ecobee3 Smarter Wi-Fi Thermostat with Remote Sensor, 2nd Generation

Ordinary thermostats only read the temperature in one room, but are supposed to deliver comfort in all rooms. Ecobee3 remote sensors deliver the right temperature in the rooms that matter most. Now homekit enabled. Ecobee3 sensors know which rooms are occupied to deliver the right temperature in the right places. And they know whether someone’s home to help you save energy and money when you’re away. Ecobee3 comes with 1 free remote sensor that measures temperature and occupancy. You can have up to 32 sensors. The more you add, the smarter your Ecobee3 becomes at delivering comfort where it matters and savings where it counts.

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Works with Alexa for voice control (Alexa device sold separately).
Smart, really smart – intuitively understands when to turn on your heating or cooling equipment based on your home’s unique energy profile, the weather outside, and thousands of other data points to make sure you’re comfortable at all times
Knows you have a life – senses whether anyone’s home and which rooms are occupied, delivering comfort when you’re at home and saving you energy and money when you’re not