The 3rd-generation Nest Learning Thermostat is thinner and sleeker. With a bigger, sharper display and Farsight, you can easily see the time or the temperature you’ve set from across the room. Now you can even control your hot water tank. And it saves energy. A lot of energy. Over 4 billion kilowatt hours of energy so far, in millions of homes around the world.* That’s the most beautiful part. Watch the video