"Programs itself. Then pays for itself Meet the 3rd gen Nest Learning Thermostat. It has new rings and a big, sharp display. And it saves energy. That's the most beautiful part. Your thermostat controls half your energy bill - more than appliances, more than electronics. So shouldn't it help you save energy? The 3rd gen Nest Learning Thermostat does. It learns what temperature you like and builds a schedule around yours. Since 2011, the Nest Thermostat has saved over 8 billion kWh of energy in millions of homes worldwide. And independent studies showed that it saved people an average of 10-12% on heating bills and 15% on cooling bills. So in under two years, it can pay for itself. Your life with Nest The Nest Learning Thermostat automatically adapts as your life and the seasons change. Just use it for a week and it programs itself. Simple installation Pop off your old thermostat and install your new Nest. It should take about half an hour. Now turn up the temperature and get comfortable. G'night, Nest 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. A warm welcome After you turned up the heat a few days in a row, Nest learned you like eating breakfast at 70deg.. So now it warms up the house as you get out of bed. It knows when you're away You're off to work. The Nest Thermostat can"