Features of dry freezing, the principle of action of such freezing

The refrigerator can be called the main household appliance, without which no modern man can do. Therefore, when choosing it, you should thoroughly understand all the functional features.

Today, manufacturers offer two types of refrigerators: with a drip system and with a dry freeze system, which appeared much later than its counterpart.

Let's try to understand what dry freezing is, its features, the principle of operation, and also consider the advantages and disadvantages of this type of refrigerator.

Dry Fridge

Features of dry freezing

Everyone probably heard the term “No Frost” (meaning “no frost”), which is often used in everyday life for refrigeration equipment. This is the dry freeze system. So what does she mean?

The main difference and feature of the refrigerator with the function of dry freezing is the absence of the formation of “ice crust” and “snow cap” during operation of the refrigeration device. Due to the principle of operation of refrigerators of this kind, the products have a more uniform and faster cooling compared to drip type refrigerators.

The main difference and feature of the refrigerator with the function of dry freezing is the absence of the formation of “ice crust” and “snow cap” during operation of the refrigeration device

Inside the device, a much smaller jump in temperature is observed when the door is opened (no more than 2 ° C even in the freezer), whereas in the drip mode, the jump reaches 5 - 9 ° C.
The Nou Frost system does not require defrosting a household appliance. But…

Inside the device there is a much smaller temperature jump when opening the door

Refrigerators of this type have several advantages, thanks to which they have become popular among buyers:

• air is distributed evenly, thereby ensuring the same temperature in all parts of the refrigerator;
• there is a quick restoration of temperature to the required when opening the door of the mechanism;
• for a long time can maintain the temperature regime in the chambers during a power outage, and, consequently, a temporary shutdown of the refrigerator;
• no need for continuous defrosting.

Dry-frozen refrigerators do not require constant defrosting

But, like in any device, in the system of dry freezing, one can note the disadvantages:

• the presence of high noise during operation, due to the operation of cooling fans;
  increased power consumption;
• the evaporator included in the device occupies quite a lot of volume, due to which the capacity of the chambers is noticeably reduced, despite the impressive external dimensions of the refrigeration equipment;
• the high cost of this household appliance compared to other types of freezing systems;
• dry air “dries” and “winds” foods faster, therefore it is recommended to store them in special containers.

One of the minuses of such refrigerators is the high cost

The principle of dry freezing

The dry freezing system with the automatic defrosting function is a special mechanism that performs cooling by a fan, which is attached to the rear wall.
During the operation of the device, there is a constant circulation of air flows, therefore, the condensate that appears on the walls dries quickly, without forming, thereby, an ice crust.

The dry freezing system with the automatic defrosting function is a special mechanism that performs cooling by a fan, which is attached to the rear wall.

But if the condensate still remains, then it immediately drains into the capacity intended for it, interconnected with the compressor. The constantly working mechanism is very hot, due to which the evaporation of the collected condensate occurs.
Such processes also occur in the freezer (as opposed to drip thawing): moisture evaporates, so no excess snow appears on the products and inside the freezer containers.

During dry freezing, no excess snow appears on the products and inside the freezing containers.

How to choose a refrigerator with dry freeze: tips and tricks

Now, any home appliance store is full of offers for the sale of refrigerators with the No Frost system.

As can be seen from the above, dry freezing means that this is a special system of defrosting in refrigeration units, which has its fans and opponents.

Dry freezing means that it is a special defrosting system in refrigeration units

What to look for when buying a No Frost refrigerator? Firstly, the fan makes a noise, because if you are not a fan of extraneous sounds, you should pay attention to this fact. Secondly, energy consumption is also increased. Thirdly, refrigerators of this type are much more expensive.

When buying a refrigerator, keep in mind that it is noisy and consumes a lot of energy

However, manufacturers are working hard to reduce noise and energy consumption, so you can pick up an almost silent refrigerator with dry freeze function, which will not be too “punchy” with monthly payments for electricity.

Also, manufacturers are adding more and more additional parameters to their devices. For example, an ice generator is for those who prefer cocktails; water cooler that can be poured directly from the unit door; special chilled areas for storing chilled products. In addition, many refrigerators are equipped with a signaling device, if the door is not tightly closed, as well as blocking the control panel and the door from small children.

Refrigerator for those who prefer cocktails; water cooler that can be poured directly from the unit door

So, having considered all the characteristics, pros and cons of freezing in the refrigerator, the choice is yours. First, it is worth deciding on the size, dimensions and the place where the future household appliance is going to inhabit. In any case, it all depends on your preferences, price category, and the design of the device, which is suitable specifically for the interior of the kitchen, also plays a big role, since there are no very strong differences in the characteristics of devices with a different auto-defrost system.

Buy a refrigerator with a dry freeze system or not, it's up to you

Overview of refrigerators with No Frost system