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lacks this built-in sensor, though it can still use occupancy data if you pair it with external SmartSensors.

: This software feature intelligently adjusts your home’s temperature during times when electricity is cheaper and offers "Smart Home & Away" to save energy when you're out.

, as the "lite" version is much more common today but lacks a few key hardware features. Key Features to Consider Remote Room Sensors Go to product viewer dialog for this item.

includes terminals to control accessories like humidifiers, dehumidifiers, or ventilators. The does not support these. Occupancy Sensing : The original has a built-in occupancy sensor on the unit itself. The ecobee3 lite