Johnstone Supply of South Portland

Johnstone Supply is a wholesale distributor in South Portland, Maine, serving professional HVAC, refrigeration, and property maintenance contractors. The company provides a broad range of equipment, parts, and supplies, including unitary and specialty systems, repair and replacement components, and installation and maintenance materials for residential, light commercial, refrigeration, and facilities maintenance applications. With a focus on availability and product selection, Johnstone Supply ensures contractors can access genuine OEM parts and replacements for nearly every major brand. The business operates from its location at 238 Riverside St, serving the local area and surrounding regions with in-stock inventory and reliable service. It holds a 4.40 rating based on customer feedback, reflecting consistent performance and customer satisfaction.

Johnstone Supply emphasizes making it easy for contractors to do business through a comprehensive product selection, extensive cross-referencing tools, and a robust digital platform. The company maintains a large network of wholesale locations across the U.S. and Canada, supported by a six-point distribution system that includes major centers in Portland, OR; Las Vegas, NV; Dallas, TX; Joliet, IL; Jacksonville, FL; and Lancaster, TX. This infrastructure enables rapid fulfillment and consistent product availability. Contractors can access an online catalog, order tools, and utilize a mobile app to place orders efficiently, whether for emergency repairs or routine inventory replenishment. The company also offers training through Johnstone University to support ongoing professional development.

Johnstone Supply is recognized for its strong presence in the HVACR industry, with a reputation for reliability, product breadth, and operational efficiency. Its local branch in South Portland provides direct access to inventory and support, enabling quick turnaround times for contractors in the region. The company’s commitment to serving professionals through accessible tools, extensive product lines, and dependable service reinforces its role as a key resource in Maine’s commercial and residential service sectors.