The average household spends quite a bit annually on energy bills. In fact, the U.S. Department of Energy (DOE) reports $2,000 is the average annual household energy bill. Of this total amount, cooling and heating costs account for up to half of that total. Fortunately, it is possible to save on energy costs by using a programmable thermostat. In this article, we will discuss how to use a programmable thermostat and how these thermostat features help reduce your energy costs. Click through to learn more on this topic.