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My heat-only system only has two or three wires connected to the thermostat. Am I compatible with ecobee?
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Recently installed Amazon smart thermostat only has the option for heat. Are my wires connected correctly? : r/hvacadvice
![Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Sand - Amazon.com Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Sand - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81qVPNmVZCL._AC_UF350,350_QL80_.jpg)
Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Sand - Amazon.com
![heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange](https://i.stack.imgur.com/YnlT0.jpg)
heating - Wifi thermostat to replace old mechanical 2-wire 110V Honeywell? - Home Improvement Stack Exchange
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