Just turn it up and down. It learns the temperatures you like and creates a schedule for you.It automatically adjusts the temperature after you leave. So you don’t heat or cool an empty home.Change the temperature from anywhere using your phone, tablet or laptop.Check your phone to see how much energy you used and why.Most people install Nest in 30 minutes or less. If you ever need help, call 24/7 support.The Nest Thermostat works with Nest Protect. If Nest Protect detects dangerous carbon monoxide gas, it can tell the Nest Thermostat to turn off the furnace – a common source of CO leaks.