The Learning Feature of the Nest Thermostat is Interesting, But the Zigbee Internals and Compatibility with Smart Meters is More Important
We just read an article, written by Nick Wingfield, Controlling the ‘Smart Home’ With Tablets and Smartphones. The article mentions a smart thermostat called the Nest.
Mr. Wingfield is impressed with the device’s learning capability. Use it for a week or two and the device will adjust temperature by itself, according to the pattern that you demonstrated over the learning period. The ability of this device to study a pattern of settings and then to replicate the pattern, unattended, is great, but not rocket science. This technology has been around for quite a while. We’ve seen different versions of it going back to the mid 1990s. You can see the technology at work on popular interactive web sites like Amazon dot com, Netflix, and more.
But what we do find exciting about the device is its apparent compatibility with most smart meter systems and, thereby, with the smart grid. As far back as October 25, 2011, Lynne Kiesling wrote a blog post titled Nest’s elegant learning thermostat — but is it transactive?. We agree with Lynne Kiesling. For, us the important point is whether the thermostat can communicate to a smart meter to turn down energy consumption for a specific location on the smart grid (the end point represented by the Nest owner’s home) when occupants are either working, sleeping, or have left the location for another reason. If the message to the smart meter is successful, then the home owner will save some precious cash.
Kiesling notes: “[b]ut even more importantly, Nest comes equipped with a Zigbee chip and wi-fi, so it will be a discoverable device on your home network, and able to communicate with a digital meter and other digital devices in the home”. It’s precisely the device’s ability to communicate with a digital meter that is of prime importance to us. Once the two way communication is established with the smart meter, which, in turn, communicates with an electric utility’s smart distribution network, then there is real potential to deliver value at a tangible, prominent level to the customer.
The Nest thermostat is an example of successful product marketing. The marketing communications campaign for the product speaks clearly to both the end customer and the technical audience more concerned with what’s on the backend of the product.
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