HVAC Systems
Smart Thermostat Wiring Blunders: When DIY Frying Your Control Board
Smart thermostats are one of the most common “upgrades” I see — and one of the most common sources of HVAC damage. The box makes it look easy. The YouTube video makes it look foolproof. The system doesn’t complain right away. Then I open the panel. Why Smart Thermostats Get
January 27, 2026
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