Nest Learning Thermostat 3rd Gen in White (2-Pack)A thinner, sleeker design and a larger, sharper display makes the 3rd generation of The Nest Learning Thermostat better than ever. Now available in white, this ENERGY STAR certified thermostat is in a class by itself. Independent studies have proven that the Nest Thermostat saved an average of 10 12% on heating bills and 15% on cooling bills. That means it can pay for itself in less than 2 years. Nest learning thermostat works with 95% of 24 Volt