Johnstone Supply

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About Johnstone Supply
Johnstone Supply operates as a contractor-focused HVAC equipment distributor in Palm Desert, California, holding a perfect 5.0-star rating across 11 verified customer reviews. The supply house serves professional HVAC contractors throughout the Coachella Valley, providing equipment, accessories, and tools to the trade. Unlike residential service companies, this location functions as a wholesale distribution center where licensed contractors source components for installation and repair work. The store maintains standard business hours from 7 AM to 5 PM Monday through Thursday, with limited weekend availability.
The Palm Desert location stocks an extensive catalog of residential and commercial HVAC equipment, including single packaged units, split systems, mini-split systems, variable capacity systems, furnaces, and air handlers. Their inventory encompasses both standard and specialty applications such as manufactured housing systems, multi-zone configurations, and field-installed accessories. The distributor offers extended warranties on equipment purchases and maintains commercial HVAC lines alongside residential product categories. Contractors can access cross-reference search tools through their website to identify compatible replacement components and system matchups.
Customer feedback consistently highlights the knowledgeable staff and well-organized inventory that keeps contractors moving efficiently through projects. One reviewer notes a six-year business relationship with the team, mentioning educational sessions about air conditioning technology that help customers stay current with industry developments. The staff receives praise for combining technical expertise with a personable approach, creating a supply experience that contractors return to repeatedly for both product availability and responsive service.
What Customers Say
All five detailed reviews award five stars, with recurring themes including competitive pricing, comprehensive inventory, and staff who explain technical concepts clearly. Reviewers specifically mention the manager by first name and describe the location as clean and well-organized.
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 | Closed |
| Saturday | Closed |
Services
HVAC Equipment Distribution
Wholesale supply of heating and cooling equipment to licensed contractors serving the Coachella Valley.
Residential Split Systems
Full line of residential split system air conditioners, heat pumps, and matching indoor components.
Mini-Split Systems
Single-zone and multi-zone mini-split configurations including variable capacity systems.
Packaged Units
Single packaged units for residential and light commercial applications requiring all-in-one solutions.
Furnaces & Air Handlers
Gas furnaces, oil furnaces, air handlers, and evaporator coils for system matching and replacements.
Commercial HVAC Equipment
Commercial-grade heating and cooling systems separate from residential product lines.
Installation Accessories
Field-installed accessories, mounting hardware, and connecting components for professional installations.
Extended Warranties
Optional extended warranty coverage available for purchase on HVAC equipment through the distribution platform.