The Nest Thermostat E is a smart thermostat that turns itself down when you’re away. It helps you save energy and keep your home comfortable. You can control it from anywhere with the Nest app, and it works with Alexa and Google Assistant so you can adjust the temperature with your voice. And its frosted display is beautifully designed to blend right in.  Remote control and mobile notifications require working internet and Wi-Fi.  Energy savings are not guaranteed and depend on energy usage, weather, and other factors.  Independent studies showed that Nest thermostats saved people an average of 10% to 12% on heating and 15% on cooling. Based on typical energy costs, we’ve estimated average savings of $131 to $145 a year. Individual savings are not guaranteed.