Ecobee3 Wi-Fi Thermostat with Remote Sensor is the newest production of Canadian company Ecobee Inc. released just in September 2014, however, this company introduced the world’s first wi-fi connected smart thermostat in 2009.
Pros : Nice design, Looks Great, Stylish, Remote sensor that improves energy management, Greater control over HVAC settings, Easy to use and amazing customer support, 3 year warranty. With remote sensors Ecobee3 does things differently and better than most smart thermostats.
Cons : Does not support geofencing. For systems without a C-wire, the power extender kit requires adjusting some wires inside your furnace
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