Your home's energy rating is an evaluation of your home's overall energy efficiency. If your house's rating is high, it means your potential for energy loss is also high. Bringing your rating numbers down means that your home is becoming more energy efficient.  Your home's energy rating is based on several things. When your energy company does a home energy audit, they are looking for ways that your home or its components are wasting energy. A low rating means that a home is more energy efficient than one with a higher number. For example, if a home is rated at…