Inverter AC vs Non Inverter AC – Which One is Better?

Are you planning to buy an Air conditioner to beat the heat this summer? But confused about which type of Air conditioner to buy: inverter or non-inverter? If yes, don’t worry; you have landed on the right blog post.

Though buying an air conditioner might look like a simple and easy task, but in reality, it is not. This article provides detailed information on two popular air conditioners: inverter ac and non-inverter ac, which helps you make a clear purchase decision.

What is Inverter AC?

Inverter AC is a new technology in which compressor speed varies according to the temperature. The compressor of the Inverter AC changes its speed depending upon the requirement, hence adjusting the cooling rate.

Inverter ACs are much more energy-efficient than conventional air conditioners. Inverter technology enables the AC to adjust its cooling power in line with requirements.

Pros of Inverter AC

  • You can’t beat an inverter air conditioner for energy efficiency. As previously stated, the compressor alternates between slowing down and speeding up to maintain the desired temperature. In some instances, the device’s compressor does not operate at its maximum capacity. This control offers it the flexibility to operate at various speeds, allowing it to operate at a more energy-efficient level.
  • Since the inverter AC operates smoothly, there is no immediate change in the operational speeds.
  • Though the inverter air conditioners are expensive, they are more energy-efficient and cut down your electricity bill in the long run.
  • An inverter-type AC cools a room more rapidly because it can run at its full, rated capacity.

Cons of Inverter AC

  • The inverter air conditioners are more expensive than other models because they use better technology, and they need to hire professionals to install them. Replacement parts are also more costly.
  • The technology used in the system is relatively new, so if you have problems with it, be sure to hire a skilled and qualified repair person.

What is a Non Inverter AC?

In a conventional air conditioner, the compressor has only two levels of operation – ON and OFF. The compressor switches on when the desired room temperature is above the room temperature set by you. After that, it cycles on and off to maintain your preferred temperature.

For example, if you set your AC to 24°C, it will keep cycling on and off until the temperature reaches 24°C. This kind of air conditioner is called a non-inverter AC.

Pros of Non Inverter AC

  • Compared to an inverter air conditioner of the same size, this air conditioner offers a low upfront cost.
  • Maintenance of a compressor is easily accomplished in case of malfunction.

Cons of Non Inverter AC

  • Because non-inverter air conditioners turn on and off each time a certain temperature is reached, they can create a lot of noise.
  • The non-inverter turning on and off repeatedly shortens the lifespan of the system.
  • Non-inverter ACs consume more energy than inverter air conditioners of the same size.
  • The room’s cooling is not even, which results in a drastic temperature change that can be uncomfortable for the body.

Inverter AC vs Non Inverter AC


Since the installation costs of an inverter air conditioner are significantly higher than those of a non-inverter unit, it is often cheaper to buy a non-inverter air conditioner. Inverter air-conditioning units come with energy-efficient technology and use smoother operations than conventional air conditioners.

Energy efficiency 

Inverter air conditioners control the speed of their compressors, and their compressor speed can also change when required. Inverter air conditioners are a better choice because they help to reduce an air conditioner’s energy consumption.

The non-inverter air conditioner uses more energy than the inverter air conditioner, resulting in high energy bills. Inverter air conditioners use up to 46 per cent less energy than a typical non-inverter unit, making them the more eco-friendly option.


An inverter is a device that can convert alternating current (AC) to direct current (DC) or vice versa and often includes the ability to “invert” the frequency of AC power. A non-inverter air conditioner is simplified in operation, adjusting only the temperature of air that passes through it, with no control over its power supply or speed of its compressor motor.

Noise level

Every time the threshold temperature of the room is reached, the non-inverter air conditioner keeps switching on and off. This frequent switch in the operations will cause the air conditioner to make loud noises. On the other hand, since inverter air conditioners can easily adjust according to the room temperatures, they operate silently.


An inverter air-conditioning unit is considered more flexible than non-inverters because it can adjust the compressor speed. When you turn on the air conditioner, the unit’s compressor will run at full speed and not stop or start again until the room reaches a certain temperature. Non-inverters are less adaptable because they operate in one fixed mode of cooling. When the rooms reach a certain temperature, the compressor will shut down, and it will not start again until the rooms heat up again.


Inverter air conditioning systems are more versatile than non-inverter systems because they have a controlled compressor system that can adjust to the temperature you’ve set for the room and adjust its processes based on what the thermostat senses. This versatility makes the inverter air conditioning system a winner in terms of performance, as non-inverter air conditioning systems operate on a fixed level of cooling.


Inverter air conditioners use variable-speed compressors to adjust tonnage and speed as needed. As more people enter a room or leave the room, the inverter air conditioner adjusts its speed and tonnage to ensure ideal cooling for the space. On the other hand, a single-speed compressor is used in non-inverter air conditioners, which operate at maximum speed even when cooling a small room.

Overall, the inverter air conditioner is a better investment and a more reliable machine. However, the non-inverter air conditioner is much more affordable for families who rarely use the air conditioner.

Do let us know which one you choose to buy!

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