This is the brutal truth: nearly all HVAC failures happen because someone ignored a step. Did not calculate the load accurately. Used incorrect equipment. Misjudged the insulation needs. We have fixed countless of these failures. And every time, we record another insight. Like in 2017, when we decided on adding WiFi controls to each install. Why? Because Sarah, our lead tech, got frustrated of watching homeowners lose money on poor temperature management. Now clients save $500+ yearly.