“I currently have a Honeywell thermostat that runs on batteries. I don’t see a c wire. If I buy this from Best Buy and add the installation service, will they refund me if they can’t find a c wire and can’t install it?”
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absolutely u need C wire in order for this to work or u can run a wire to ur attic a/c my guess but lucky me mine has tape up unused wires I use it as c wires and went to the attic and connect it to the one of the screws it works
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