The Nest Thermostat is essential for any connected home. The Nest Learning Thermostat automatically adapts as your life and the seasons change. Just use it for a week and it programs itself, saving you money along the way. And independent studies showed that it saved people an average of 10% to 12% on heating bills and 15% on cooling bills, so you can see why it is so highly recommended. The 3rd gen Nest Learning Thermostat has new color rings to match your home aesthetic and a big, sharp display.