The Nest Thermostat

The Nest thermostat actually is iPod-like: The display and primary interaction are instantly intuitive and physically irresistible. To adjust the temperature, turn a ring on the rim of the device--if you're making it cooler, the display turns blue, and if you're making it warmer, it turns red. The temperature itself is displayed in a clear, bright numeric readout--no more squinting at tick marks on a dusty dial. There's also a little green leaf that appears on the screen to guide to you into tweaking your settings for optimal energy savings. And Fadell, no stranger to the importance of a good "unboxing" experience, even went so far as to include a high-quality, custom branded screwdriver with every unit. "When you take it out of the box you want it to be easy to install," Fadell says. "Apple taught me not to cut corners, and that you don't give up on user experience--ever."

As Fadell notes, the thermostat business was ripe for disruption, and a tantalizing business opportunity as well. He stumbled upon it when he was building his own dream home, an experiment in cutting edge green design in Lake Tahoe. As he considered spending tens of thousands of dollars on a heating and cooling system, it just seemed wrong to link all that tech up to a $90 thermostat from Home Depot that barely worked as advertised, simply because its design was so poor. He waited for a better product to come along, but it didn't. Upon investigating the market further, he discovered that 10 million thermostats are sold every year. Meanwhile, only 6% of programmable thermostats are actually programmed, even though a programmed thermostat can save 30-40% in heating and cooling costs. That's was clearly a serious design problem.

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source: www.fastcodesign.com