The most common freons are freons R22, R407 and R410a. Previously, the most common refrigerant was single-component freon R22. Its advantages were a small price and low working pressure. However, this freon actively destroyed the ozone layer, so in the early 2000s its use was seriously limited worldwide. It was at that time that we owe the influx of air conditioners on this freon. Currently, the supply of Freon R22 is quota, which has significantly increased the price of this refrigerant.
The multicomponent freon R407 replaced R22, but did not receive distribution. The fact is that one of its components evaporated faster than the rest, as a result of which the freon lost its properties, and when replacing the refrigerant, it was necessary to drain the old freon completely before filling the air conditioner. Although it did not cause harm to the ozone layer, systems on freon R407 are practically not found.
Hotpoint-Ariston air conditioners and split systems
Currently, all household air conditioners are produced under the use of freon R410a. This multicomponent freon does not destroy the ozone layer, and its components evaporate at the same rate, which simplifies the refueling procedure.
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