Johnstone Supply
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About Johnstone Supply
Johnstone Supply operates as a heating equipment supplier in San Jose, California. The business holds a 3.7-star rating accumulated from 9 customer reviews. Their facility welcomes licensed HVAC and refrigeration contractors, operating Monday through Friday from 7 AM to 4:30 PM, with Saturday hours from 8 AM to noon. This supplier maintains a contractor-only distribution model, meaning they serve professionals in the trade rather than retail customers.
What distinguishes Johnstone Supply from general tool retailers is their focus on professional-grade HVAC and refrigeration equipment. The business carries products specifically suited for licensed contractors, including vacuum pumps, manifold gauges, and specialty tools required for EPA certification work. This targeted inventory reflects their commitment to serving the trade professional community.
Customer feedback highlights mixed experiences. Positive reviewers describe the staff as helpful and knowledgeable, with one customer noting the shop as nice for HVAC and refrigeration needs. Negative feedback references management interactions, with two reviewers describing certain staff members as not friendly or accommodating. The same-day and emergency service capabilities frequently appear across satisfied customer mentions.
What Customers Say
Four of seven reviewers awarded 5 stars, praising the shop's HVAC and refrigeration focus and staff helpfulness. The three 1-star reviews cite unfriendly manager interactions and the business's contractor-only policy. Positive reviewers specifically mention good service, while critical feedback targets staff demeanor rather than product quality.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–4:30 PM |
| TuesdayToday | 7 AM–4:30 PM |
| Wednesday | 7 AM–4:30 PM |
| Thursday | 7 AM–4:30 PM |
| Friday | 7 AM–4:30 PM |
| Saturday | 8 AM–12 PM |
Services
HVAC Equipment Supply
Professional-grade heating and cooling equipment for licensed contractors.
Refrigeration Tools
Specialty tools and gauges for refrigeration system installation and repair.
Vacuum Pumps
High-performance vacuum pumps suitable for HVAC system evacuation.
Manifold Gauge Sets
Professional manifold gauges for charging and diagnostics.
EPA-Certified Supplies
Products meeting EPA universal certification requirements for technicians.
Automotive HVAC Tools
Equipment specifically designed for automotive refrigeration systems.
Contractor-Only Distribution
Sales exclusively to licensed HVAC and refrigeration professionals.