Johnstone Supply

Johnstone Supply in Joliet, Illinois operates as a heating equipment supplier serving the greater Will County region with a 4.2-star average across 37 verified reviews. This contractor-focused distributor maintains inventory across residential unitary systems, commercial packaged units, and field-installed accessories. The location on Ridge Road provides pickup and delivery services for HVAC professionals serving the Joliet area and neighboring communities including New Lenox, Plainfield, and Shorewood.

What distinguishes Johnstone Supply from regional competitors is their specialized inventory depth. According to the website, they stock extended warranties and maintain hard-to-find components across manufactured housing, multi-zone systems, and variable capacity systems. Their commercial division handles single-packaged units and split systems typically unavailable at big-box retailers. The distributor carries specialty lines including evaporator coils, oil furnaces, and field-installed accessories that many local contractors specifically seek when standard parts prove unavailable.

Customer reviews highlight specific team members handling urgent situations. Tony earned recognition for arriving after hours during a pre-Christmas emergency to ensure a homeowner could pick up a replacement furnace inductor motor, preventing four days without heat during the holiday. Reviewer Nicholas Bobel noted the Joliet Distribution Center reliably supplies oddball components that competitors cannot source. Another customer praised Tony and Vito for locating specialized parts quickly, while multiple reviewers emphasized the team's willingness to assist with called-in orders and alternative solutions when specific inventory runs low.