Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in Easton, Pennsylvania, serving contractors and trades professionals with an extensive inventory of HVAC components. The location holds a 4.4-star rating derived from 12 customer reviews. With weekday hours from 7 AM to 4:30 PM, the shop provides access to heating systems, cooling units, and installation accessories for professional installation crews. The Easton branch has served the Lehigh Valley region since 2011 according to customer feedback, supplying equipment ranging from single-packaged units to multi-zone mini-split configurations.

The distributor differentiates itself through deep inventory spanning residential, commercial, and manufactured housing applications. Website listings show access to variable capacity systems, extended warranties, and specialty equipment not typically carried by big-box retailers. The team maintains brand partnerships across major manufacturers including Lennox, Mitsubishi, and Carrier through their parent network. Counter staff assist contractors in locating obscure components, often sourcing items from distribution centers when they are not immediately in stock.

Customer reviews consistently highlight Katelyn Mackenzie for her product knowledge and follow-through, with multiple contractors noting she secures hard-to-find parts and ensures orders arrive correctly. Reviewers describe staff members including Mike as highly knowledgeable across heating and cooling applications. One contractor recounts the team's willingness to support not only their own jobs but also to assist with customer-facing issues on warranty claims. The counter team has earned loyalty from installers who return repeatedly for difficult-to-source components and technical guidance.