Ecobee3 Lite smart thermostat review: The lower price comes at the expense of a signature feature You can add the missing sensors back, but not cost effectively.

The ecobee3 saves homeowners an average of 23 percent on their heating and cooling bills. Apple introduced HomeKit in iOS to communicate with and control connected accessories in a user’s home.

Smart wireless thermostat maker Ecobee is rolling out a firmware update to Ecobee3 devices that brings individual HomeKit support to the device's remote sensors for the first time.

Little less than a year after it was announced, the first wave of devices compatible with Apple's HomeKit platform have been announced.