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Maintaining the right temperature in the refrigerator is an often underestimated, yet key element for preserving the freshness of food and ensuring the safety of the entire household. The refrigerator works continuously, yet many households do not have the temperature set optimally, which leads to unnecessary food waste, higher energy consumption and, in the worst cases, health complications. In the following sections, we will look at how to set the ideal temperature, where to place individual foods, how to measure the temperature, and what mistakes people commonly make in this process. We will also pay attention to the differences between modern appliances from brands such as Gorenje, Philco or ETA and how to use technological gadgets for their efficient operation.
The correct temperature in the refrigerator fundamentally affects not only the shelf life of food, but also the rate of bacterial multiplication and the preservation of nutritional values. Food safety experts and appliance manufacturers, such as concepts from the Mora or Statron brands, recommend maintaining the temperature between 3 and 5 °C. Higher temperatures mean a large space for bacteria to grow, which can lead to food poisoning.
If the temperature is set at around 3 °C, meat, fish and dairy products are ideally stored there. Temperatures around 4–5 °C show safe zones for storing fruit, vegetables and cooked foods. In higher temperature ranges above 6 °C, there is a greater risk of food spoilage. Therefore, it is important not only to set the temperature correctly, but also to check it regularly using thermometers, which can now be purchased with wireless data transmission to the user. Proper maintenance of humidity and prevention of mold is also related to the rate at which food in the refrigerator degrades.
The correct placement of food in the refrigerator is no less relevant, because the temperature is not the same everywhere. The coldest place is usually the lower back, which is also recommended by the instructions for concepts similar to Romotop. On the other hand, the refrigerator door or upper shelves are usually a few degrees warmer.
To set the temperature correctly, it is not enough to rely only on the internal adjustment wheel or digital display. The temperature in the refrigerator can fluctuate in different places and the changes are often subtle. The best way to be sure is to buy a quality refrigerator thermometer – digital or analog, which you place in the center of the refrigerator compartment.
The measurement should be taken after the door has been closed for a longer period of time, ideally in the morning, when the indoor climate is stable and there is no risk of short-term fluctuations from opening it.
If you have purchased modern appliances from brands such as ETA or Sencor, they may also be equipped with smart sensors that inform you of inappropriate temperatures directly to your smartphone. This makes it much easier to maintain ideal conditions.
Sometimes a simple trick is enough: put a bowl of water in the refrigerator and immerse a mercury thermometer in the water. Water stabilizes the temperature better than air itself, and the measurement therefore gives more accurate results. These methods prevent situations where you do not know the real temperature, which is a frequent reason for unnecessarily throwing away food that has spoiled earlier than necessary.
An incorrectly set temperature in the refrigerator not only has a negative impact on food, but also on the energy consumption of operation. Modern households are increasingly choosing appliances with a high energy class, where, for example, models from the Gorenje, Philco or Mora brands can significantly save electricity when operated correctly.
If the temperature in the refrigerator is too low, the compressor works constantly, increasing electricity consumption, which negatively affects the family budget.
For example, setting the refrigerator to a temperature between 3–5 °C turns out to be the most effective – it balances consumption and at the same time extends the shelf life of food.
Some advanced models, such as Tescoma equipped with the SuperCooling function, allow a temporary reduction in temperature after a large purchase, which will allow food to cool quickly without unnecessarily overloading the appliance.
Do not forget about regular maintenance of the refrigerator and freezer, including defrosting in older models, or the use of automatic NoFrost systems. Proper care can increase the cooling efficiency and service life of the appliance. You can learn much more about these topics in the articles on food care and the technology of correct settings on the pareniste or optimizing humidity for a natural cozy living room.
Among the most common mistakes that people make is, for example, overfilling the refrigerator, which prevents proper air circulation and causes temperature instability in different parts of the device. Another common mistake is putting in food that is still warm or hot – such an action causes an increase in the internal temperature and can damage other stored food.
Most older models with a rotary dial can be confusing – a higher number often means more intensive cooling. Therefore, it is recommended to have a thermometer at hand and check the settings.
Frequent opening of the refrigerator door also causes temperature fluctuations, which increase the time it takes to reach the correct temperature again, which also increases energy consumption.
Food storage also plays a role – for example, meat, fish and dairy products belong in the coldest part of the refrigerator, while fruit and vegetables last better in drawers where the temperature is higher and the humidity is regulated.
Other tips and recommendations can be found, for example, on the Majowo website focused on proper garden and household care, such as how to properly place fruit trees or safety features for protection against predators.
Technological progress in the field of home appliances brings ever greater possibilities for precise temperature settings. Manufacturers such as Gorenje, Statron or Mora offer a number of models with digital displays, multi-zone cooling and a wifi connection function for remote monitoring.
The concepts of new refrigerators include, for example, separate temperature zones for meat, vegetables and ready meals, which allows for maximum preservation of freshness and suitable conditions for each type of food. Thermal sensors together with advanced algorithms control the optimal operation of the compressor, thus minimizing the energy load.
Models such as ETA or Philco are known on the market for their reliability and advanced regulation, which helps to maintain a constant temperature without fluctuations. Modern users can also use applications for monitoring and setting the temperature remotely, which will be standard in 2025.
The implementation of such innovative solutions also includes proper care of the refrigerator’s environment – ideally, it should be located away from direct sunlight and heat sources, which will significantly affect its energy performance. For example, articles on polycarbonate greenhouses or care for perennials in the garden.
Léa Verdier je milovnice přírody a vášnivá zahradnice, která sdílí své objevy, ekologické tipy a inspiraci pro udržitelný život. Jejím cílem je ukázat, že péče o zahradu znamená i péči o sebe a o planetu.
