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Does anyone know I can install a smart thermostat without additional wiring? How can I tell if the blue wire is the C wire? It's an air handler for a/c only. :
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Honeywell Home C-Wire Adapter White CWIREADPTR4001/E - Best Buy
Does anyone know I can install a smart thermostat without additional wiring? How can I tell if the blue wire is the C wire? It's an air handler for a/c only. :
will this wiring support a smart thermostat? : r/smarthome
The 9 Best Smart Thermostats You Can Install Without a C Wire
Old thermostat works, but I can't get the Honeywell T9 to work. T9 require C Wire that was not in the wall. I added C wire & RC wire via plug-in 120v
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Smart thermostat with no C-wire? : r/smarthome
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Power Up Your Comfort: The Smart Thermostat and C-Wire Guide - Gearbrain
