This is the brutal truth: nearly all HVAC failures take place because someone skipped a step. Failed to calculate the load properly. Used incorrect equipment. Got wrong the insulation needs. We've fixed countless of these disasters. And every time, we record another lesson. Like in 2017, when we decided on adding WiFi controls to every installation. Why? Because Sarah, our lead tech, got frustrated of watching homeowners lose money on inefficient temperature control. Now clients save 20-30% yearly.
https://community.cisco.com/t5/user/vie ... id/1951244
Why We Wire HVAC Systems From the Ground Up: The Climate Control Lesson We Learned at Age Sixteen
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