Here's the brutal truth: most HVAC failures take place because someone missed a step. Failed to calculate the load accurately. Used cheap equipment. Miscalculated the insulation needs. We've fixed dozens of these failures. And each time, we record another lesson. 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 bad temperature settings. Now clients save 20-30% yearly.
 
https://qiita.com/productairheating

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