some tips

1. Going on vacation? Clean the refrigerator and freezer as empty as possible, and set the temperature a little lower. Or turn the device off altogether. Late or the door or cover open, otherwise mold occur.
2. Note that the door or door of your refrigerator or freezer closes. Otherwise, a lot of energy is lost.
3. Clean the rubber edge of the door regularly, then close the door or lid better. This saves energy in a simple way.