Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in Macomb, Michigan, earning a 4.5-star rating across 13 customer reviews. The location serves contractors and DIYers seeking HVAC parts and equipment, with a retail counter open Monday through Thursday from 7:30 AM to 4:30 PM. The Macomb branch carries an extensive catalog spanning residential and commercial heating systems, including split systems, packaged units, furnaces, evaporator coils, and air handlers.

As a distributor serving the professional trades, Johnstone Supply differentiates itself through contractor-focused resources. The store offers account access for professionals, enabling volume pricing and specialized ordering through their digital catalog system. Their inventory includes field-installed accessories, extended warranty options, and multi-zone mini-split configurations. The Macomb location functions as a one-stop destination for technicians sourcing equipment for installations, repairs, and system upgrades.

Reviewers consistently highlight the front desk experience at this Macomb location. One customer described being greeted immediately upon arrival for a replacement part, praising the staff as irreplaceable. Another reviewer specifically named Jeff at the front desk, noting he can locate items that other employees cannot find in the catalog. Multiple customers referenced sweet deals and fair pricing, with one describing the service as always on point and nice.