Which Star Rating AC Is Best For Low Power Use? (May 2026)

The 5-star Split ACs are the best for lower electricity consumption bills, and leading brands like LG, Haier, Panasonic, and more have a wide range of models. Enjoy the powerful cooling with energy savings, and check out which star rating AC is Best for low power use?

Which Star Rating AC is Best For Low Power Use?
Which Star Rating AC is Best For Low Power Use?

The demand for efficient and reliable air conditioners is at an all-time high, as temperatures have already crossed the mark of 40 degrees. 5-star air conditioners are the best options for those seeking a split or window AC that leads to lower electricity bills. But these models come with a higher upfront cost as compared to the 3-stage models. The leading AC brands in India, like LG, Panasonic, Haier, Carrier, and more, have a wide range of models that are equipped with an inverter compressor, which allows adjusting the power as per the heat load, making it energy efficient, durable, and with less noise operation. Copper coils offered better heat dissipation, and the convertible mode allows setting the temperature as needed. Explore which star Rating AC is best for low power use. Check out the latest 5-star models on Amazon. 

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Best 5 Star ACs from Top Brands For Least Power Use

Say Goodbye to electricity bills with these 5-star split AC on Amazon from the leading AC brands like Haier, LG, Panasonic, and more that provide powerful cooling with less maintenance in peak summer months like May, June, July, and more. These AC brands offer models from many years that are built on trust and deliver powerful performance with minimal maintenance. Stay cool and comfortable with these top-notch models on Amazon that are loaded with smart features like smart connectivity, dust filter, smart diagnosis, and more for reliable performance. 

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Vetted Options

Every product we recommend is carefully selected through a thoughtful blend of primary research and in-depth analysis of trusted sources.

  • Haier 1.5 Ton 5 Star AI Climate Control Smart Split AC (5460W, Copper, HEXA Inverter, Heavy Duty, 4 Way Swing, Frost Clean, HD Filter, Cools at 60C, 20 mtr Air Throw- HSU19K-PYAIR5BN-INV, White)

    This 5 star air conditioner comes with a 1.5-ton capacity, which is ideal for medium spaces. It comes with a 7-in-1 convertible mode that allows setting the temperature as per the customer's needs. The supersonic cooling ensures instant cooling for quick relief. This Haier AC has been equipped with a Hexa inverter compressor that adjusts the power depending on the heat load. The 100% copper coil brings better heat dissipation, and the AI climate control senses the ambient temperature and sets the temperature as per the need for a more comfortable indoor environment. The 4-way swing, along with long air throw, leads to better coverage, leaving no hot spot in the room. This mode has been equipped with Haier blue fin coating that keeps the AC safe from rust and corrosion. This Haier split AC comes with an anti-bacterial filter that captures the dust, pollen, mold spores, and particles for clean and improved air quality. 

    Specifications:

    • BrandHaier
    • Capacity1.5 Tons
    • Cooling Power17000 British Thermal Units
    • Product Dimensions23D x 91W x 31H Centimeters
    • Model‎HSU18K-PYSS5BN-INV
    • Annual Energy Consumption‎744 Kilowatt Hours
    • Wattage‎1340 Watts
    • Manufacturer‎Haier Appliances India Pvt Ltd
    • Country of Origin‎India
    • Item Weight29 kg 300 g
    • ASINB0CXV55SLJ
    • Colour‎White

    Reasons to buy:

    The Frost self-clean feature deep cleans the indoor unit in just 15 minutes with the press of a button.

    The Monsoon comfort adjusts the humidity levels for comfortable indoor conditions.

    Reason to avoid:

    The electricity consumption in Supersonic mode is high.

    01
  • LG 1.5 Ton 5 Star,New star rated, DUAL Inverter Split AC (Copper, AI Convertible 6-in-1,VIRAAT Mode,Faster Cooling & Energy Saving,4 Way Swing, HD Filter with Anti-Virus Protection, US-Q19YNZE3,White)

    LG is a leading manufacturer of air conditioners, and this 1.5 ton model is ideal for medium spaces that come with a DUAL inverter compressor, it adjust the power as per heat load, making it energy-efficient, durable, and offering silent operation. The 5-star ratings lead to lower electricity bills. The 6-in-1 convertible mode allows you to set the temperature as needed. The VIRAAT mode operates at the highest capacity for instant cooling, sleep mode ensures low noise operation. This LG split AC comes with stabilizer-free operation that ensures safety from voltage fluctuations. The 100% copper coil offers better heat dissipation, and the ocean black protection keeps the AC safe from rust and corrosion. The Monsoon comfort mode adjusts the humidity levels to keep the indoor air cool and comfortable. This LG air conditioner has an HD filter with anti-virus protection that ensures a clean and safe indoor via removing dust, pollen, allergens, and more. The 4-way swing, along with 50 Ft air throw, ensures better coverage, leaving no hot spot in the room. 

    Specifications:

    • BrandLG
    • Capacity1.5 Tons
    • Cooling Power5 Kilowatts
    • Product Dimensions21D x 99.8W x 34.5H Centimeters
    • Model‎US-Q19YNZE
    • Annual Energy Consumption‎744.75 Kilowatt Hours Per Year
    • Noise Level‎31 Decibels
    • Wattage‎1290 Watts
    • Voltage‎230 Volts
    • Manufacturer‎LG Electronics India Pvt. Ltd.
    • Country of Origin‎India
    • Item Weight41 kg
    • ASINB0DRG7M72Z

    Reasons to buy:

    The Diet mode operates at optimized energy consumption with optimum cooling performance.

    The Auto clean feature prevents the AC from mold and bacteria by drying up the AC interior.

    Reason to avoid:

    The VIRAAT mode consumes too much energy.

    02
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  • Panasonic 1.0 Ton 5 Star, New Star rated, Premium WiFi Inverter Smart Split AC (DustBuster Tech, Matter Enabled, AI, Higher Airflow, Copper Cond., 8in1 Convertible,4-Way,PM0.1 Filter,CS/CU-NU12BKY5W,White)

    Panasonic air conditioners are known for their heavy-duty performance, and this 1 ton split AC is good for small spaces. It has been equipped with 100% copper coil for better heat transfer and powerful cooling in peak summers. The 8-in-1 convertible mode allows you to set the temperature as needed. The Inverter compressor adjusts the power depending on the heat load, making it super energy efficient, durable, and ideal for home use. The 5 star air conditioner ensures lower electricity bills but comes with a higher upfront cost at the time of purchase. The higher air flow with 4-way swing ensures better coverage of the space, leaving no hot spot in the room. This Panasonic split AC comes with stabilizer-free operation that keeps the AC safe from voltage fluctuations, and the convertible mode allows you to adjust from 40% to the highest capacity as per the need. The Dustbuster feature in this model auto clean the outdoor unit for steady cooling, better efficiency, and longer lifespan. 

    Specifications:

    • BrandPanasonic
    • Capacity1.5 Tons
    • Cooling Power17402 British Thermal Units
    • Product Dimensions24.9D x 104W x 29.6H Centimeters
    • Model‎CS/CU-NU18AKY5WX
    • Noise Level‎34 Decibels
    • Wattage‎1270 Watts
    • Manufacturer‎Panasonic India Private Limited
    • Country of Origin‎India
    • ASINB0DSVRY811

    Reasons to buy:

    Control your air conditioner with the Miraie app for voice control.

    Custom sleep profile ensures no midnight chills and better rest time.

    The PM 0.1 filter removes the dust, pollen, viruses, and more for a clean and refreshing indoor.

    Reason to avoid:

    External installation charges.

    03
  • Godrej 1.5 Ton 5 Star, 5 Years Comprehensive Warranty, AI powered, 5-In-1 Convertible Cooling Inverter Split AC (Copper, 2025 Model, Heavy Duty Cooling at 52 C, AC 1.5T EI 18II5T WZS Split 5S, White)

    Coming with 5 in1 convertible cooling mode, this Godrej 1.5 ton 5 star inverter split AC will comfort you during the peak summer season. Even if this air conditioner runs for the whole night or day, it consumes less electricity, so you do not have to pay high bills. It operates at a cooling capacity ranging from 40% to 110%, so that you can adjust the cooling capacity as per your convenience, thus helping in saving energy. Through a 100% copper evaporator and condenser with Blue Fin Anti-Corrosion coating, it ensures durability and heavy-duty performance for uninterrupted, powerful cooling. Equipped with i-sense technology, this AC smartly senses the ambient temperature to deliver cooling accordingly. Removed dust particles and bad odor indoors as it has a pure air filter. Self-cleaning technology reduces moisture and prevents microbial growth to offer hygienic cooling.

    Specifications:

    • BrandGodrej
    • Capacity1.5 Tons
    • Cooling Power4.8 Kilowatts
    • Product Dimensions23D x 100W x 29.5H Centimeters
    • Model‎AC 1.5T EI 18II5T WZS Split 5S
    • Annual Energy Consumption‎728.31 Kilowatt Hours Per Year
    • Voltage‎230 Volts
    • Wattage‎1200 Watts
    • Manufacturer‎Godrej & Boyce Mfg. Co. Ltd.
    • ASINB0DSVRQJHY
    • Item Weight11 kg
    • Noise Level‎38 Decibels

    Reasons to buy:

    The installation process is quite smooth and customers are satisfied.

    The energy efficiency is top notch as 5 star ratings leads to lower bills.

    Reason to avoid:

    None as of now.

    04
  • Lloyd 1.5 Ton 5 Star Inverter Split AC (5 in 1 Convertible, Anti Corrosion Coating, Copper, PM 2.5 Filter, White with Chrome Deco Strip, GLS18I5KWGGW)

    With the ability to transition from 30% to 110% tonnage, the Lloyd 1.5 ton AC offers 5 cooling modes that make it ideal for every situation. It has one of the highest ISEER values, which indicates how energy efficient this model is compared to many 5-star ACs. This split AC notifies the user in case the filter needs cleaning or the refrigerant gas is about to run out, which makes it simpler to ensure that the cooling quality is the same. To make sure that users don’t have to repeatedly set the same settings in power outages, the auto restart feature makes it possible. The use of R32 refrigerant adheres to the environment-friendly practices to ensure that the ozone layer is protected. 

    Specifications:

    • BrandLloyd
    • Capacity1.5 Tons
    • Cooling Power4.8 Kilowatts
    • Product Dimensions22D x 98.2W x 32H Centimeters
    • Model‎GLS18I5KWGGW
    • Annual Energy Consumption‎715.07 Kilowatt Hours
    • Noise Level‎37 Decibels
    • Wattage‎1185 Watts
    • Voltage‎230 Volts
    • Colour‎White
    • Manufacturer‎LLOYD
    • Country of Origin‎India
    • Item Weight39 kg 300 g
    • ASINB0DZ6B4K8C

    Reasons to buy:

    The cooling performance and the overall build design is mentioned by some users on Amazon.

    Low energy consumption leads to lower electricity bills and some customers are appreciating it.

    Reason to avoid:

    Some customers pointed out the issue for noise in the outdoor unit.

    05
  • Blue Star 1.5 Ton 5 Star, 60 Months Warranty, Wi-Fi Smart Inverter Split AC (Copper, Convertible 5 in 1 Cooling, AI Pro, DigiQ Hepta Sensors, 4 Way Swing, IE518ZNURS, White)

    Blue star is one of the Indian manufacturers that has reliable models for top notch cooling performance. This 1.5 ton split AC is ideal for small to medium spaces. The 5 star ratings ensure lower energy consumption and it comes with 5 in 1 convertible mode that allows adjusting the temperature as per the need. The 100% copper coil ensures faster cooling while keeping the AC safe from voltage fluctuations. The turbo mode offers quick cooling for instant relief, dry mode is ideal to control humidity levels and eco mode offers optimum cooling while consuming less power. This Blue Star AC comes with Hexa Inverter technology that provides enhanced performance even at high ambient conditions, delivers effective energy savings and enhanced comfort for the user. The wifi connectivity of this AC allows you to control it via your smartphone. 

    Specifications:

    • BrandBlue Star
    • CapacityTons
    • Cooling Power17435 British Thermal Units
    • Product Dimensions22.9D x 95W x 32H Centimeters
    • Model‎IE518ZNURS
    • Annual Energy Consumption‎783.33 Kilowatt Hours Per Year
    • Wattage‎5110 Watts
    • Voltage‎230 Volts
    • Manufacturer‎Blue Star Limited
    • Country of OriginIndia
    • ASINB0FT8HVP1D
    • Item Weight42 kg 800 g

    Reasons to buy:

    Most of the customers are satisfied with cooling performance and overall product.

    The after sale service is also good as per some users on Amazon.

    Reason to avoid:

    None as of now.

    06
  • Carrier 1.5 Ton 5 Star Wi-Fi Smart Flexicool Inverter Split AC (Copper, Convertible 6-in-1 Cooling,Smart Energy Display,HD & PM 2.5 Filter, ESTER EDGE FXi (Wi-Fi), CAI19EE5R35W0,White)

    This 1.5 ton inverter AC comes with 6 in 1 convertible mode that allows it to adjust the temperature as per the need. Carrier air conditioners are known for their heavy duty performance throughout the year and 5 star ratings ensure lower energy consumption with high cooling performance. The 100% copper coil with anti corrosion coating makes it ideal for precise cooling with good life. The stabilizer free operation keeps the air conditioner safe from voltage fluctuations. The PM 2.5 filter traps the finest particles for clean indoors while Insta cool mode ensures faster cooling for quick relief from outside weather conditions. The hydro blue coating ensures long lasting comfort keeping it safe from rust. The sleep mode of this split AC works with less noise operation with optimum cooling in peak summers. The dry mode adjusts the humidity levels in peak months that maintain the room temperature. 

    Specifications:

    • BrandCarrier
    • Capacity1.5 Tons
    • Cooling Power5000 Kilowatts
    • Product Dimensions20.5D x 94W x 27.5H Centimeters
    • Model‎CAI19EE5R35W0
    • Annual Energy Consumption‎754.05 Kilowatt Hours Per Year
    • Noise Level‎44 Decibels
    • Voltage‎230 Volts
    • Wattage‎5760 Watts
    • Manufacturer‎Carrier Midea India Private Limited
    • Country of Origin‎India
    • ASINB0DSXJFF5H
    • Item Weight37 kg 400 g

    Reasons to buy:

    The 4 fan speed allows to adjust the air throw as per the need.

    Customers appreciate the cooling capacity along with energy efficiency.

    Reason to avoid:

    None as of now.

    07
  • Voltas 185V Vectra CAR 1.5 ton 5 star inverter Split AC|4-IN-1 Adjustable mode|Energy Efficient|High ambient Cooling-cools even at 52C|Anti dust filter with Anti-microbial coating|Copper Coil|White

    Offering 4in1 adjustable modes, the Voltas 1.5 Ton AC 5 Star comes with an inverter compressor so that users can change the tonnage based on whether there are fewer people or guests in the room. With the 1.5 ton AC size, it is well-suited for a room up to 150 sq. ft, which also happens to be the size of most areas in Indian households. There are copper condenser coils with an anti-corrosive coating, so that users can enjoy lower maintenance and higher cooling for more years to come. Apart from that, there is the LED display on the front panel, which makes it easier to check the temperature, even at night. Additionally, the self-diagnosis features enable simpler solutions to most issues that arise in the AC's operation.

    Specifications:

    • BrandVoltas
    • Capacity1.5 Tons
    • Cooling Power4850 Kilowatts
    • Product Dimensions23D x 96W x 31H Centimeters
    • Model‎185V Vectra CAR
    • Annual Energy Consumption‎4850 Watts
    • Noise Level‎38 Decibels
    • Voltage‎230 Volts
    • Wattage‎4850 Watts
    • Manufacturer‎Voltas
    • Country of Origin‎India

    Reasons to buy:

    Overall a good split AC with powerful cooling and affordability as per customer on Amazon.

    The convertible mode allows adjusting the temperature as per customers needs makes it perfect for everyday use.

    Reason to avoid:

    Many customers found water leakage issues with this model.

    08

Which is better 3 star or 5 star AC?

A 5-star AC uses less electricity than a 3-star AC for the same amount of cooling, which makes it a good choice for people who use their AC for many hours daily, especially during summer. Even though a 5-star AC costs more at first, it helps you save money in the long run through lower electricity bills. On the other hand, a 3-star AC is cheaper to get initially but might be slightly more expensive overall. So,  go with the best 5-star ACs for long-term savings and better energy efficiency, and a 3-star AC if your usage is low and you want a budget-friendly option.

Top 1.5 Ton 5-Star AC Models: Features Compared

The following table compares top-rated 5-star models based on their energy efficiency and standout technology:

Brand & Model

Key Efficiency Feature

Annual Power (Approx.)

Unique Value

LG Dual Inverter (US-Q19YNZE)

AI Convertible 6-in-1

744 kWh

Best for quiet operation and smart AI cooling.

Lloyd Stellar Art (GLS18V5FBGST)

High ISEER (5.35)

715 kWh

Highest energy efficiency in its class for 2026.

Panasonic Premium (CS/CU-NU18AKY5WX)

Matter-Enabled Wi-Fi

774 kWh

Top choice for smart home tech and air purification.

Daikin Inverter (MTKM50U)

Coanda Airflow

740 kWh

Known for superior build quality and even cooling.

Godrej AI-Powered (AC 1.5T EI 18II5T WZS)

Heavy Duty (up to 52°C)

728 kWh

Affordable 5-star option with heavy-duty cooling.

Blue Star Wi-Fi (IE518ZNURS)

DigiQ Hepta Sensors

783 kWh

Robust build with precise sensor-based cooling.

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Faq's

  • Are higher star rating ACs more expensive?
    Yes, higher star rating ACs like 4-star or 5-star models are more expensive initially. They do offer better savings in electricity costs and are more eco-friendly.
  • Which AC brand is best for 5 star models?
    LG, Haier, Voltas, Panasonic and Lloyd are renowned for their effective energy saving with powerful inverter compressor.
  • What does the star rating on an AC mean?
    The star rating, given by the Bureau of Energy Efficiency (BEE), shows how energy-efficient an appliance is. The higher the stars, the better the efficiency.

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