Auto-Schedule - No more confusing programming. Nest learns the temperatures you like and programs itself Nest Leaf - The Nest Leaf appears when you turn Nest to a temperature that's energy efficient. It guides you in the right direction Auto-Tune - Auto-Tune finds ways to automatically lower your energy bill while keeping you comfortable. It enables two Nest features: Rush Hour Rewards and Seasonal Savings Auto-Tune - Auto-Tune finds ways to automatically lower your energy bill while keeping you comfortable. It enables two Nest features: Rush Hour Rewards and Seasonal Savings Sunblock - In many homes the thermostat is in direct sunlight, causing it to warm up. Nest automatically adapts to direct sunlight to read and set the right temperature