Which AC Gives Less Electricity Bill? Top 5 Star Inverter models From Trusted Brands (2025)

The Haier 1.5 ton split AC comes with a triple inverter compressor technology to provide optimal cooling while minimizing energy consumption and thus ensures lower electricity bills as well. This 5-star AC boasts high energy efficiency and uses frost clean technology which enables one-click cleaning of the entire unit in under 21 minutes for hassle-free usage. Built with a durable copper condenser coil and flame-resistant materials, this inverter air conditioner ensures long-lasting and safe operation even during mild voltage fluctuations. You can experience uniform cooling with its 20-meter long air throw range and 4-way swing technology that distributes the air evenly all across the room. While already offering a quiet performance at 42dB, it also has a special quiet mode that lowers the noise level to 34dB for undisturbed sleep.

Specifications:

• Model Number: HSU18K-PYSS5BN-INV
• Energy Efficiency: 5 star
• Annual Energy Consumption: 744 Kilowatt Hours
• Noise Level: 34 dB
• Capacity: 1.5 Tons
• Cooling Power: 17000 British Thermal Units
• Dimensions: 23L x 91W x 31H cm
• Weight: 29 kg 300 g

Pros:

• Inbuilt HD filter
• Cools even at 60 degrees Celsius
• 100% grooved copper for quick cooling

Cons:

• No particular cons

Another air conditioner option in a 5-star, which uses less electricity, is Daikin. This 1.5-ton inverter split AC is appropriate for medium-sized rooms of up to 111 to 150 sq ft. It comes with a dew-cleaning technology to ensure clean air indoors. It has a copper condenser for better cooling and also requires low maintenance. With an ambient operation, it can cool the room even at 54°C. In order to help you save money, it has a triple display that has the widest range of compressor frequencies. Equipped with a PM 2.5 filter, it can trap fine particles inside. Get uniform cooling with 3D airflow so that cooling reaches throughout every corner of the room. You do not have to get a stablizer as it has the same inside. For faster cooling, the offered Daikin AC has the feature of power chill operation. 

Specifications:

• Brand: ‎Daikin
• Annual Energy Consumption: ‎785.67 Kilowatt Hours Per Year
• Noise Level: ‎38 dB
• Voltage: ‎230 Volts
• Wattage: ‎1325 Watts
• Special Features: ‎‎3D Airflow
• Cooling Power: 5.28 Kilowatts

Pros:

• Efficient and quick cooling
• AC functioning is good

Cons:

• A few users complained of water leakage from the indoor unit.

Wondering which AC gives less electricity bills? Then experience efficient and customized cooling with the LG 1.5 ton 5 star split AC that comes with a variable speed compressor to adjust performance based on room occupancy thus save energy. This LG 1.5 ton AC comes with an AI 6-in-1 convertible feature that lets you operate the AC in 6 different modes ranging from 40% to 110% capacity depending on your needs and ensure no power is wasted. The powerful air circulation and 4-way swing technology ensures a uniform cooling throughout the room making this 1.5 ton AC a good option for medium-sized families. Made from high-quality copper condenser coil with Ocean Black coating, its tough build provides durability and resistance to rust and corrosion that extends the AC's lifespan as well. Apart from cooling, this AC also lets you breathe clean and hygienic air with the HD filter and anti-virus protection which traps dust particles and allergens and ensures a healthy living environment.

Specifications:

• Model Number: US-Q14YNZE
• Capacity: ‎1 Tons
• Annual Energy Consumption: 515.84 Kilowatt Hours Per Year
• Noise Level: ‎21 dB
• Voltage: ‎230 Volts
• Wattage: ‎870 Watts
• Cooling Power: 3.5 Kilowatts
• Dimensions: 18.9D x 83.7W x 30.8H cm
• Weight: 32 kg 500 g

Pros:

• 4 way swing
• Auto clean technology
• Special VIRAAT mode for 110% condenser capacity

Cons:

• No particular cons

Looking for powerful home cooling with less electricity bills? Then Panasonic 1.5 ton 5 star split AC offers a high 703CFM airflow that is perfect for rooms sized in 120 to 170 sq ft range. With a high operating temperature of up to 55 degrees Celsius and seven different modes, this inverter AC is ideal for the peak summer climate of India. Its 5 star rating ensures high energy efficiency and it operates without a stabilizer within a 100 to 290V range so you can use it even during mild voltage fluctuations. Built with a high-quality copper condenser coil, this split AC is durable and operates quietly at just 34dB so you can sleep comfortably as well. The PM 0.1 filter provides clean and allergen-free air by filtering even the smallest dust particles and its TrueAI mode maximizes comfort and energy savings for efficient cooling.

Specifications:

• Model Number: CS/CU-NU18AKY5WX
• Energy Efficiency: ‎5.2 SEER
• Annual Energy Consumption: 759.55 Kilowatt Hours
• Noise Level: ‎34 dB
• Capacity: 1.5 Tons
• Cooling Power: 17402 British Thermal Units
• Dimensions: 24.9D x 104W x 29.6H cm
• Weight: 36 kg 500 g

Pros:

• Higher airflow
• 7 Convertible modes to choose from
• R32 eco-friendly refrigerant gas

Cons:

• Moderate noise levels

The Lloyd 1.5 ton split AC is a great choice for home cooling and has one of the top ratings and good user reviews owing to its 5 star energy rating and inverter compressor technology. Its sleek design and impressive cooling performance are perfect for rooms up to 150 sq ft. With 5 convertible modes you can customize the cooling to your needs, so in case of less heating, only optimal power is used. The AC operates quietly and efficiently, and with a 5-star energy rating, it also helps keep your electricity bills low. Offering a durable design, this AC is made from copper condenser coils and has inner grooved tubes to ensure quick cooling even in peak summer season. This Lloyd 5 star inverter AC comes with a PM 2.5 filter that traps even small dust particles and allergens to keep the room air clean and ensure healthy indoor air quality as well.

Specifications:

• Model Number: GLS18I5FWBEW
• Capacity: 1.5 Tons
• Annual Energy Consumption: ‎715.07 Kilowatt Hours
• Noise Level: ‎37 dB
• Voltage: 230 Volts
• Wattage: 1185 Watts
• Dimensions: 22L x 98.2W x 32H cm
• Weight: 39.3 Kg

Pros:

• Stylish design of white with chrome deco strip
• Anti corrosion coating
• PM 2.5 filter

Cons:

• No major cons

When it comes to ACs that give less electricity bills, this one from Godrej can be considered. This 1.5 ton split air conditioner adjusts the cooling power depending on the heat load. If you have a medium-sized room of up to 111 to 150 sq ft, then this one will provide powerful cooling. For durability and uninterrupted cooling, it has a 100% copper evaporator and condenser with Blue Fin Anti-Corrosion. 5 in 1 convertible technology ensures energy efficiency by operating at different levels of cooling, ranging from 40% to 110% of its maximum capacity. Through the i-sense technology, this AC senses the ambient temperature around you for better cooling. It also helps in removing dust particles and odor inside. Heavy-duty cooling chills the room even at 52 degrees Celsius. 

Specifications:

Cooling Power: 4.8 Kilowatts

Energy Efficiency ‎: Highly Efficient

• Annual Energy Consumption: ‎728.31 Kilowatt Hours Per Year
• Noise Level: ‎38 dB
• Voltage: ‎230 Volts
• Wattage: ‎1200 Watts
• Form Factor: ‎split AC

Pros:

• Fast indoor cooling
• Low noise level

Cons:

• A few users complained that the AC was not working after 15 days

Looking for an energy-efficient air conditioner for a small room? The Voltas 1 ton inverter AC may be a great option for rooms in the range of 110 to 120 sq ft size. This 5 star inverter AC has four convertible modes that ensure flexibility of use to lower the tonnage capacity in case of less cooling requirements or when there are less number of people in the room, allowing you to adjust cooling from 40% to 100% for optimal power use and lower electricity bills. Made from high-quality copper condenser coil with rust- and corrosion-resistant coating, this 5 star AC offers durability and longevity with low maintenance requirements. The R32 environment-friendly refrigerant contributes to a quiet and user-friendly experience and makes this Voltas AC a great option for high energy efficiency. A unique sleep mode automatically adjusts cooling and fan speed for optimal cooling and undisturbed sleep. 

Specifications:

• Model: 125V Vectra CAW
• Capacity: ‎1 Tons
• Annual Energy Consumption: ‎3300 Watts
• Noise Level: ‎38 dB
• Capacity: 1 Tons
• Cooling Power : 3300 Kilowatts
• Dimensions: 22D x 80W x 29H cm
• Weight: 11 kg 700 g

Pros:

• Anti-dust filter
• Anti corrosive coating
• Inverter compressor for high energy efficiency

Cons:

• No particular cons

The Carrier 1.5 ton split AC with 5 tar rating offers high energy efficiency and low electricity consumption while ensuring optimal cooling performance. Offering the latest innovation with inbuilt Wi-Fi connectivity option, this air conditioner offers smart usage with voice control and remote control through your smartphone. This inverter AC runs on a flexicool variable compressor that adjusts the cooling depending on the heat load and surrounding conditions to ensure only the required amount of power is consumed for less electricity bill. Offering si different energy mode to choose from, this 1.5 ton AC offers dual filtration system including a PM .5 filter and HD filter to get rid of small pollutants and keep the room allergen-free. This new age air conditioner comes with a smart energy display that shows the power consumption for you to keep a check on electricity usage. 

Specifications:

• Model Number: CAI19EE5R35W0
• Capacity: 1.5 Tons
• Cooling Power: 5000 Kilowatts
• Voltage: 230 Volts
• Noise Level: 44 dB
• Dimensions: 27D x 94W x 54H cm
• Weight: 37.4 Kg

Pros:

• Voice control with wi-Fi support
• Anti-rust and hydro blue coating
• Stabiliser-free operation

Cons:

• Moderate noise level

The Samsung 1.5 ton split AC is a popular choice amongst Indian users seeking smart AC performance with the latest features. Perfect for tech-savvy users, this Samsung AC has Wi-Fi connectivity to control the performance including temperature, modes, swing, fan speed, and also get direct notifications and error messages on your smartphone. One of the most important features of this smart AC is the energy-saving mode with an inverter compressor and 5-step convertible options for you to choose the right tonnage capacity as per the heat load, and thus save electricity and operational cost. You can also make use of the voice control feature or hassle-free AC control and ensure high durability wth its 3 step auto clean feature. Equipped with digital inverter technology and triple protection plus coating for rust-resistance, this 5 star AC is durable and long-lasting, and also comes with an anti-bacterial filter to keep the indoor air clean.

Specifications:

• Model Number: AR50F19D1NHNNA
• Capacity: 1.5 Tons
• Cooling Power: 5 Kilowatts
• Air Flow Efficiency: 610.94 CFM
• Voltage: 230 Volts
• Noise Level: 50 dB
• Dimensions: 21.5D x 105.5W x 29.9H cm
• Weight: 40.9 Kg

Pros:

• Artificial Intelligence (AI) energy savings
• Cools even at 58 degrees C
• Less noise

Cons:

• No major cons

Voltas 5 star split AC comes with a variable speed compressor to adjust the power depending on the heat load. There are 4 cooling modes to operate in different tonnage. With a capacity of 1.5 ton, this is suitable for medium-sized rooms of up to 111 to 150 sq. ft. Through the high ambient cooling, it even works at 52° Celsius temperature. This Voltas AC has a copper condenser for superior heat transfer, along with low maintenance. Equipped with the feature of anti-dust filter, it cleans the indoor air. Even during voltage fluctuations, the AC gives uninterrupted cooling because of the stabilizer-free operation. Turbo cooling chills the room instantly with higher airflow and a unique louver design. Prevent freezing of the evaporator coil when the temperature drops too low with the anti-freeze thermostat. 

Specifications

• Cooling Power: 4850 Kilowatts
• Annual Energy Consumption: 751.28 kWh/year
• Noise Level: IDU - 44/43/42/38 (dbA)
• Energy Efficiency: ‎5 star
• Voltage: ‎230 Volts
• Wattage: ‎4850 Watts
• Material: ‎Plastic
• Capacity: 1.5 Tons

Pros

• Cools the room quickly
• Easy on electricity bills

Cons

• No horizontal swing option

Whirlpool 5 star AC is embedded with an Intellisense inverter compressor that automatically adjusts the cooling according to the heat load. With the unique 6th sense technology, this AC brand uses smart sensors to know the perfect cooling environment. As it has zero friction, this air conditioner creates minimal noise. It has the feature of self-cleaning that prevents the coil from rusting, and also ensures that there is no bad odor inside. During lower voltage or fluctuations, the stablizer inverter provides complete protection to the AC. To match up with your modern home, it has a hidden display and a sleek design. There is a gas leak indicator, too, that keeps you informed when the AC has low gas. This split air conditioner also has HD filters for improved air quality.

Specifications

• Cooling Power: 16378 British Thermal Units
• Noise Level: IDU 42 dB
• Energy Rating: 5 Star
• ISEER Value: 5.1
• Electricity Consumption: 728.95 units per year
• Voltage: ‎210 Volts
• Wattage: ‎450 Watts
• Material: Metal

Pros

• Super fast cooling
• Durable and efficient

Cons

• Many users complained of after-sales issues