you’ll need to make sure you have an available C wire if you want to use the Honeywell. This is a low-voltage return wire that’s an essential part of powering the thermostat – ask a ...

This week, Resideo announced the Honeywell Home X2S Smart Thermostat ... The Energy Star-rated thermostat requires a C wire and is compatible with up to two heating and cooling stages on ...

The list includes models from Ecobee, Google Nest, and Honeywell Home ... have an older HVAC system that’s missing a C-wire. (Most smart thermostats require a C-wire so that they can receive ...

The Honeywell ... whether the thermostat provides some sort of password protection - which limits the ability to change the thermostat's settings. Indicates, when using a 2-wire setup, whether ...