When you heat the home, you expect to feel warm air coming from your Heating System. This is basically where the thinking of a heating system ends. Home owners are concerned with the heat the system can provide but tend to stop their thinking at that point. However, with the need for energy efficiency increasing, many home owners are learning how to save energy with a home heating system. It is important to learn how your home heating system operates and how energy efficient the unit actually is to be able to save the most on your heating bills.