My thermostat has three wires. Am I compatible with ecobee?
Installing new Amazon smart thermostat from a RWG non-smart Honeywell...I have a C wire but on the HVAC there are already 2 wires (red and blue) in the C connection on the
What kind of thermostat do I have? - Home - Wyze Forum
Wiring Nest from 3 wire honeywell thermostat : r/Nest
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Wyze thermostat - 3 wires - incompatible? - Home - Wyze Forum