Description A thinner, sleeker design. A bigger, sharper display. The 3rd generation nest learning thermostat is more beautiful than ever. With far sight, it lights up when it sees you coming and shows you the time or temperature from across the room. And the nest thermostat is proven to save energy. That's the most beautiful part, Works with Alexa . Features & details Warranty not valid for retail sale; Works with Alexa Your thermostat controls half your energy bill - more than appliances, more than electronics. So shouldn't it help you save energy Pop off your old thermostat and install your new nest. It should take about half an hour. Now turn up the temperature and comfortable You turn down the heat on your way to bed. Nest takes Note and starts building your schedule. Cozy in the afternoon, cool at night. Check