The Most Expensive Part of the System Isn’t the Compressor Anymore

There was a time when hearing the words, "The compressor failed," made every HVAC contractor brace for an uncomfortable conversation. For decades, the compressor was the heart of the system—and often the most expensive component to replace. A failed compressor meant difficult phone calls, expensive repairs, and customers wondering how something so costly could stop working long before they thought it should. Now, I am not saying that the compressor is no longer the heart of the system. But for many of us learning the trade, it also represented the greatest financial risk inside the [...]