- Temperature: The first thing is to be clear at what temperature we should have the refrigerator. The ideal is between 4 or 5 degrees Celsius.
- Doors: A mistake that many people make is to open the refrigerator door and leave it that way while you decide what to cook; So first think about what you want to eat and then open the fridge. it may be a bit of a hassle, but it will help keep it in good shape.
- Location: For the condenser to cool properly, it is recommended to place the Sub Zero refrigerator about 15 centimeters from the wall.
- Inside: Refrigerators need to have something inside to keep temperatures low.
- Ice: If the walls of your refrigerator have more than half a centimeter of ice, it’s time to defrost. If you don’t, you’ll be forcing the motor to run harder and you’ll spend more energy.

