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How to choose best Air Conditioner in 2020: A detailed buying guide

The climate change in recent years have increase global temperature a few notch higher than normal. The unwarranted rise in the temperature has pretty much necessitated use of Air Conditioners. There is huge increase in use of ACs to dodge the scorching heat of summers. However it is necessary to know how to buy a right Air Conditioner for any particular purpose. We will be discussing how to select right Air Conditioner to buy for your home requirement.



There are lot of factors to keep in mind while buying an AC. These factors are, type (Windows or Split), Power consumption, Capacity, Inverter technology, warranty, and other features for ease of access. Let us discuss all one by one.

1. Type of Air Conditioner

Type of Air conditioners can be selected based on room design, space and budget. Air conditioners are basically of two types: 1) Windows ACs & 2) Split ACs

I.   Windows ACs

Windows ACs are most commonly used and much easier to install. All the components of AC are assembled in a single box. Windows ACs don’t need any drilling in wall to conceal air tubes and installed generally on the Windows available. These are more suitable for smaller rooms and less costly than Split ACs. But Windows ACs are noisier than the Split ACs

II.  Split ACs

As the name suggests, Split ACs consists of two units: Indoor Unit and Outdoor Unit. Due to split design they are difficult to install and need drilling in walls. Split ACs can be fit into any wall, they are less noisier and cool faster. Split ACs are costlier than Windows AC.

2. Capacity of Air Conditioner

Capacity is very important factor to consider while buying an AC. Capacity of an AC directly affect the cooling. Capacity of Air Conditioner can be decided based on the location, room size, design (Windows), and room temperature.

The cooling capacity of AC is rated in ton. 1ton capacity of an AC unit equals 12000 BTU (British Thermal Units) per hour. You can decide on tonnage capacity based on your room size as follows:

Room Size

Recommended Capacity of AC

0 to 80 square feet

0.75 Ton

80 to 120 square feet

1 Ton

120 to 200 square feet

1.5 Ton

200 to 300 square feet

2 Ton

Note: Actual data may vary according to location, temperature and humidity.

3. Power Consumption

Power consumption is needed to be taken care of as ACs with less power consumption will lead to a lot of saving in terms of electricity bills. ACs with higher star ratings are costlier but consume less energy than low star rated ACs. These star ratings are provided by Bureau of Energy Efficiency (BEE). Hence it is recommended to go for higher star rated AC if possible.

4. Inverter Technology

Inverter technology is quite famous in these days.  Inverter ACs are more energy efficient, less noisier,  and provide better and quick cooling consistently. Inverter ACs offer consistent cooling by varying speed to cool evenly and maintain constant temperature. Inverter ACs are long lasting power efficient as they don’t need to touch maximum cooling speed frequently. However the Inverter ACs will cost higher than non-inverter ACs.

5. Condenser Coil Material

AC units work is based on condensation, compression, and evaporation. The entire procedure involves moving the refrigerant gas inside the coils. These coils are mainly made of two materials, Copper and Aluminium. Copper coils have higher efficiency of heat transfer, stronger and easy to maintain. However Aluminium coils are more malleable and less prone to rusting.

The Copper coils cool faster and have longer lifespan as compared to alumininum coils.

6. Type of refrigerant used

Refrigerants are important part of ACs, they absorb the heat from the room and throw out the heat outside the room. They remain in form of gas and compressed by the compressor at high pressure. There are several types of refrigerants such as Chlorofluorocarbons (CFCs), Hydrochlorofluorocarbons (HCFCs), Hydrofluorocarbons (HFCs) and Hydrocarbons (HCs).

CFCs (R12) have been discontinued from use after the Montreal protocol due to their harmful effect on Ozone layer. HCFCs (R22) are also not eco-friendly, so they will be phased out in upcoming years. The HFCs have minimal impact on Ozone, hence they are eco friendly and are more commonly used. The HFCs include R410A, R32 and R134 refrigerants. Hydrocarbons (HCs) are most eco-friendly and include R290 and R600A coolants. These refrigerants have zero effect on the ozone layer & have high energy efficiency.

7. Features

There are lot of features to keep in mind ranging from, sleep mode, anti-bacterial filter, WiFi enable ACs, Dust control, auto-cleaning etc. You can select depending on your requirements and budget.

·  Anti-Bacterial Filter: Eliminates tiny harmful substances and microorganisms such as pollen, dust mites, bacteria and pet dander, etc.

·  Cooling & Heating: Now many of the ACs come with in-built heater, so that you can stay warm and cozy during winter.

·  Dehumidifier: Removes excess moisture in the air during the monsoon season.

·  Auto-Clean Function: Prevents growth of harmful micro-organisms by keeping moisture away.

·  Sleep Mode: Saves on power bills by reducing cooling every hour. Prevent from over cooling during night and make you sleep more sweetly.

·      WiFi Enabled ACs: To control cooling, while you are away from your AC.

8.  Brand and After Sale Service

Quality of products depends on the brand and after sales service. ACs need regular maintenance, hence it is important that the AC brand your are selecting has good after sales service.


You can decide bon buying AC considering the above features and aspect along-with keeping in mind your purse (Budget). As the plethora of ACs available in the market with great features, but you have to decide on the basis of your requirement and budget. We are listing few top ACs in India 2020 below for your reference. However it is your intellect to decide what is best for you.

You may also like to see how to buy best air coolers in India

Best Air Conditioners in India 2020

1. Godrej 1 Ton 5 Star Inverter Split AC (Copper GIC 12GTC5-WSA 5S White)

Description: Godrej.jpg

Best Features:

· Split AC; 1 ton capacity; Turbo Mode

· Warranty: 1 year on product, 1 year on condenser, 10 years on compressor

· Split AC with inverter compressor

· Suitable for small sized rooms (< = 110 sq ft)

· Energy Rating: 5 Star. Annual Energy Consumption: 611.29 units. ISEER Value: 4.50

· Copper Condenser Coil: Better cooling and requires low maintenance

· Refrigerant gas: R32. No ozone depletion potential and low global warming potential

2. Carrier 1.5 Ton 3 Star Split Inverter AC with PM 2.5 Filter

Description: Carrier.jpeg

Best Features:

· 1.5 Ton : suitable for room size up to 150 sq ft

· 3 Star BEE Rating 2019 : For energy savings upto 15% (compared to Non-Inverter 1 Star)

· Auto Restart: No need to manually reset the settings post power-cut

· Copper: Energy efficient, best in class cooling with easy maintenance.

· Sleep Mode: Auto-adjusts the temperature to ensure comfort during your sleep

3. Hitachi 1.5 Ton 5 Star Inverter Split AC (CopperKASHIKOI 5100x RSB518HBEA.Z White)

Description: Hitachi.jpg

Best Features:

· Split AC with inverter compressor

· Capacity: 1.5 Ton. Suitable for medium sized rooms (111 to 150 sq ft)

· Energy Rating: 5 Star. Best in class efficiency. ISEER Value: 4.7

· Manufacturer Warranty : 1 + 1 year Additional Warranty, 5 years Controller Warranty and 10 years Compressor Warranty

· Copper Condenser Coil: Better cooling and requires low maintenance

· Refrigerant gas: R410A. No ozone depletion potential

4. Blue Blue Star 1.5 Ton 5 Star Inverter Split AC (Copper, BS-5CNHW18PAFU, White)

Description: Blue_Star.jpg

Best Features:

· Split AC; capacity 1.5 ton, 5 Star energy rating

· Warranty: 1 year on product, 1 year on condenser, 10 years on compressor

· Precision cooling technology (0.1oC)

· Brushless DC motor, 7 advanced filters, Cold plasma technology

· Automatic 4D swing, Dual rotor inverter compressor

5. Daikin 1.5 Ton 5 Star Inverter Split AC (Copper FTKF50TV White)

Description: Daikin.jpg

Best Features:

· Split AC with inverter compressor, Capacity: 1.5 Ton

· Energy Rating: 5 Star: , Annual Energy Consumption (as per energy label): 767 units, ISEER Value: 5.33

· Manufacturer Warranty: 1 Year on Product, 1 Year on Condenser, 10 Years on Compressor

· Copper Condenser Coil: Better cooling and requires low maintenance. Operating current 5.8

· Stabilizer Inside, Econo Mode, Indoor Unit Quiet Operation, Coanda Airflow, Power Chill Operation

· Refrigerant gas: R32 - Environmental friendly - no ozone depletion potential

6. LG 1.5 Ton 5 Star Dual Inverter Split AC (Copper, KS-Q18HNZD, White, Hi Grooved Copper)

Description: LG_1.5Ton.jpg

Best Features:

· Split AC with inverter compressor, Capacity: 1.5 Ton. Suitable for medium sized rooms (111 to 150 sq ft)

· Energy Rating: 5 Star. Best in class. Efficiency Annual Energy Consumption: 835.50 units. ISEER Value: 4.

·  Warranty: 1 Year (Comprehensive), 10 Years (Compressor with Gas Charging T&C) I 5 Years warranty on PCB (Purchase made in the period 19th February 2020 to 30th June 2020)

· Copper with ocean black protection: Prevents from Rust & Corrosion; Increase Durability ; Uninterrupted Cooling

· Special features: Magic Display, HD Filter, 2 Way Air Swing, DUAL Inverter, 100% Copper, Ocean Black Protection, Himalaya Cool, Monsoon comfort, Low refrigerant detection

· Smart Diagnosis System, EZ Clean Filter, Comfort Air, Gold Fin, Stablizer Free Operation(145~290V), Cools @ 52° C, Auto Clean, Sleep mode

· Refrigerant gas: R32. Environment friendly - no ozone depletion potential and low global warming potential

7. Voltas 1.5 Ton 5 Star Inverter Split AC (Copper SAC_185V_JZJ White)

Description: Voltas1.5Ton.jpg

Best Features:


  • Split AC with inverter compressor: Variable speed compressor which adjusts power depending on heat load. It is most energy efficient and has lowest-noise operation
  • Capacity: 1.5 Ton. Suitable for medium sized rooms (111 to 150 sq ft)
  • Energy Rating: 5 Star. Best in class efficiency. Annual Energy Consumption: 892.32 units. ISEER Value: 4.51 (Please refer energy label on product page or contact brand for more details)
  • Manufacturer Warranty : 1 year on product, 1 year on condenser, 5 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance
  • Special Features: Antibacterial_Filter;Dust_Filter;Air_Purifier
  • Refrigerant gas: R32
  • Included in the box: Indoor Unit, Outdoor Unit, Remote Control, User manual, Warranty Card


8.   Whirlpool 1.5 Ton 5 Star Inverter Split AC (Copper, 1.5T MAGICOOL PRO 5S COPR INVERTER, White)


Description: Whirlpool.jpg

Best Features:

· Split AC; 1.5 ton capacity

· Energy Rating: 5 Star

· Warranty: 1 year on product, 1 year on condenser, 10 years on compressor

· 6th sense fast cool technology, 100% Copper

· Intelli-sense inverter technology

· Cools even at 55 degree

· Stabilizer free(145v-290v)

· R-32 eco refrigerant


Note: The list mentioned above is based on author’s discretion. Present Mirror does not guarantee correct sequence and fact that these are Best Air Conditioners in India in 2020 right now, as the list may change on day to day basis. User decision is important while deciding on best AC for them based on their requirements.

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