Consumer Reports' exhaustive tests reveal the best smart thermostats, including models from Ecobee, Google Nest, Honeywell Home, Mysa, and Sensibo.

Later this year, Ecobee will release a new $130 smart thermostat and Honeywell Home will release ... newer thermostats often require a common wire, a C-wire. The C-wire provides continuous power ...

Resideo, which makes Honeywell Home thermostats, recommends trying to ... If your system already has a C-wire, you can skip ...

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 ...