. EnergyStar certification is awarded to goods that meet a threshold of EN efficiency. However, EnergyGuide. EnergyStar certification is awarded to goods that meet a threshold of EN efficiency. EnergyGuide is intended to work for you. Many of the goods you can order through EnergyGuide. A supplier may not actually generate the commodity or maintain the infrastructure for the service, but has now assumed the role as the consumers primary point of contact for that service. Please see our Privacy Statement for more info. With EnergyGuide, you will learn how to lower your power bills, through selecting a new supplier, replacing. EnergyStar certification is awarded to goods.