Mike L.
9/3/2025
I would like to thank the sales team at Johnstone Supply for helping me in a pinch. After my licensed technician finished installing my mini split system, we discovered that a service port cap...
Johnstone Supply San Diego
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4320 Pacific Hwy
San Diego, CA 92110
Johnstone Supply is one of the leading cooperative wholesale distributors in the United States specializing in heating, ventilating and air Conditioning (HVAC). Located in San Diego, Calif., the company offers a variety of products, such as air conditioning supplies and parts. In addition, Johnstone Supply provides technical advice as well as training seminars printing an annual catalog featuring more than 30,000 HVAC parts, supplies and equipment. The company operates more than 340 independently owned store locations throughout the United States.
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Reviews
3.012 reviewsJeremy C.
5/6/2025
As an owners of an HVAC company for the past 10 years, we understand just how important customer service is. The WHOLE staff at Johnstone Pacific Coast Hwy gives EXCEPTIONAL customer service!!!...
Alan C.
4/13/2024
This exact location is my go to place to get any tools / materials I need for any project that I am on . Always getting greeted with respect by all the employees their everyone their is awesome !
Dan L.
1/13/2024
The people who answer phones at this location are unprofessional and rude. The rep hung up on me, when I requested he send a quote directly to the HVAC installer (with an account there) we are...
Heidi M.
5/24/2019
Revolving door of unprofessional, unhelpful, poorly trained employees. They won't be in business much longer.
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