HVAC, Refrigeration & Compressor Technical Resources
A few summers ago, I was called to troubleshoot a rooftop air conditioning unit at a busy supermarket. The complaint sounded simple enough: “The store isn’t staying cool during the afternoon.” By the time I arrived, the system had already been inspected twice. Refrigerant levels looked normal, the condenser coil was clean, and all the … Read more
There was a time when I got a call from a small office building where the air conditioning system kept shutting down every afternoon. The technicians had already checked the refrigerant level, cleaned the condenser, and even replaced a contactor, but the problem kept coming back. After tracing the issue step by step, we discovered … Read more
A few years ago, I received a call from the owner of a medium-sized office building whose air conditioning system kept shutting down during the hottest part of the afternoon.The maintenance team had already inspected the electrical components, verified the refrigerant charge, and thoroughly cleaned the condenser coils, yet the system continued to struggle with … Read more