1. Temperature control method
Let's talk about the pros and cons of mechanical temperature-controlled refrigerators first. The mechanical control has a simple structure, which is naturally more convenient in terms of repair and replacement, and the temperature can be adjusted manually. The disadvantage of mechanical temperature control refrigerators is that the temperature control accuracy is low and the temperature cannot be displayed directly. In comparison, computer-controlled refrigerators have much higher temperature control accuracy, intuitive display, and easy operation.
Now the temperature control technology is very mature. As long as the quality parts are used, whether mechanical or electronic temperature control can be used, there is no good or bad mechanical.
If you feel that the temperature control ability of the refrigerator is too poor, it is mostly because the refrigerator uses inferior originals and the quality of the refrigerator is not good. For consumers who do not have strict requirements on the freshness and nutrition of food, mechanical temperature-controlled refrigerators can already meet their daily storage needs.
2. Refrigerator specifications
When purchasing a refrigerator, the size of the refrigerator should be determined according to the number of people in the home. Do not buy a refrigerator that is too large or too small. Judging from the eating habits of Chinese residents, the average volume of household refrigerators is about 50 liters per person. If there are three or four people in the family, it is best to choose a refrigerator of about 150-220 liters.
3. Air-cooled and water-cooled
The most obvious difference between air-cooled refrigerators and direct-cooled refrigerators is that air-cooling does not form frost, while direct-cooling will cause frost. Under the action of the fan, the indoor temperature of the air-cooled refrigerator is maintained relatively evenly, and the temperature change will not be too large.
However, the air-cooled refrigerator will air dry food for a long time, and the preservation effect is not as good as that of a direct-cooled refrigerator. The uniform cooling refrigerators on the market are essentially direct cooling refrigerators. The direct-cooling refrigerator with relatively poor temperature balance is not as good as the cooling effect, but the energy consumption is much lower than that of the air-cooled refrigerator, because the fan of the air-cooled refrigerator has to work, and there is a complicated circuit design, which is more. Noise.
4. Freezing capacity
Refrigerators with insufficient freezing capacity can easily lead to insufficient freezing in a timely manner, leading to deterioration of food or loss of nutrients. Under normal circumstances, the energy efficiency level of a refrigerator can be determined from the power consumption of a refrigerator for 24 hours.
The energy consumption of the refrigerator can be easily seen through the energy-saving signs, but it is easy to overlook the freezing capacity of the refrigerator. In fact, when judging whether the refrigerator saves electricity, power consumption and freezing capacity should be combined.
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