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This is the brutal truth: nearly all HVAC failures take place because someone missed a step. Did not calculate the load accurately. Used undersized equipment. Got wrong the insulation needs. We have fixed dozens of these failures. And each time, we remember another learning. Like in 2017, when we started adding WiFi controls to all installation. Why? Because Sarah, our senior tech, got frustrated of watching homeowners lose money on bad temperature control. Now clients save $500+ yearly.
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