Johnstone Supply
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About Johnstone Supply
Johnstone Supply operates as a heating equipment supplier in Tucson, Arizona, maintaining a 3.8-star rating across 22 customer reviews. The store welcomes visitors Monday through Friday from 7 AM to 5 PM and Saturdays from 8 AM until noon, remaining closed on Sundays. Located in the Tucson metropolitan area, this establishment specializes exclusively in serving licensed HVAC contractors and trade professionals rather than retail homeowners. The physical storefront at their Tucson location provides in-person pickup for equipment, parts, and installation accessories targeted specifically toward certified heating and cooling specialists.
This supplier distinguishes itself through an extensive inventory of commercial-grade HVAC equipment that most retail outlets cannot match. Their catalog features single packaged units, split systems, mini-split configurations, variable capacity systems, and multi-zone setups alongside furnace lines and evaporator coils. The business operates as a trade-focused distributor, requiring prospective buyers to establish an authorized account before purchasing, this policy ensures that professional-grade components reach qualified contractors who can properly install and service the equipment. Their Saturday morning window accommodates contractors who need weekday pickups for weekend installation projects.
Among the positive reviewer experiences, Raymundo Miranda specifically recognized staff members Jose and Victor as exceptional support during equipment transactions, highlighting the personalized assistance available to established contractor accounts. Richard Tufariello, referred by his supervisor, described the staff as knowledgeable and the pricing as competitive within the professional HVAC supply market. However, multiple critical reviews from Andrew Glogner and Jay N. indicate that customers unfamiliar with the trade-only policy have encountered friction, with one reviewer noting hold times exceeding ten minutes and being turned away upon requesting retail-level purchases.
What Customers Say
Eight reviews break down as five five-star ratings, one three-star critique about membership requirements, and two one-star complaints about denied retail access. Positive feedback consistently mentions helpful staff members like Jose and Victor, while negative commentary stems primarily from non-contractor customers expecting retail service.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| Thursday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | 8 AM–12 PM |
Services
Commercial HVAC Equipment Sales
Single packaged units, split systems, and multi-zone systems for professional contractors.
Residential Unitary Systems
Complete split systems, mini-splits, and variable capacity units for residential installations.
Furnace Inventory
Gas furnaces and oil furnaces stocked for immediate contractor pickup.
Air Handlers & Evaporator Coils
Field-installed air handlers and coils compatible with major system brands.
Installation Accessories
Parts, connectors, and field-installed accessories needed for complete HVAC installs.
In-Store Will-Call
Contractors can browse inventory and pick up ordered items during business hours.
Account Management
Authorized buyer accounts required for all purchasing, managed through their online portal.