The more people in the household, the greater the capacity required for the refrigerator. For small households of 1-2 people a refrigerator with a capacity of 200-350L is satisfactory, while for households of 3 to 4 people a refrigerator with a capacity of 350-500L is more suitable. Finally, XL refrigerators with a capacity of over 500L are ideal for large families or for those who often receive guests.