With rising energy prices, many people are looking for ways to reduce the costs of the family budget. One of the biggest consumers of electricity in the household is certainly the refrigerator, without which we can't even imagine life in the summer. For greater energy efficiency, it makes sense to check which energy class your device belongs to and replace it if necessary. Older models of refrigerators consume twice as much energy as refrigerators in energy class C, a comparison of two similar ones showed of Gorenje combined refrigerators. At the same time, you can save a few extra euros by using and distributing food correctly.