Nest, the learning thermostat, can be programmed to perfectly match your daily activities.

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Or connect the thermostat to the Web so that it can be controlled from an office PC, allowing home temperature to be set before you get home?

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The Instant Away feature allows homeowners to balance comfort and energy savings: on your way out the door, simply tell the Honeywell Wi-Fi thermostat when you will be back and it can start saving energy instantly while you are gone.

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Well, this technology already exists, in the form of Nest, a smart thermostat that can be controlled remotely through a mobile app.

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