-Nest learns the temperatures you like and programs itself in about a week.
-Nest automatically turns itself down when nobody’s home to help you save energy.
-When Nest spots you across the room, it lights up to show you the time or the temperature you set
-You’ll see the Leaf when you choose a temperature that saves energy. It guides you in the right direction.
-In independent studies, the Nest Thermostat saved an average of 10-12% on heating bills and 15% on cooling bills. So in under two years, it can pay for itself.
*All information is taken directly from the manufacturer's websites.