It may not seem like it, but this small accessory is a big deal in smart-thermostat-land. One of Nest's main thermostat competitors, Ecobee, already includes a remote temperature and proximity sensor ...

The Google Nest Thermostat is approachable, nice-looking, and cheaper than competing products. Don't expect the best here, but it might be one of the best smart thermostats for the money. The Google ...