Install and use one or more smart or programmable thermostats

A programmable thermostat will reduce the amount that your heating and/or cooling system runs unnecessarily, such as when the house is predictably unoccupied or at night when occupants are asleep. Be sure to update your settings as your schedule changes.
FAQ
In addition to your Action Plan, you can search through our Energy Tips. There are ideas for quick behavior changes, weekend projects, maintenance, when it breaks, health and comfort, and other energy saving ideas. You can easily add those to your action plan.
If you mark an item on your plan as completed, we will track your estimated energy use and savings over time. We can use this to find additional savings options.
For a good overview of how to set and operate your thermostat, visit https://www.energystar.gov/products/heating_cooling/smart_thermostats