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. The Nest Learning Thermostat programs itself. It helps save energy. You can control it from anywhere with the Nest app. And with a Nest Temperature Sensor, you can get the right temperature, right where you want it. (Sold separately.)Your thermostat controls half your energy bill – more than appliances, more than electronics. So shouldn’t it help you save energy? The Nest Learning Thermostat is the first thermostat to get ENERGY STAR certified. It learns what temperature you like and builds a schedule around yours. Since 2011, the Nest Thermostat has saved billions of kWh of energy in millions of homes worldwide. And independent studies showed that it saved people an average of 10% to 12% on heating bills and 15% on cooling bills.