This is the ugly truth: most HVAC failures happen because someone missed a step. Failed to calculate the load accurately. Used cheap equipment. Miscalculated the insulation needs. We've personally fixed countless of these messes. And every time, we record another lesson. Like in 2017, when we began adding smart thermostats to every installation. Why? Because Sarah, our senior tech, got tired of watching homeowners waste money on bad temperature settings. Now clients save hundreds yearly.
 
https://caidenrsec979.overblog.fr/2026/01/heat-pump-efficiency-what-seer-ratings-dont-tell-you.html

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