Nest Temperature Sensor review: smart accessory enhances control over home’s temp

Nest owners, rejoice! With the new Nest Temperature Sensor, your Nest can take (and use) a temperature reading from somewhere else in your home! This new sensor is a small, wireless, battery powered “puck” about 2″ in diameter. It can be used with the Nest Thermostat E and the Nest Learning Thermostat (3rd gen. only). It’s sold…
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