What is an inverter air conditioner?


Air conditioners are widely used in residential and office premises to maintain a comfortable microclimate, there are various models in terms of power and installation method. But such a technique may differ in the principle of operation. Today, almost all manufacturers of climate equipment offer inverter air conditioners, positioned as more economical and efficient. I will try to describe in simple terms what are its differences and advantages, which will help buyers make a choice.

Inverter air conditioner — what is it?

An inverter air conditioner is a climatic equipment designed to cool the air in a room by releasing cold and taking heat from the freon compressed from the compressor, as well as reverse action when the system is started in the opposite direction.

Based on the name, one of the key roles in the device is played by the inverter, which controls the compressor power. Alternating current with a frequency of 50-60 Hz comes from the household network to the device, where it is converted to constant, and then back to variable, but with an already increased frequency tenfold. This technology allows the inverter air conditioner to maintain high system performance and consume less power.

What is the difference between an inverter air conditioner and a conventional air conditioner

Having understood the device, you can understand the difference between the inverter air conditioner according to the principle of operation. The conventional model has two states: «On» and «Off». The user sets the required temperature, for example, 20 degrees, and the climate technology starts the motor and compressor at full power to create freon circulation. Upon reaching the specified level, the device turns off and will work only when the temperature rises by 5 degrees. Such work is associated with increased current consumption at start-up, sharper changes in heat and cold, and limited operating time.

The inverter air conditioner works on a different principle:

  • The system is started by the user and reaches the set temperature level.
  • After that, it switches to an economical mode, in which it consumes 25-75% less power due to high frequency current.
  • As a result, the air in the room stays cooler for longer, and the support of the specified temperature is activated already with a difference in 1-1.5 degrees.

Benefits of an inverter air conditioner

Based on the principle of operation, we see that the climatic device does not create overloads on the network at the time of launch and is able to maintain a more accurately set temperature. Other benefits of inverter technology include:

  • the possibility of round-the-clock work;
  • there is no very cold stream when air is injected, which increases the risk of catching a cold;
  • long service life due to maintaining a uniform load;
  • saving on electricity consumption 25-30% relative to conventional air conditioners;
  • rapid achievement of a given climatic level;
  • reduced noise due to the absence of frequent starts;
  • the ability to heat their premises at a street temperature of −25 degrees (some models).

As an expert, I’ll tell you that, despite all the advantages of inverter models, it’s better not to use it in the kitchen, where it will be more difficult for the device to adapt to rapidly changing temperature conditions (a kettle boiling nearby, food being prepared on the stove). In the country, it is not profitable for financial reasons and short time of use.

An increased amount of electronic filling is more sensitive to voltage drops in the network, therefore, in order to prevent its failure, I recommend installing a stabilizing unit. Otherwise, inverter air conditioners are better in terms of efficiency and service life, so you should strive to purchase just such models, and our experts will always help with advice on the selection of specific parameters for various operating conditions.


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