5 Amazing Benefits of Inverter Technology.

Toshiba invented Inverter Technology in 1980. The inverter technology was initially used in Air Conditioners.

Inverter is an electronic device that converts Direct Current to Alternating Current.

This conversion allows a device to operate on variable frequencies.

Direct current has zero frequency. ( Frequency is number of cycles per second).

A device equipped with inverter varies their work capacity by increasing or reducing the power supply frequency.

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PAM works like a turbo engine in a car. It will set a compressor at the maximum power, providing fast cooling in order to achieve the desired room temperature when the air conditioner is switched on.

PWM helps to balance the compressor speed revolution either high speed when providing fast cooling or slow speed when maintaining room temperature. So, like Cruise control in a car, it results in significantly less energy consumption.

An air conditioner uses this technology to cool or warm a room as quickly as possible and then works on maintaining a comfortable temperature, thus saving electricity.

The inverter technology is now widely used in several home appliances like Washing Machines, Refrigerators, Microwaves and Air Conditioners.

In brief, Inverter Technology adjusts energy usage depending on the workload

Standard appliances either work at the highest ability or turn off as, their performance can not be changed. 

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Conventional Device
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Inverter Technology

Q) What is Inverter Technology?

Inverter Technology is a power-saving system, installed in modern household appliances which decides the optimum power usage base on the workload.

Q) What are the benefits of Inverter Technology?

The Biggest benefit of Inverter Technology is power saving that means savings on your electricity bill.

Q) What is Inverter Technology in Air Conditioners?

This technology keeps a cool or warm a room as quickly as possible and then works on maintaining a comfortable temperature, thus saving electricity.

Q) What is Inverter Technology in Washing Machines?

In a washing machine, this technology allows the sensors in the washing machine to select the optimum power consumption based on the wash load and type of laundry.
It means a smaller load will use less energy as compared to a heavy wash load. 

Q) What is Inverter Technology in Microwaves?

An Inverter Microwave uses power supply with an inverter instead of a magnetic coil or a transformer. It is more efficient than a traditional microwave. It uses substantially less amount of energy. 

Q) What is Inverter Technology in Refrigerators?

In refrigerators this technology helps to regulate the temperature based on the usage patterns. For Example during the day when the door is opened several times the sensors increase the cooling to compensate the loss of cooling, while during night the power consumption drops due to non usage.

Applications of Inverter Technology

Air Conditioners

An inverter air-conditioner adjusts the speed of the compressor to control the coolant flow rate, thereby consuming less current and power.

non-inverter unit goes on and off to keep the temperature within a specific limit around the room temperature, making it less energy effective.

This technology enables a high powered start-up resulting in 25% faster cooling and once an ideal temperature is reached. This technology works on maintaining that temperature by adjusting the speed of the compressor.

Inverter Technology in AC
Inverter power control
Conventional AC
Non Inverter Air Conditioner
Courtesy: Daikin India

Washing Machines

Inverter Technology allows the washing machine to run at optimum power.

A Conventional Washing Machine operates at maximum power when the wash load is high. However, you do not wash all the clothes every day.

Sometimes there are only a hand full of clothes to be washed, but a conventional washing machine will consume maximum power even if the wash load is low. Isn’t that wastage of energy? This question baffled the designers for a long time.

To solve this problem, the manufacturers introduced inverter technology in washing machines.

Sensors of the washing machine calculate the wash load and decide the optimum power needed to wash the laundry, resulting in energy saving.

Inverter washing machines do not have a belt connecting the wash drum to the motor. Instead, the inverter motor is connected to the washtub. It makes the washing machine stable, and the power of the motor can be transferred to the washtub effectively.

This is called a Direct Drive Motor.

Courtesy: LG
Inverter Technology In Washing Machines


A refrigerator is an essential household appliance and unlike other devices that can be turned off.

The refrigerator is always ON as it stores our perishables, making it the power guzzler. 

With the introduction of inverter technology, refrigerators are much more power-efficient.

Just like other conventional devices, a traditional fridge is either off or works at maximum power.

An Inverter Refrigerator changes the power consumption depending on your usage patterns.

For example, during the day when the fridge is opened several times, the compressor works hard to compensate for the loss of cooling.

Whereas, during the night, the compressor slows down to maintain the cooling.

Courtesy: Samsung

Tips to Save Electricity on Refrigerator

  • Avoid opening the door frequently and make sure that the door is closed properly once you are done.
  • Don’t overstuff your refrigerator because more stuff you have in the fridge harder the compressor works to cool.
  • Use the fridge thermostat at medium or medium-high.
  • Do refer to the energy rating this can help you save a lot.

Microwave Ovens

An Inverter Microwave uses power supply with an inverter instead of a magnetic coil or a transformer.

It is a more efficient way of cooking than the traditional style. It uses substantially less amount of energy and cooks food properly.

If you use the Microwave Oven a lot, then it is best to opt for an Inverter Microwave Oven.

Inverter Microwave ovens are faster and more energy-efficient than an ordinary Microwave Oven.

In a conventional microwave oven, the magnetron which produces the microwaves is always at its full power.

In an inverter microwave oven, the power level is variable depending on the workload.

Microwave Buying Guide

Inverter technology in Microwave


With the evolution of technology, our household devices are changing. From being a luxury device, they have become a necessity. 

We use them every day, so its better to consider them as an investment instead of an expenditure. 

The cost of the inverter devices might sound expensive at first, but inverter technology makes up for its price by saving energy. 

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