This is the ugly truth: most HVAC failures happen because someone skipped a step. Did not calculate the load accurately. Used cheap equipment. Got wrong the insulation needs. We have fixed countless of these disasters. And each and every time, we record another insight. Like in 2017, when we started adding smart thermostats to all install. Why? Because Sarah, our lead tech, got sick of watching homeowners lose money on bad temperature settings. Now clients save hundreds yearly. https://about.me/productairheating