11 Best Air Conditioner (AC) in India 2021 – Expert Analysis
Summers are over, yet the hunt for the best air conditioner in India never seems to end. As much as we love India, we cannot deny the fact

Summers are over, yet the hunt for the best air conditioner in India never seems to end. As much as we love India, we cannot deny the fact that it’s warm and balmy almost throughout the year.



Ever wondered why do we feel the most comfortable at home? After a long day of work, all we need is to get cosy and have the most restful ambience around. This appliance plays a huge role in doing so. Having the wrong air conditioner can be so infuriating. You definitely don’t want to deal with it.

What features to consider? What brand to choose? What should be the energy efficiency? How much should be spent on this cooling appliance? Hold on; all your questions are going to be answered by the end of my blog.

One thing is certain. Every best 1.5-ton split AC mentioned below can thoughtfully cool any room measuring 150 – 160 square feet. I have distinguished each one of them based on their performance and features.

So, let’s begin with the product reviews and then head straight to the buying guide.


LG is an established name in the world of electronics. Today LG is a famous home appliance brand not only in India but all over the world. It is a brand that is highly trusted- you never have to worry about product quality and functionality. Our list of best air conditioners in India starts with LG 1.5 Ton 5 Star Inverter Split AC. The product comes with several great features. Let’s briefly discuss some of them.


Dual Inverter Compressor: Let’s talk about the Dual Inverter Compressor first. It can automatically adjust the speed of the compressor depending on the heat load. As a result, it cools the room much faster, makes less noise and helps keep electricity bills low by preventing energy wastage. Something else to note about the compressor is that
the company gives a 10-year warranty on the compressor. You can take that as an indicator of how good the build quality of this product is.

100% Copper Condenser Coil: This particular aspect plays a large part in the air conditioner’s efficiency. Firstly, because of the copper condenser, the product can provide better cooling performance. Besides that, the coils will last longer, as copper is less prone to corrosion.

Ocean Black Protection: Air pollution is a significant problem in India, especially in metropolitan cities. As it harms our health, it also has a detrimental effect on the air conditioner. This is where the protection comes into play. This feature protects both indoor and outdoor units from sand, salt, industrial smoke & pollutants. As a result, the lifespan of the product is significantly increased.

HD Filter: This one is certainly another notable feature. It allows the AC to protect you from the harmful effects of air pollution. This technology purifies the indoor air by removing various toxic substances like bacteria, viruses, pollen, dust. We noticed its effect fairly soon, once we started testing the AC out in a room. If you’re allergic to certain things, then this AC will certainly be an ideal option for you.

Active Energy Control: An AC can quickly increase your electricity bill. But fortunately, with this AC, you don’t have to worry about that. The Active Energy Control will be able to help you a lot- it limits power consumption from 40% to 80% compared to regular use. And it can save up to 57% of electricity.

Stabilizer Free Operation: Stabilizer Free Operation is another convenient feature we appreciate. Voltage fluctuation is a common problem in many parts of India, which can have a detrimental effect on your AC. But you’ll be safe from that when it comes to this AC. Stabilizer Free Operation can withstand enough voltage fluctuations. So you do not have to install the voltage stabiliser separately.

No, that’s not necessary.

No, you can’t.

No. They can move up and down but no horizontal movement.

Yes, it will.

At first glance, the appearance of the AC alone looks quite striking and powerful. There’s not much that we can say against it. If you want an AC with advanced features that run well, this is one you can reliably get.


Daikin is a Japanese air conditioning manufacturer known for making the best quality air conditioners worldwide. Daikin 1.5 Ton 5 Star Inverter Split AC comes with several advanced features and a reasonable price which undoubtedly makes the product one of the best air conditioners in India. Let us briefly talk about the unique features of this product.


Neo Swing Compressor: The feature that caught our attention first was this Neo Swing Compressor. First of all, the compressor provides excellent cooling performance. At the same time, it operates in smooth rotation resulting in much less mechanical friction and vibration. Therefore, the product makes much less noise. During our tests, we’ve also noticed that it has much less impact on electricity- likely because of the lack of friction.

Econo Mode: This one’s another incredibly convenient feature. The Econo Mode present in this AC can dramatically reduce your monthly electricity bill by limiting the maximum power consumption. On top of that, it stacks significantly on top of the power benefits provided by the Neo Swing Compressor.

Copper Condenser Coil: Copper is best for condenser coils because it has good heat transfer property. It is also less prone to corrosion, so the risk of damage is less. This AC comes with a 100% Copper Condenser Coil. Therefore, it can provide better cooling functionality, requiring less maintenance and lasting longer.

Coanda Airflow: This one is a unique feature. It ensures that powerful air drafts do not fall directly on your head. Instead, it goes up to the ceiling and spreads evenly to every corner of the room, so you get the best air conditioning experience.

Power Chill Operation: This Daikin AC also has a very fast cooling speed- much faster than what a standard AC can provide you. When you feel exhausted in the scorching heat, you want your room to cool down very quickly. This is when the Power Chill Operation feature comes in handy. It quickly lowers the room temperature at the touch of a button and gives you instant cooling.

Stabiliser Inside Operation: You do not have to install voltage stabiliser separately. It comes with an inbuilt voltage stabiliser to prevent damage from voltage fluctuations.

You’ll need to get the following: a plug, 3 core cables, water outlet pipe and a stand for the outdoor unit. You might also need to get an extra copper pipe. We advise buying these by yourself, because there’s a large chance that you might have to pay double if you try to get them from the installation person.

It’s good for a room size of 130 sq. ft.

The cooling capacity of the AC is about 5000 kilowatts.

To begin with, the performance is certainly outstanding. This AC is still a 5-star product in terms of energy rating, so it will save you a good amount of money in the long term. Plus, the installation process for this AC is also more streamlined than the LG AC earlier.


Carrier is a renowned AC manufacturer with an international reputation. Indian customers prefer Carrier brand air conditioners because of its advanced technology, high efficiency, reasonable price and satisfactory after-sales service.


FlxiCool HybridJet Inverter: This is the biggest highlight of this product. This unique FlxiCool HybridJet Inverter technology enables you to run the AC in four different modes, such as free-running, 100%, 75% and 50%. These convenient modes help you optimise the power consumption of the AC depending on your personal cooling needs and weather conditions. It’s an excellent feature because it can help prevent unnecessary wastage of energy and help to keep electricity bills low while giving the user full control over the AC’s power.

High Ambient Cooling: From the name alone, it can be rather hard to guess what this feature does. In fact, it’s not actually an active feature. You know, from May to July, the temperature rises dramatically in different parts of India. During this time, the temperature sometimes rises upto 48℃. A typical AC fails in this situation to provide adequate cooling performance. Such a situation is when the High Ambient Cooling mechanism comes into play. Even if the outside temperature rises to 52 ℃, it maintains adequate cooling inside the room.

Inbuilt Voltage Stabiliser: The Inbuilt Voltage Stabiliser of this AC can withstand high voltage fluctuations between 150V and 280V. We’ve run it through different voltages in our lab, and it has performed swimmingly. You don’t have to worry about it breaking down if such situations occur. We’ve also noticed that the cooling performance doesn’t degrade, not even when the voltage is as low as 195V.

Extra Features: There are some other small features that can stack up and offer you an incredible amount of convenience. The best among them are; Auto Restart, Timer Function, Child Lock, Self Diagnosis, Sleep Mode and the Refrigerant Leakage Detector.

It’s about 3 metres long.

No. The display turns off and comes back on after a button press.

No, it doesn’t come with any heating features.

The feature list alone is enough to give us a very good first impression. These features aren’t the ones you usually see on the market. If you can put up with the hassles during installation, this AC will certainly be a viable option. The product itself is definitely worth being amongst the best air conditioners in India.


Voltas is an Indian brand that specialises in AC and cooling technology. The brand is renowned for providing high-quality air conditioners at reasonable prices to suit the needs of Indian customers. This Voltas 1.4 Ton Inverter Adjustable Split AC is undoubtedly one of the best air conditioners in India with multiple modern features and attractive price. Now let’s see what it brings to the table.


Adjustable Inverter: First of all, let’s talk about the unique Adjustable Inverter technology this AC uses. The advantage of this technology is that it enables the AC to operate at different tonnages. Because of this feature, the AC can run at 1.4 tons or 1-ton capacity, depending on outside temperature and the number of people inside the room. It’s one of the features we think you’ll like the most. It provides you with adequate comfort in a variety of changing situations, but on top of that, it also helps keep your monthly electricity bill low by preventing wastage of energy.

High Ambient Cooling: This AC has been specially optimised so that it can give you the best cooling experience by being able to adapt at very high temperatures. We were even able to get it to cool incredibly well, even at an ambient temperature of 52 ℃.

Turbo Cooling: This AC has a pretty convenient fast cooling facility. When you return home exhausted in the scorching heat, you want your room to cool down as soon as possible. Turbo Cooling comes in handy at such times. This feature gives you instant comfort by cooling the room in a short time.

Multi-Stage Filtration: Another notable feature of the product is the advanced Multi-Stage Filtration. This feature removes various harmful particles, allergens and odours from the indoor air. So you always get fresh, pure, cold air. Besides, CO2 Reduction Technology effectively reduces the amount of carbon dioxide gas that accumulates in a closed room. The latter will practically be a lifesaver for you if you live in an urban area with heavy traffic, as it will keep you far more healthy than a regular AC can in such a situation.

Stabilizer Free Operation: Of course, like all the other high-end ACs on our list, this one comes with Stabilizer Free Operation. With this product, you do not have to use a voltage stabiliser separately at all. We were able to make it run flawlessly during our tests using voltages ranging from 100 V to 230V. The product description says it can take up to 290V, but it was starting to show issues when we raised the voltage up to that much.

No, you have to buy one separately.

No, it doesn’t.

The installation will take approximately 4 hours.

No. However, it’ll be good to get one just in case.

Voltas did a good job by adding an adjustable inverter mechanism. This feature alone elevates it above most air conditioners in the market. It’s already designed to consume little energy, and this feature adds to that energy efficiency. Even more, the general performance is good, despite its low power consumption.


Currently, LG is one of the leading brands in the Indian AC market. So we see that LG comes multiple times in the list of best air conditioners in India with different models. This 1.5 Ton 3 Star Inverter Split AC is an excellent product from LG, which comes with advanced technology and superior performance. Let’s look at some exciting features of this AC.


Dual Inverter Compressor: Let’s start with this feature first, as it’s one of the primary reasons we decided to take a look at this AC. The compressor is the most crucial component of an AC. The performance of the air conditioner depends mostly on its compressor. The product comes with a Dual Inverter Compressor. Due to the inverter technology, it can adjust the speed of the compressor depending on the cooling demand. As a result, it can provide faster cooling, makes less noise and helps reduce power consumption.

Himalaya Cool Technology: In hot summer, you need to cool down the room as quickly as possible when you return home being exhausted in extreme heat. At that time, this particular technology might come in handy. Whilst testing, we noticed that the AC was able to cool the room incredibly fast, all at the press of one button.

Active Energy Control: You’ve very likely read about the Active Energy Control feature earlier. It limits electric consumption by 40% to 80% compared to normal usage and saves up to 57% of the power, keeping your monthly electricity bill much lower.

HD Filter: This AC is also a very healthy option. It’ll take care of your body while giving it the cooling it needs. It had no issues getting rid of various harmful particles such as bacteria, pollen and dust mites, which we allowed to accommodate in the testing room for such a purpose.

Stabilizer Free Operation: You can also run this AC comfortably without a stabiliser. From our observations, we can say that it will run perfectly within a voltage range of 145V to 290V. So, you no longer have to worry about the worry of fluctuations.

Ocean Black Protection: This kind of protection is perfect for Indian weather. It protects both indoor and outdoor units from sand, salt, industrial smoke and pollutants. As a result, the AC is not easily damaged due to pollution and lasts for a long time.

No, it doesn’t.

The pictures don’t show it, but yes, it does. The display is at the bottom right.

No, only vertical swing.

It might seem like a basic version of the other LG 1.5 Ton AC at the top, and it is. However, if you liked the feature of the previous one and wanted something similar but cheaper, then this is the best AC you can get. It’s durable, powerful and a great value for money.


Hitachi is a premier air conditioning brand in India- it doesn’t even need an introduction. Indian consumers love Hitachi air conditioners for their advanced technology, high efficiency and long-lasting, seamless service. The Hitachi 1.5 Ton 5 Star Inverter Split AC is one of the best air conditioners in India, coming with several effective features.


Advanced Compressor: The product comes with a variable speed compressor, which can adjust the speed depending on the heat load inside the room. As a result, this AC prevents energy wastage, helps to keep electricity bills low, cools down the room very quickly, and minimises noise.

Tropical Inverter Technology: If you live in a place where the temperature rises very high during the summer, then this AC is perfect for you. One of our testing locations is actually located in such a place, and it generally has an ambient temperature of 52°C during incredibly hot days. The AC was able to run flawlessly once we tried to run it in there.

Copper condenser coil: This AC comes with a copper condenser coil. Copper has better heat transfer property, and it is less prone to corrosion. Even better, you get 100% copper on the coil, unlike some low-quality brands. Hence, this AC is capable of delivering better cooling performance, and it will also require very little maintenance.

Low Energy Consumption: It only has an Inverter for active power saving and no other extra features. However, the inverter is well optimised and does its job incredibly well. That’s why the AC has a 5-star BEE rating. Our experts themselves can give it a 5-star rating, or at least a 4 based on all the positive results we’ve gotten while checking it out for our review.

Penta Sensor: Not all ACs come with high-end sensors like this one does. It contains a microcontroller that can do several tasks efficiently. For one, it allows the AC to offer perfect cooling, even when the temperature is far higher than normal. Aside from that, it also optimises the loads while providing additional protection to the AC’s components at the same time.

It will generally start instantly or will have a 5-second delay at most.

It’s about 3 metres.

Yes, it does.

We advise trying out this AC for the Sensor alone, as it significantly increases the cooling efficiency of the AC. The overall performance is good, too. If you need a good AC for a medium-sized room, this is an option you can go for. It’s also a good choice if you need something inexpensive.


With nearly a decade worth of experience, the Japanese brand Sanyo brings you an AC equipped with the newest technology. This AC has the best inverter technology, PM 2.5, dust filters and several other unique features, which undoubtedly make it one of the best air conditioners in India.

This particular air conditioner, especially, is made with Indians in mind. With it, you’ll have optimal cooling at your home and save bills with the help of the Japanese inverter technology.


Sophisticated Inverter: The Dual Cool Inverter technology provides the highest levels of comfort. At the same time, it goes a long way in saving up your bills. There are two independent rotors used inside the compressor to ensure a faster and more energy-efficient cooling performance.

Glacier Mode: All ACs have a fast cooling mechanism, but none have as much of an effect as the Glacier Mode of this one does. It increases the fan speed by nearly 35% than that of normal and boosts the cooling process. Therefore, you can enjoy the comfort of instant cooling without worrying about wasting energy. Especially so, with the special power-saving features present.

Multiple Filters: The presence of the dust filter and the PM 2.5 filter ensures that you breathe pure air. The PM 2.5 filters can even get rid of pollutants like dust and suspended particles. Thus you can enjoy good health alongside high-quality cooling.

Enhanced Durability: Let’s talk about one of the features that make it more durable than standard ACs. Condenser coils can corrode over time. To prevent this issue, this AC uses Full Copper condenser coils, which are resistant to corrosion. Besides, the heat transfer is also faster, alongside low maintenance needs.

Eco Function: Last but not least, the Eco Function extends its ability to save your bills by optimising the performance efficiently. Additionally, the compressor also uses the powerful R32 refrigerant, which complements the Eco Function well. Not to mention, it’s very friendly to the environment as well.

Sanyo’s a Japanese brand, but the AC is made in India.

It consumes approximately 3 units of power in 24 hours. That can change based on a lot of other factors, though.

No, it doesn’t have any heating facilities to use in winter.

This is a good AC, but it falls short in some areas. These areas aren’t going to impact your experience, though. This AC is also ideal for summer. Though not in the descriptions, we’ve found that it can run well even when the temperature is around 52°C. So, you can rely on it during hot weather. Plus, this is also one of the best ACs in India when it comes to power savings.


The Panasonic 1.5 Ton 5 Star Wi-Fi Twin Cool Inverter Split AC comes next in our list of the best air conditioners in India. Panasonic is another widely known AC manufacturer on the Indian market. It’s a great addition to your home, offering excellent service while coming from a brand that’s entirely trusted. Let’s take a closer look at its features.

Panasonic 1.5 Ton 5 Star Wi-Fi Twin Cool Inverter Split AC

Advanced Compressor: The compressor in this AC is actually one of the best we’ve seen, which is one of the main reasons we decided to give it a go. The AC employs the newest Inverter Compressor technology, which operates at different speeds according to requirements. Thus, you can save a lot of energy. The compressor also regulates its power and switches between power-saving operations depending on the heat. Besides all that, it’s one of the ACs that create the least noise among others of the same category.

Voice Control: Considering how India is rapidly advancing with technology every day, Smart Homes are becoming common. This AC helps you take the same direction, with its smart Voice Control feature that can even work with Amazon’s Alexa. You don’t even have to look for the remote any longer, as you can efficiently operate it with your voice. We like this feature in particular- it doesn’t directly impact performance, but it can be really handy, especially in the dark. You don’t have to fumble with the buttons to change any of the AC’s settings.

Fast Cooling: It can cool the room well, and it can also do so in a near-instant. Its Powerful Mode boosts the fan speed to deliver cooling in the least amount of time possible.

Dehumidification: It’s always good to have active dehumidification in an AC, even if you don’t live in certain areas that generally have a lot of humidity. Moisture levels can go up very high during rainy days. When you switch on the Dry Mode in this AC, it will remove the moisture in the air in no time.

Quality Coils: Its coils are also very advanced, made out of 100% Copper. As Copper is one of the best conductors of heat, you’ll get incredible cooling performance. Copper coils don’t rust either, so you don’t have to spend a lot of effort into maintaining them.

Air Filters: It has sophisticated air filters to keep the air pure. Hence, you get to stay healthier. On top of that, its R32 refrigerant also keeps the earth healthy, with zero Ozone depletion. You can have its comforts at home and still contribute to saving the environment.

Blue Fins.

Yes, you can do that in Dry Mode.

It runs with an R32 refrigerant.

When it comes to balancing performance and convenience, this AC outdoes many other options on the market. On top of that, you also get the build quality that most Panasonic products are known for. The Dehumidification feature is a large plus point, too- not even some of the ACs in this list are capable of dealing with humidity as well as this one.


Whirlpool doesn’t merely produce the best refrigerators. They’re present in the Air Conditioner manufacturing space as well. You’ll find the same degree of quality their refrigerators are known for, in those products. Whirlpool refrigerators are renowned for their reliable performance in the most adverse circumstances. You can expect the company to bring in this level of excellence to their ACs.


Advanced Cooling Technology: This AC is filled to the brim with powerful tech that you normally wouldn’t see in normal ACs. To start with, this AC comes with a 6th Sense FastCool Technology. With it, you can have quick and uniform cooling in your room. Alongside this technology, there’s also the Intellisense Inverter technology which adjusts the AC’s power according to your cooling needs. As a result, the power consumption stays low. At the same time, the AC can still cool very well.

Fast Cool: This AC also makes use of advanced MPFI technology, which is quite a feat in its own right. It uses an innovative fusion of small circuitry and capillary design to provide instant cooling. To put it briefly, the Multi-Port Fluid Injection (MPFI) technology utilises a very distinctive 4×4 evaporator circuit design to ensure rapid exchange of heat.

Air Filters: Unlike regular ACs, this one comes equipped with HEPA filters, which are known to be very good at eliminating impurities in the air.

Easy to Maintain: There is also an in-built stabiliser that can withstand voltage fluctuations ranging from 145 to 290 volts. Besides, the self-diagnosis feature helps to detect errors and displays them on the temperature panel. As a result, you won’t be running into hassles while using it anytime soon.

The minimum temperature is 16°C.

No, it doesn’t.

yes, you’ll get a 10 feet pipe. If you need something longer, you’ll need to pay 250rs for every foot.

This one’s an excellent pick for an AC under Rs 30000. It has a great amount of thought put into its design. The feature list could be a little bigger and have more variety, but all the offered features are still powerful and make using the AC a very pleasant experience. It also comes with little but handy features which add to the user experience.


Voltas is one of India’s oldest air conditioner manufacturers. Therefore, they make ACs specifically meant for Indians, based on years of experience in the Indian market. According to our experts, this 1.5 Ton 3-star split AC is one of the best air conditioners in India. This unit comes with everything you’d need in a high-performance AC.


Good Cooling Capacity: Let’s start this out by having a look at its cooling abilities. This air conditioner cools your room instantly with its turbo mode. The High Ambient Cooling mechanism works simultaneously with the Turbo mode to let you have instant cooling even at 50°C.

Reliable Air Filters: As for the quality of the air, it will remain fresh even if the AC is cooling the room extremely fast. Your health will never be at risk with the 4 stage filtration system. Indeed, this system can quickly and efficiently get rid of allergens and other harmful particles. Even more, we also noticed that the AC is good at eliminating unpleasant odours. Therefore, you can enjoy the cold air with no issues.

Convenient Display: The Dual Display, while showing the set temperature and other settings, also shows you the room temperature. Due to it, setting the right temperature becomes easier. A lot of Split ACs don’t even have a temperature indicator in their indoor units, so we appreciate that the display on this AC is so detailed.

Easy to Use Remote: Modifying the settings during bedtime is also far more straightforward, as it has glow-in-the-dark remote buttons. These buttons assist you in changing the settings when you’re in the dark. An additional Lock Button also lets you lock your current settings to prevent them from accidental changes. It’s a good way to keep children from messing with the remote as well.

Good Durability: Of course, it’s not just power and features that make us consider this AC a great purchase. The Coil is made out of pure 100% Copper, so you get the best cooling, and the Coil also stays free from dust. It’s undoubtedly going to last you a long few years.

No, it doesn’t.

You can set the temperature to a minimum of 18°C.

Yes, but we highly recommend using it with one.

This one is another lower-end AC that’s a good choice to try if you’re on a tight budget. If you’re not, though, then we advise going for more powerful options. If you can’t, then you can still rely on this AC. It’s well equipped to deal with air quality in remote areas and busy city places.


Blue Star is an excellent brand for air conditioners. You might not have heard about them, but they’ve still produced some of the best air conditioners in India. Their air conditioners are diamonds in the rough, coming with smart features and packing loads of power. Though this is the last AC on our list, many of its features are good enough to compete with the other options.


Dehumidifier: During the rainy season, humidity in the air is always really high. This AC’s dehumidifier can help reduce the humidity inside the room, making you much more comfortable. All you need to do is select the mode on the remote, and the AC will do the rest of the job for you. The dust filter also goes a long way in keeping your atmosphere comfortable and safe.

Dual Rotor Inverter Compressor: Moreover, this Blue Star AC runs on a highly powerful Rotor Compressor with two compressor chambers. Therefore, your room will cool faster, the vibrations and noises will go down, and the compressor will last longer as well.

iFeel: Alongside all these conveniences, the AC also has the iFeel feature. It uses in-built sensors within the remote, ensuring the atmosphere of the room always remains comfortable. The brushless DC Motor also extends the motor’s life, further increasing the overall durability of the AC.

Convenient Maintenance: It’s a little pricey, but it makes up for that quickly with how easy it is to maintain. The Self-Diagnosis will help you keep the AC in good shape. The Self Clean feature further cuts down on the maintenance costs, saving your money in the long term.

No, it doesn’t.

It’ll be the best in a room that’s 15×20 ft. The smallest room it’s good for is a 10×12 ft one. Anything below, and you’ll end up wasting the AC’s power.

It should cost around Rs 4500-5000. This is a summation of the prices of labour, mounting brackets and other installation accessories.


We picked this AC because it’s fairly inexpensive but has good features and a 5-star energy rating at the same time. It has beyond average cooling ability. The motor is more powerful than standard ACs, too. For the most part, this one is a worthwhile choice. But, if you’re not short on budget, we advise going for our other picks, like the 5-star LG and Carrier ACs.

Because of global warming, the temperature is increasing every year. And with this, the demand for air conditioners has increased significantly. In the last five years, the demand for AC machines has increased tremendously in India, and the survey says that in India the demand will be highest in the next five years.

With the increasing demand for AC machines, new companies and new technologies are coming every year. Competition among the best air conditioner brands is on the rise. So, as a buyer, you should have some basic ideas about various features of an air conditioner before making a purchase.

In this buying guide, we will try to give you all the information you need. So that you can buy the best air conditioners in India for your home, let us discuss them one by one.


You know the air conditioner machine cools the room but have you ever wondered how it works?

Did you know that a refrigerator and an AC work primarily the same way? The only difference is that a refrigerator functions in a small space where the air conditioner maintains a comfortable temperature in your room.

Since this is not a technical article, we will not go too deep into science and try to understand it lightly. The AC machine uses a chemical that converts from gas to liquid and liquid to gas continuously, and absorbs heat from the room and releases it into the outside air.

An AC unit has three main components. These are compressor, condenser and evaporator. Usually, the evaporator is located in the indoor unit. The compressor and the condenser are situated in the outdoor unit.

At first the cooling gas or refrigerant arrives at the compressor as a low-pressure gas. The compressor’s job is to put a lot of pressure on this gas. At high pressure in the compressor, this gas becomes a high-pressure liquid and its temperature rises.

The refrigerant then exits the compressor as a high-pressure hot liquid and goes into the condenser.

When passing through the condenser coil, the hot refrigerant fluid releases heat into the outside air. The fan connected to the outdoor unit helps to do this more efficiently. Then the expansion valve lowers the pressure of this fluid. As a result, now the refrigerant turns into a low-pressure cold liquid.

This low-pressure cold refrigerant then passes through the evaporator coil located within the indoor unit. When it passes through the evaporator coil, it absorbs heat from the air inside the room.

After absorbing heat from the air inside the room, this refrigerant again returns to the compressor. And this whole process is repeated.

This whole process repeats continuously in a cycle until the room temperature reaches a specific desired temperature.

When the thermostat detects that the room temperature has reached the desired temperature, it stops the whole operation. When the air inside the room is heated again, the thermostat restarts the procedure, and the entire process continues.


There are mainly two types of air conditioners available for use at home — Split AC and Window AC. Let’s look at their advantages and disadvantages.

As the name suggests, a split AC consists of two units. One is the outer unit that is mounted on the outside wall. And the other is the indoor unit, which is mounted inside the room. An electric cable and copper pipes connect these two units.

The outer unit consists of a compressor and condenser on the other side indoor unit contains an evaporator and blower.

At first refrigerant or cooling gas arrives at the compressor as a low-pressure cold gas, a compressor puts a lot of pressure on it. And the cooling gas comes out from the compressor as high pressure and high-temperature liquid and goes into the condenser. While passing through the condenser coil, cooling gas releases heat to the outside air. And it turns into a low-pressure cold gas.

After that, this cold gas is passed through the indoor unit’s evaporator. While passing through the evaporator, the blower circulates the air of the room through it. As a result, the air in the room cools down, and we feel cold.

A split AC is technically way more advanced as compared to a window AC. Split AC is much more energy-efficient and versatile. In terms of performance, a split AC is a lot more powerful than a window AC.

Recently, the top AC companies are focusing more on split ACs. More advanced technology is being regularly integrated into Split AC.

Recommended Reading: Which are the 7 Top Best 1.5 Ton Split AC in India 2021?


A window AC consists of only one unit. In the case of window AC, the compressor and the blower reside within a single unit. The window AC is placed in a window frame. The blower’s side is toward the room, and the other side is in the open air outside.

You need to remember that window AC consumes much more electricity than split AC. So, even though you pay a lower price during the initial purchase, you have to incur much higher electricity costs consistently.

Also, in the case of window AC, Innovation is minimal, so control options are also limited.

Moreover, a window AC makes much more noise, and it is difficult to install.


As we discussed, a split AC is much more effective and energy-efficient than a window AC. So when you are choosing an AC for your home, you should select a split AC from the above list of best air conditioners in India.

Recommended Reading: Top 9 Best Window AC in India 2021: Review and Buying Guide from the Experts


In case you want to buy an air conditioner, but don’t like having them stuck to a wall, then you can go for portable ACs. These are known for their high mobility. Before you buy one, you should know that portable ACs are not the same things as air coolers. In fact, portable ACs are entirely different in function, and they’re more efficient than air coolers.

The portable ACs are more efficient because they use a compressor and coolant to cool, while air coolers use water and evaporation. However, they still have a few drawbacks when compared to a conventional AC.

Recommended Reading: Split AC vs Window AC – Which one should you buy?


The compressor is the most vital component of any AC. In

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