Johnstone Supply

Johnstone Supply operates as a heating equipment supplier in San Antonio, Texas, serving contractors and trades professionals rather than residential homeowners. The business holds a 4.4-star rating compiled from 53 customer reviews, reflecting consistent service across the counter. Located at the store162 branch, Johnstone Supply maintains standard commercial hours from 7:30 AM to 4:30 PM Monday through Friday, with weekend availability closed. The supplier maintains a physical presence on Cogburn Avenue and operates additional branches in Alamo Downs and along Broadway, allowing technicians across the San Antonio metro area to access inventory. As a trade-only distributor, the business requires professional contractor accounts for purchases, a model that keeps focus serving those installing and repairing HVAC systems for end customers.

The supplier distinguishes itself through an extensive catalog spanning multiple HVAC equipment categories visible on their website. Product lines include single packaged units, split systems, mini-split systems with variable capacity technology, air handlers, evaporator coils, and both gas and oil furnaces. The commercial division offers multi-zone systems suitable for larger installations, while residential unitary equipment covers standard heating and cooling applications. Extended warranties are available as an add-on for purchased equipment. Field-installed accessories and manufactured housing products round out the catalog, giving contractors in San Antonio access to components for diverse project needs without traveling outside the local market.

Customer reviews name specific team members who have resolved contractor needs, particularly during time-sensitive situations. Reviewers highlight Margie at the front desk for accommodating assistance, and multiple technicians mention staff at the Alamo Downs branch including Mr. Dallas and Mrs. Shannan who helped locate hard-to-find parts. One reviewer notes a delivery situation where a forgotten part caused delay, but the team followed up to resolve the issue. Another technician reviewer describes Johnstone Supply as their go-to supplier, having relied on the same distributor network when relocating from New Jersey. The supplier stocks specialty components like TiTan capacitors, though one contractor noted inventory rotation as a consideration when selecting capacitors for same-day installations.