Summary: This technology is so good, it practically pays for itself! The <a href="https://nest.com/thermostat/meet-nest-thermostat/" target="_blank">Nest Learning Thermostat</a> (<a href="https://twitter.com/nest" target="_blank">@Nest</a>) keeps you and your pets comfortable, saves energy, and puts a little cash back in your pocket. Mark Rose offers an overview of the Nest Thermostat Generation 3, a smart buy at the $250 price point.
