Inverter AC vs. Normal 5 Star AC: What’s the Difference?

Woman With Remote Control In Front Of Air Conditioner

Today, with the advancement in technology, we are blessed with countless numbers of electronic appliances. From kitchens to offices, we use them everywhere; we can’t imagine our life without electronic gadgets. Until the early 1900’s, an open window is the only way to keep a house cool in summers. However, now technology has gifted us a protection shield that allows us to lead our life during the sizzling summers and this shield is known as AC.

An Air Conditioner (AC) is one of the most used gadgets in summers. It is a device that helps you to keep your living space cool in the hot summer months by controlling its temperature as per the requirement. It has become a need of today’s lifestyle. We have seen many people look for an AC before stepping out of their home in summers; from cars, houses, offices, shopping malls to theater, they need it almost everywhere. After all, it is the only device that protects them from blazing summer.

Undoubtedly, an AC heavily adds up to the monthly electricity bill. And, everyone looks for ways to reduce their electricity bills. Many people go for alternative sources of energy like solar energy, but still, you can’t operate a regular AC on your solar panels as it requires a lot of power. Hence, if you are seeking ways to get rid of summers as well as hefty electricity bills, then you are at the right place.

Based on technology, there are two types of AC – Inverted AC and Non-Inverter AC. A non-inverter AC or traditional AC works on a fixed power with the compressor running at a fixed speed. The compressor has to start and stop as per the requirement.

On the other hand, an Inverted AC has a controllable compressor that provides cooling and heating based on the temperature set. The compressor is always in the ‘ON’ state but draws less power as compared to traditional AC. It helps you to save a significant amount of electricity, thereby, reduce your electricity bills.

However, it doesn’t mean that an inverter AC runs on an inverter, or it will work during an electricity cut. It is a device which uses inverter technology to convert the AC current in DC current which regulates the compressor running speed.

If you are looking forward to buying an inverter AC for your house or office, then it is the best decision you can make to protect yourself from hot summers while lowering your electricity consumption needs. With countless numbers of AC models available in the market, it becomes difficult to decide which one to choose, but a little research is worth it.

Before you go ahead, you need to collect some information regarding the working of an inverter AC, what are the advantages and disadvantages of both types of AC, what is the difference between traditional AC and inverter AC, etc. In this guide, we are going to discuss all these questions. We hope that it will help you to make the right decision.

How do inverter AC works?

The compressor is the soul of AC. In traditional AC, it goes ‘ON’ and ‘OFF’ at regular intervals. When you set a particular temperature, the AC cools the room up to the desired temperature and switches off the compressor until the temperature of the room rises again.

On sensing the warmth, the compressor starts working again and follows the same procedure. When the compressor goes ‘ON’ electricity peaks occur, it consumes more electricity.

Unlike Traditional AC, the compressor of inverter AC is always in ‘ON’ state; you don’t even know whether the compressor is working or not. They have shifting speed motors that adjust the compressor speed as per the requirement. After reaching the desired temperature, instead of stopping the compressor motor, it runs at a minimum speed to maintain the room temperature. Due to this, there is no electricity peak, which can save up to 40% electricity.

As per the BEEE (Bureau of Energy Efficiency, an inverter AC with the 3-star rating is 7% more efficient as compared to a non-inverter split AC with the 5-star rating. Before you go ahead, you need to know various reasons for buying an inverter AC as compared to a 5-star rating AC. In the next part of the article, we are going to tell the benefits of inverter AC over 5-star rating non-inverter AC.

Benefits of Inverter AC:

  1. Energy Consumption: Since an inverter AC need not work on full capacity all the time, it runs continuously at variable speed. There is no occurrence of electrical peaks which consumes less electricity as compared to 5-star rating AC. Furthermore, you can run it on solar panels.
  2. Noise: In an inverter AC, the compressor motor doesn’t switch ‘ON’ and ‘OFF’ again and again. Hence, there is no noise throughout its operation. You don’t even notice whether it is working or not whereas this is not the case with 5-star rating non-inverter AC.
  3. Cooling: An inverter AC never goes off and maintains a constant room temperature whereas, in traditional AC, the compressor goes ‘ON’ and ‘OFF’ again and again, which provides uneven cooling and warms up the room. It can interrupt your good sleep which can impact your health a lot.
  4. Lifespan: The compressor motor of an inverter AC works at a constant speed, due to which it doesn’t have to work hard, resulting in less wear and tear in its parts. It enhances its lifespan. It also requires less maintenance than non-inverter AC. On the other hand, in non-inverter AC, the compressor motor turns ‘ON’ and ‘OFF’ resulting in reduced efficiency.
  5. Powerful: An inverter AC works with its full power as soon as they turn on, making it fast to gain the desired temperature. It lowers the consumption of electricity units and reduces your electricity bills. It can decrease the electricity bills by up to 20%.
  6. Comfortable: An inverter AC adjusts the compressor motor based on the heat load and the difference between indoor temperature and desired temperature. It offers you a higher comfort level as compared to the non-inverter AC.
  7. Environmental Friendly: As today, a large part of fossil fuels are used in the production of electricity. An inverter AC consumes less electricity, which not only saves your hard earned money but also saves our fossil fuels, making it environmentally friendly.

While these were the advantages of inverter AC, there are many more such as many inverter AC units come with reverse cycle feature. It is an additional energy saver feature that keeps your living space cool during summers and heat during winters. It saves a significant amount of money by eliminating the need of spending money on heating appliances.

This add-on feature makes it an awesome product that you should buy this summer. Nevertheless, as we know that a coin has two faces; an inverter AC has some disadvantages too. Before you buy an inverter AC, you need to know its disadvantages. Let’s have a look at the cons of inverter AC.

Disadvantages of Inverter AC:

  1. Expensive: Though an inverter AC consumes less energy, but it is costly as compared to the non-inverter AC. Not everyone can afford it. However, you can reap its value within 2-years by reduced electricity bill. Hence, it is wise to buy an inverter AC.
  2. High Maintenance Cost: As inverter AC maintains a constant motor speed, it consists of moveable parts, making its structure complex. It results in expensive maintenance cost. Moreover, it requires more efforts to build or repair.
  3. Fewer Technicians: As this technology is evolving nowadays, not every technician has the knowledge to deal with it. So, it is difficult to find an experienced technician. Hence, the users have to fix their ACs from the manufacturer’s service center, which enhances its repair cost.

While these are few disadvantages of inverter AC, they are not deal breakers. You can recover its cost by the reduced bills. As far as there is a concern of fewer technicians, the inverter AC comes with a warranty; by the time that ends, this problem will be resolved.

Hence, with these cons, it is advisable to go for an inverter AC as compared to a non-inverter AC. If you are still confused to decide on which one to buy, then you need to know the difference between an inverter AC and a non-inverter AC. In the next part, we are going to discuss the same.

What is the difference between an inverter AC and 5-star rating non-inverter AC?

  1. Compressor Speed: The primary difference that makes the inverter AC different from a non-inverter AC is the functioning of the compressor. An inverter AC works on variable speed compressor whereas a 5-star rated non-inverter AC have single speed compressor. It changes its speed as per the heat load and number of people.
  2. The need of Stabilizer: A stabilizer is installed with the AC to maintain an optimum voltage range during the power fluctuations. Usually, it ranges from 160 to 245V. The components of the inverter AC are designed to work during this fluctuation range. Hence, an inverter AC doesn’t require a stabilizer. However, we can’t predict the actual voltage fluctuation range. So, it is better to have a stabilizer installed along with your AC.
  3. Current Required: In the non-inverter AC, the motor requires 3-4 times more current for its operation, but an inverter AC motor has variable speed. Due to which, it needs much lesser current at startup; this factor also decides the size of inverter/generator for an AC. For instance, if you want to run a non-inverter AC of 1.5 ton on an inverter/generator and it requires current from 10Amp to 30Amp for its operation, then it will require a 5kVA inverter/generator. On the other hand, an inverter/generator of 2kVA can support an inverter AC, as it needs only 6-7Amp current for its operation.
  4. Power Factor: The power factor is the ratio of the real power absorbed by the load to the apparent power flowing in the current. Higher the power factor is, the lesser it will consume the electricity. The power factor for an inverter AC is close to unity whereas a non-inverter AC has less power factor. For commercial appliances, there is a penalty for low power factor devices. Hence, an inverter AC not only reduces the power consumption but also help the industries to get rebates.
  5. Automatic Adjustment: As inverter AC has variable compressor speed, it automatically adjusts its speed as per the room temperature. But, the non-inverter AC doesn’t have the ability to do so. Hence, an inverter AC keeps the room cool throughout its operation.

These were some difference between an inverter AC and the non-inverter AC. Now you have gained the knowledge about the concept of inverter AC, you are aware with the working of inverter & non-inverter AC, reasons to buy an inverter AC, pros & cons of inverter AC over non-inverter AC and difference between the inverter & non-inverter AC.

However, every machine requires maintenance to enhance its lifespan. Whether you buy an inverter AC or non-inverter AC, it is recommended to clean its ducts and filters regularly. Not only it will help you to increase the life of your AC, but also saves considerable power and reduces your electricity bill.

Before you step out to shop for an AC, we suggest you do some research or go through some buying guides. It will help you to know the specifications of an AC and your needs. Knowing the things to consider while buying an AC will further help you to make an informed decision. And, make sure that you buy an AC of a reputed brand like Blue Star, LG, Mitsubishi Electric, Panasonic, Voltas, Samsung, Daikin, Hitachi, Carrier, etc.

We hope that this small guide will help you to make the right decision. If you have any query or questions, please explore the internet.

All the best!


I Like to do proper research before making any Buying Decision, and that's why I made this blog to help you guys.

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