Great place for HVAC all the guys are friendly and helpful they help us keep CBU Comfortable

The employee, Jack Reese was rude and so unprofessional. While working a job at my house, the contractor sent me to Johnstone Supply in Corona to pick up some parts because he had an account there. Ja

As always I had a great morning at Johnstone Corona. I had to get to my job site early so I was here right at 7 am. The counter team here is the best and so are the warehouse guys. They always go out