Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in Monroeville, Pennsylvania, holding a 3.3-star rating compiled from 12 customer reviews. The location functions as a contractor-only distribution center, serving licensed HVAC professionals rather than residential homeowners. Business hours run Monday through Friday from 7:30 AM to 4 PM, with Saturday and Sunday closed. The Monroeville branch at store553 serves the greater Allegheny County area and surrounding western Pennsylvania communities.

The supplier maintains an extensive inventory of residential and commercial HVAC equipment drawn from multiple manufacturer partnerships. Product lines include split systems, single packaged units, mini-split systems, variable capacity systems, and multi-zone configurations. They stock air handlers, evaporator coils, furnaces, and field-installed accessories across gas, oil, and manufactured housing categories. The commercial division offers single packaged and split system units alongside extended warranty programs.

Customer experiences at this location reveal a mixed service record. Reviewers citing positive interactions describe receiving assistance with locating specific parts and describe staff as friendly and helpful. Negative feedback centers on the contractor-exclusive policy, with some reviewers noting frustration at being unable to make purchases without existing trade accounts with other suppliers. One reviewer noted they would prefer direct contact with local branches rather than navigating an answering service. The supplier appears best suited for established HVAC contractors seeking bulk equipment and parts procurement.