfillment, suggesting operational inconsistencies that merit direct inquiry before establishing accounts.