This is the brutal truth: nearly all HVAC failures happen because someone ignored a step. Failed to calculate the load accurately. Used cheap equipment. Misjudged the insulation needs. We've fixed countless of these messes. And each and every time, we record another insight. Like in 2017, when we started adding WiFi controls to all install. Why? Because Sarah, our lead tech, got sick of watching homeowners waste money on inefficient temperature control. Now clients save 20-30% yearly.