How to use the most energy efficient Hitachi refrigerator Still many people do not know how to use hitachi refrigerators to save electricity, worker bees share how to use the most energy-saving hitachi refrigerators. Just got yourself a new Hitachi refrigerator? Want to learn how to use the most energy-efficient Hitachi refrigerator? Let's see the following article with the application Ong Finder. To use a Hitachi refrigerator to save electricity, you can do a few things as follows: Place the refrigerator in a cool, dry place, out of direct sunlight or moisture. Check and clean the dust filter periodically, at least once every 1-2 months to ensure better cold air flow. Be sure to keep the Hitachi refrigerator door closed at all times to prevent hot air from entering the interior, which consumes electricity and increases the temperature inside the refrigerator. Organize food in Hitachi refrigerators logically and professionally. Place foods of the same type in the respective ...