Let me ask you something—when you're shopping for a new mini split or heat pump, what's the first thing you look at? The BTU rating? The SEER efficiency? The brand name on the outdoor unit?Yeah, I thought so. We all do it. We obsess over the shiny equipment and completely ignore the humble copper tu

The U.S. HVAC industry depends on one small yet essential component to keep air conditioning and refrigeration systems operating efficiently—the insulated copper line set. While compressors, condensers, and evaporators often receive the most attention, the copper line set quietly performs the vital