The Honeywell Home RTH9585WF is part of the Thermostats ... Indicates, when using a 2-wire setup, whether or not the thermostat draws power through the wires in order to charge the internal ...

This is a low-voltage return wire that’s an essential part ... savings by connecting both to your new smart thermostat. Both the Honeywell RTH9585WF and Ecobee 4 are capable smart thermostats ...

Nest Learning Thermostat 3 vs Honeywell RTH9585WF: Price & features The Nest ... but it comes down to the type of wiring you’ve got rather than the type of fuels you’re burning.