Perfect temperature and potential energy savings and lower bills. Nest thermostat now features a bigger, sharper display that lights up to show the temperature youve set or the time. Quickly learns what temperature you like any time of the day or year and sets it automatically. Lets you adjust the temperature anywhere from your phone or tablet. Installs easily in about half an hour. Shows how much energy you use daily and monthly, and how to use less. Designed to alerts you to dangers such as temperatures low enough to burst pipes or a faulty furnace. With your thermostat controlling half your energy bill, Nest offers an outstanding way to save energy and money.