What Room Size Is Needed For A 1.5 Ton AC? (May 2025)

1.5 Ton AC is one of the best-selling sizes in air conditioners as it is neither too big nor too small, making it the most-suited AC size for medium rooms. Let’s figure out the top models in the 1.5-ton aircon size.

1.5 Ton AC
1.5 Ton AC For Room Size

Calculating which AC is best for your room size is not easy with so many varieties of capacities in the market. Among them, 1.5 ton ACs offer the maximum support for most rooms thanks to its versatile and flexible tonnage capacities, especially in the latest AC designs with convertible modes. For rooms that are 10 x 10 or 12 x 12, the safest bet would be a 1.5-ton AC as its suitability ranges from 111 - 170 sq. ft. in most cases. If your room comes under this category and you are looking for a new AC to expand your home solutions and electronics for better comfort in the summer, popular air conditioner brands in India like LG, Daikin, Voltas, and more could be of help. Their models are some of the best 1.5 ton AC with numerous benefits like dry modes for rainy seasons and faster cooling features like VIRAAT Mode and maximum tonnage capacity. Explore their prominent features along with pros and cons to learn which AC brand is best for your mid-sized room. 

Read More: Best AC Brand In India

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Top Seven Products

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    LG 1.5 Ton 5 Star DUAL Inverter Split AC

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    Powered by a dual inverter, this LG 1.5 Ton AC is designed for effective cooling and maximum efficiency. With an ambient temperature of 55 degrees, it is suitable for even the peak temperatures in India, and with Monsoon comfort, it offers relaxation during the rainy season when the humidity level is higher. It’s copper condenser coils are coated with the Ocean Black Protection, making its inner unit more long-lasting and the cooling quality being maintained for years to come. Users can choose among the 6 convertible modes which also include an AI and a fast cooling mode, VIRAAT Mode as per their needs. 

    Specifications:

    • Brand: ‎LG
    • Model: ‎US-Q19YNZE
    • Energy Rating: 5 Star (ISEER: 5.20)
    • Suitable Room Size: 111 to 150 sq. ft
    • Annual Energy Usage: ‎744.75 Kilowatt Hours Per Year
    • Noise Level: 31 dB
    • Voltage: ‎230 Volts

    Pros:

    • Dual Inverter 
    • Smart Diagnosis System
    • Monsoon Comfort

    Cons:

    • Some Instances of Installation Delay
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    Voltas 1.5 ton 3 Star, Inverter Split AC (Copper, 4-in-1 Adjustable Mode, Anti-dust Filter, 183V Vectra CAW, White)

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    Moving to a more affordable split AC which comes from one of the oldest but still one of the best AC brands in India, Voltas. Its 1.5 Ton AC variant has a variable speed compressor which helps you in deciding the AC tonnage according to the people in the room. Having an ambient temperature of 52°C, this is suitable for most places in India, excluding only a few hot zones. On the front panel of this Voltas Split AC, there is a hidden display that lets you know the temperature and goes away which adds to the sleek aesthetic and convenience. 

    Specifications:

    • Brand: ‎Voltas
    • Model: ‎183V Vectra CAW
    • Energy Rating: ‎3 Star (ISEER: 3.81)
    • Suitable Room Size: 111 to 150 sq. ft
    • Annual Energy Usage: 975.26 kWh‎
    • Noise: ‎38 dB
    • Voltage: ‎230 Volts

    Pros:

    • Anti Dust Filter For Effective Removal Of Allergens 
    • Anti Freeze Thermostats For an Extra Layer Of Protection For Condenser
    • 4 Adjustable Modes

    Cons:

    • Mixed Opinions On The Noise
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    Carrier 1.5 Ton 3 Star Wi-Fi Smart Flexicool Inverter Split AC

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    Offering personalized cooling of the next level, this Carrier 1.5 Ton Split AC offers easy handling of the scorching summers. Allowing the users to run the AC at 6 convertible modes, there are fewer chances of power being wasted on excessive cooling when there are fewer people. Being a smart AC with Wifi, the controlling method of this air conditioner is flexible with remote and voice commands through Alexa and Google Assistant. If you want faster cooling than normal, they have included an aptly named mode called Insta Cool for maximum cooling in a short amount of time.

    Specifications:

    • Brand: ‎Carrier
    • Model: ‎CAI18EE3R35W0
    • Energy Rating: 3 Stars (ISEER: 3.9) 
    • Suitable Room Size: 111 to 150 sq. ft
    • Annual Energy Usage: ‎952.68 Kilowatt Hours Per Year
    • Noise Level: ‎42 dB
    • Voltage: 230 Volts

    Pros:

    • Can Reach 120% Tonnage For Fast Cooling
    • Dual Filteration For Fresher Air 
    • Auto Cleanser For Low Maintenance

    Cons:

    • None As Such
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    Panasonic 1.5 Ton 5 Star Wi-Fi Inverter Smart Split AC

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    Known for their best Split ACs with smart features, Panasonic has included a new degree of convenience in their 1.5 Ton AC. Introducing the matter-enabled technology to the public with this AC, they elevated the status of their brand and offered users a much easier controlling technique with the MirAie App. Through the True AI mode, this is able to detect the heat load in the room and make necessary adjustments for cooling, leading to less hassle for users. The addition of a custom sleep profile, PM 0.1 Filter, and 4-way swing add extra value for the users and solidify its rank among the best ACs in India. 

    Specifications:

    • Brand: Panasonic
    • Model: ‎CS/CU-NU18AKY5WX
    • Energy Rating: 5 Stars (ISEER: 5.20)
    • Suitable Room Size: 120 to 170 sq. ft
    • Annual Energy Usage: ‎759.55 Kilowatt Hours
    • Noise Level: 34 dB
    • Voltage: ‎230 Volts

    Pros:

    • Maximum Power Saving
    • Voice Control
    • Stabilizer Free Operation For Fluctuating Voltage

    Cons:

    • Pricier Than Others
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    Daikin 1.5 Ton 3 Star Inverter Split AC

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    This Daikin air conditioner comes packed with exclusive features and is suitable for high temperatures. Working with a swing compressor, there is a low amount of noise and vibration to ensure less disturbance. After that, the copper condenser coils are layered with the patented DNNS Self Heal coating for faster heat transfer and more durability. The triple display allows users to monitor the power usage, temperature, and any error code that might arise during the cooling. For its refrigerant choice, it makes use of R32 gas, which is known for having no damage potential for the ozone layer. 

    Specifications: 

    • Brand: ‎Daikin
    • Model: ‎MTKL50U
    • Energy Rating: ‎3 star (ISEER: 4.00)
    • Suitable Room Size: 111 to 150 sq. ft
    • Annual Energy Usage: ‎966.47 Kilowatt Hours Per Year
    • Noise Level: ‎35 dB
    • Voltage: ‎230 Volts

    Pros:

    • 3D Airflow For Wide Reaching Air 
    • Econo Mode For More Power Saving
    • Power Chill Mode For Quick Cooling

    Cons:

    • None As Such
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    Lloyd 1.5 Ton 3 Star Inverter Split AC

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    Equipped with an inverter compressor, this Lloyd AC can automatically adjust power depending on heat load and room temperature. There are five cooling modes to operate in different ton as per your cooling needs. It is powerful enough to cool even at an Ambient temperature of 52°C. It has 2 2-way air swings for uniform cooling. You do not have to get an external stabilizer as the AC comes with stabilizer-free operation within the 140 - 280 voltage range. Get instant cooling in all corners of the room with a 4m long air throw, and a turbo cool feature. It gives you an alert for low gas detection, clean filter indication, and installation check. During a power cut, the AC gets auto restart. Anti-Viral + PM 2.5 Filter improves the indoor air quality. 

    Specifications

    • Annual Energy Consumption: 956.79
    • ISEER Value: 3.84
    • Noise Level: IDU - 32 (DB)
    • Cooling Power: 4.75 Kilowatts
    • Wattage: ‎1565.00
    • Material: Plastic, Metal
    • Energy Efficiency: ‎‎Energy Efficiency

    Pros

    • Decent cooling
    • Silent operation

    Cons

    • No cons
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    Blue Star 1.5 Ton 5 Star Smart Inverter Split AC

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    With built-in Wi-Fi, control and monitor the AC remotely through a smartphone, this Blue Star 1.5 Ton AC offers convenience and flexibility to the users. Through the AI Pro technology, users can intelligently adjust cooling intensity and fan speed based on ambient temperatures, ensuring maximum comfort without having to manually get the AC remote. There is a 4-way swing that ensures uniform air distribution across the room, which also helps in rapidly cooling down the room. The Active Carbon Filter purifies the air by removing odors and pollutants in the air which improves the health of the user and creates a serene environment. Plus, the smart scheduler feature lets users set the temperature for various hours throughout the day, saving them time and effort.

    Specifications:

    • Brand: ‎Blue Star
    • Model: ‎IC518ZNURS
    • Energy Rating: ‎5 Star (ISEER: 5.05)
    • Capacity: ‎1.5 Ton
    • Annual Energy Usage: ‎783.33 Kilowatt Hours
    • Noise Level: 45 dB

    Pros:

    • Dry Mode For Monsoon
    • AI Pro For Convenience

    Cons:

    • Mixed Opinions On Noise Level
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Why a 1.5-ton AC with Convertible Modes is Ideal for Most Rooms?

A 1.5-ton AC with convertible modes is one of the most versatile cooling solutions for medium to large rooms. Unlike traditional fixed-capacity ACs, convertible ACs adjust their cooling capacity based on room conditions, energy consumption, and user requirements.

A convertible AC allows you to adjust the cooling capacity according to your needs. For example, a 1.5-ton AC can operate as a 1-ton, 1.2-ton, or even 0.8-ton AC when full cooling isn’t required. This helps in reducing power consumption and increasing efficiency.

This allows users to relax and only use the AC as per their needs, making it more power-saving and versatile. If you have 1 ton AC then it might not be effective if guests are over, and 2 Ton ones are simply not required in mid-sized rooms, especially when the AC has convertible modes that go over 100%, like the LG dual inverter one. 

Read More: Best AC Brands In India

Disclaimer: At HerZindagi, we prioritize providing the up-to-date information on the latest trending commodities and goods. This Article is written and vetted by our in-house category authors in sync with the Google guidelines on product reviews and shoppable content. HerZindagi is in an associate partnership, so we may earn a part of the revenue when you make a purchase. We shall not be liable for any claim under applicable laws, including but not limited to the Consumer Protection Act, 2019, concerning the products. The products listed in this article are in no particular order of priority.

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Faq's

  • Is a 1.5-ton convertible AC suitable for all room sizes?
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    A 1.5-ton convertible AC is ideal for rooms between 110-180 sq. ft. It may be too powerful for smaller rooms and not sufficient for larger spaces above 200 sq. ft.
  • Which brands offer the best 1.5 ton ACs?
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    Top AC brands in India include LG, Daikin, Carrier, Voltas,, and Panaonic when talking about the finest 1.5 ton air conditioners.
  • Is a 1.5 ton AC good for bedrooms?
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    A 1.5-ton AC is ideal for medium-sized bedrooms (111 -170 sq. ft.), especially if the room has moderate sunlight exposure and proper ventilation.
  • Can a 1.5 ton AC cool two rooms?
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    A single 1.5-ton AC is only designed for one room. However, if doors are left open and airflow is great and not blocked by anything, it may provide a bit of cooling to an side small room.