Monitoring the temperature in more than one location makes the Nest smart thermostat even smarter.

One of Nest's main thermostat competitors, Ecobee, already includes a remote temperature and proximity sensor when you buy the $249 Ecobee4 Smart Thermostat (£190/AU$330 converted).

Nest just announced a new $39 Temperature Sensor that works in tandem with the company’s smart thermostats to keep particular rooms in your home at the ideal temperature.

Nest announced a new smart-home device, temperature sensors to work with its smart thermostats. The devices are priced at $39.

This model works with Nest's remote temperature sensor, available for $39 each or in a three-pack for $117. Read CNET's review of the Nest Learning Thermostat..

Nest is out with new hardware: a temperature sensor, smart doorbell system, and Yale smartlock.

It’s also commendable that Ecobee includes room sensors by default, while Nest Learning Thermostat users need to purchase a separate accessory known as the Nest Temperature Sensor.

The Nest system is remarkably powerful and flexible for smart home heating and cooling. David Gewirtz shows how he's using multiple Nests to manage zoned HVAC and adding sensors and even control ...

Nest is Google's line of smart home devices. In addition to the Nest Learning Thermostat that most people are familiar with, the lineup of smart home products now includes doorbells, locks, smoke ...

The graybeard of home HVAC control has learned a thing or two from smart thermostat competitors Nest Labs and Ecobee.

The Wyze Room Sensor is a smart accessory for the Wyze Thermostat to automatically balance your home’s climate. The sensors cost $25 and detect temperature, humidity, and motion.