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What Are The Key Differences Between 3-Star and 5-Star ACs?

An air conditioner helps keep indoor spaces cool and comfortable, especially during hot weather. It works by removing heat from the room and releasing it outside. When looking at AC options, energy efficiency becomes important. A 3-star AC uses more electricity than a 5-star AC, while a 5-star model is designed to save more power and is better suited for daily or long hours of use. Although 5-star ACs have a higher upfront cost, they help lower electricity bills in the long run.

  • By : Manshi Singh
  • Last Updated on Jul 24, 2025 12:06 IST
  • Published on Jun 23, 2025 17:01 IST
air conditioner
air conditioner

An air conditioner is a useful home solution that helps keep indoor spaces cool and comfortable, especially during hot weather. It works by taking in warm air from the room, cooling it, and then sending it back to lower the room temperature. Today, air conditioners are commonly found in homes and are an important part of many electronics and appliances setups. When choosing an air conditioner, energy efficiency matters, and this is where star ratings come in.

A 3-star AC is a good option for those who use their air conditioner for a few hours a day. It provides decent energy savings and usually comes at a lower price. It’s suitable for people who want basic cooling without spending too much on the initial purchase. However, it uses more electricity compared to higher-rated models, which can lead to higher power bills if used for long hours daily.

A 5-star AC is more efficient and uses less electricity to cool the same space. It is a smart choice for people who use their AC regularly or for longer periods. Though the cost of a 5-star AC is higher at the time of purchase, it helps save money on electricity bills over time. It is a better long-term home solution, especially in areas with high temperatures or frequent air conditioner use.

Both 3-star and 5-star ACs serve the same purpose but are made for different usage needs. Understanding the difference helps in choosing the right air conditioner based on how often it will be used and how much energy savings are needed.

Beyond Energy Savings: Uncovering the Real Differences Between 3-Star and 5-Star ACs

Both 3-star and 5-star ACs cool the room well, but they are meant for different types of use. A 5-star AC is a better option if you use the air conditioner regularly and want to save on electricity bills over time. It costs more at the start but helps you save money in the long run. A 3-star AC, on the other hand, is more budget-friendly upfront and is suitable if you use the AC for a few hours a day or only during peak summer. Choose the right air conditioner from the home solution and electronics category based on how often you use it, your budget, and whether you prioritize initial savings or long-term benefits

Top Five Products

  • Haier 1.5 Ton 3 Star Twin Inverter Split AC

    The Haier 1.5 Ton Split AC is a good choice for those who want fast and strong cooling. The motor, fan, and air duct are designed to give 25% more airflow and a long 20-meter air throw, which helps cool the room quickly. This AC can handle high temperatures and still cool well even at 60- degree celsius, thanks to its strong heat exchange system and special protective coating. The HyperPCB uses fire-resistant materials to ensure safety and stable cooling in all conditions. With Blue Fin coating and anti-corrosive features, the AC stays rust-free and works for a long time. It also increases heat exchange efficiency by 30–50%, helping the compressor last longer. This top-rated air conditioner uses a refrigerant with one-third the Global Warming Potential of R410A, which makes it environment friendly as well.

    Specification 

    • Brand: Haier
    • Model: ‎HSU17V-TMS3BN-INV
    • Energy Efficiency: ‎Energy Efficient
    • Capacity: ‎1.5 Tons
    • Annual Energy Consumption: 965 Kilowatts
    • Noise Level: 42 dB
    • Installation Type: ‎Split System
    • Part Number: ‎HSU17V-TMS3BN-INV
    • Form Factor: ‎Mini-Split
    • Material: ‎Plastic, Metal

    Pros:

    • Easy to install 
    • Easy to operator 
    • Stunning design 
    • Zero noise level

    Cons: 

    • No cons available 
    01

  • Panasonic 1.4 Ton 3 Star Inverter Split AC

    The Panasonic Split AC is a good option for medium-sized rooms between 120 to 170 sq ft. It has a strong airflow of 501 CFM and a cooling capacity of 4800 W, and it works well even in high temperatures up to 52-degree celsius. This AC uses a copper condenser coil, which helps with better cooling and needs less maintenance. It comes with an energy rating of 3 stars and has an annual power use of 929.59 units, with an ISEER value of 4.00. This is one of the best AC brand choices for people looking for clean and comfortable air. The AC includes a PM 0.1 filter that helps clean the air by removing very fine dust particles. It also has ShieldBlu+ protection that helps stop leakages and keeps the heat exchanger working longer. The 7-in-1 convertible mode allows flexible cooling based on need. Its inverter technology adjusts power use based on the room’s condition, which helps save energy. It has 100% copper tubing, which helps in faster heat transfer. The air conditioner also includes Crystal Clean technology that keeps the inner coil clean, improves cooling, gives fresh air, and saves electricity by reducing the need for frequent maintenance.

    Specification 

    • Brand: Panasonic
    • Model: CS/CU-SU17AKY3T
    • Energy Efficiency: Energy Efficiency
    • Capacity: ‎1.4 Tons
    • Annual Energy Consumption: 929.59 Kilowatt Hours
    • Noise Level: ‎38 dB
    • Installation Type: ‎Split System
    • Part Number: CS/CU-SU17AKY3T
    • Form Factor: ‎Split
    • Voltage: ‎230 Volts

    Pros:

    • Cooling of the air conditioner is good 
    • Ac quality is perfect 
    • Value for money 
    • Saves electricity

    Cons: 

    • No cons available 
    02

  • Lloyd 1.5 Ton 5 Star Inverter Split AC

    The Lloyd AC is designed to deliver strong and reliable cooling. It can cool efficiently even when the temperature outside reaches up to 52- degree celsius and comes with a 2-way air swing to spread cool air in different directions. The AC works without a stabilizer in a wide voltage range of 140 to 280 volts. It features a hidden LED display and operates quietly with a noise level of just 32 dB. With its 5-in-1 convertible mode, you can adjust the cooling based on your needs. It includes a clean air filter along with a PM 2.5 filter to help remove dust and fine particles, making the air cleaner to breathe. The AC has a 4-meter long air throw and a turbo cool option for quick cooling. It also gives alerts for low gas and filter cleaning, includes an installation check feature, and automatically restarts after a power cut. Built with an anti-corrosion coating and copper parts, it is durable and long-lasting. The AC comes in a white finish with a chrome deco strip, giving it a stylish and clean appearance.

    Specification 

    • Brand: Lloyd
    • Model: ‎GLS18I5KWGGW
    • Energy Efficiency: ‎5 Star
    • Capacity: ‎1.5 Tons
    • Annual Energy Consumption: 715.07 Kilowatt Hours
    • Noise Level: ‎37 dB
    • Installation Type: ‎Split System
    • Part Number: GLS18I5KWGGW
    • Form Factor: ‎Mini-Split
    • Batteries Required: ‎Yes

    Pros:

    • PM 2.5 Filter
    • Anti Corrosion Coating
    • Clean Filter Indication
    • Hidden LED Display

    Cons: 

    • No cons available 
    03

  • Hitachi 1.5 Ton Class 3 Star, 4-Way Swing, ice Clean, Xpandable+, Inverter Split AC

    The Hitachi 1.5 Ton 3 Star Inverter Split AC is a good option for medium-sized rooms (111 to 150 sq. ft.) and comes with a variable speed inverter compressor that adjusts power based on the heat load. It has a 3-star energy rating and uses around 1013.01 units of electricity per year. The AC uses 100% copper coils, which help in better cooling and need less maintenance. It features ice Clean with FrostWash Technology to keep the unit clean, and Xpandable+ Technology for better performance in extreme conditions. It has a long air throw and 4-way swing to spread cool air in all directions. Special features include odour-free air, silent operation, My Mode for saving preferred settings, and Penta Sensor technology for smart cooling. The AC uses R32 refrigerant, which is safe for the environment and does not harm the ozone layer. er.

    Specification 

    • Colour: White
    • Voltage: ‎230 Volts
    • Wattage: ‎1770 Watts
    • Material: ‎Plastic
    • Capacity: ‎1.5 Tons
    • Annual Energy Consumption: 1013.01 Kilowatt Hours
    • Noise Level: ‎34 dB
    • Installation Type: ‎Split System
    • Part Number: ‎RAS.D318PCCIBS
    • Form Factor: ‎Mini-Split

    Pros:

    • Easy to install 
    • Strong build quality
    • Value for money 
    • 4-Way Swing

    Cons: 

    • No cons available 
    04

  • LG 1.5 Ton 5 Star DUAL Inverter Split AC

    The LG AC is built for powerful and energy-efficient cooling. It comes with AI Dual Inverter technology that adjusts cooling based on your needs, helping save energy while keeping you comfortable. The AI Convertible 6-in-1 mode gives you control to increase or reduce cooling as needed, and VIRAAT Mode boosts cooling capacity up to 116% for quick comfort. This AC is designed to cool even in extreme temperatures up to 55°C and works without a stabilizer, even during voltage changes. It uses 100% Hi-Grooved Copper Pipes for better cooling and a longer lifespan, and the Gold Fin+ coating protects it from rust and corrosion. The ADC sensor adds extra safety by ensuring the AC performs well under different conditions. It cools the room evenly with a 4-way swing and larger fans with wider outlets, making it perfect for bigger spaces. The HD Filter with Anti-Virus Protection helps keep the air cleaner. You can also switch to Mute Function for silent operation. This is one of the best air conditioners for those looking for fast cooling, long life, and energy savings in any season.

    Specification 

    • Brand: ‎LG
    • Model: ‎US-Q19YNZE
    • Energy Efficiency: ‎High Efficiency
    • Capacity: ‎1.5 Tons
    • Annual Energy Consumption: 744.75 Kilowatt Hours Per Year
    • Noise Level: ‎31 dB
    • Installation Type: ‎Split System
    • Part Number: ‎4MPRG15C
    • Form Factor: ‎Mini-Split
    • Wattage: ‎252 Watts

    Pros:

    • The quality of the air conditioner is good 
    • Zero noise operator 
    • Value for money 
    • Installation is bit easy 

    Cons: 

    • It takes longer time to cool the entire room
    • No lights on the remote
    05

 Which AC is more cost-effective in the long run, 3-star or 5-star?

When deciding between a 3-star and a 5-star air conditioner, it’s important to think about how much money you will spend over time, not just the initial price. This includes electricity bills and maintenance costs.

  • A 5-star AC uses less electricity than a 3-star AC, so it helps lower your monthly power bills.
  • Even though a 5-star AC costs more upfront, the savings on electricity usually make up for this higher price after some time.
  • A 3-star AC is cheaper to buy, but it uses more power, which can increase your electricity bills if you use the AC a lot.
  • If you only use the AC for a few hours a day, a 3-star AC might still save you money despite using more electricity.
  • For people who run their AC for many hours every day, a 5-star AC is more cost-effective because it uses energy more efficiently.
  • The cost of maintenance for both 3-star and 5-star ACs is generally about the same and does not make much difference in overall spending.

A 5-star AC is usually better for saving money in the long run, especially if the AC is used often. A 3-star AC can be a good option if you want to spend less at the start and don’t use the AC too much. The right choice depends on your usage and budget.

Read More: 1-Ton Split ACs Price List

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.

More For You

Faq's

  • What does the star rating on an AC actually mean?
    +
    The star rating on an AC shows how energy efficient the appliance is. It is given by the Bureau of Energy Efficiency (BEE) in India. A higher star rating means the AC uses less electricity to provide the same cooling. For example, a 5-star AC cools the room using less power than a 3-star AC, which helps save on electricity bills.
  • How much more energy does a 3-star AC consume compared to a 5-star AC?
    +
    A 3-star AC consumes more electricity than a 5-star AC. On average, it may use about 15–25% more power depending on usage hours, room size, and temperature settings. Over time, this difference can lead to noticeably higher electricity bills, especially if the AC is used for many hours every day.
  • What is the typical lifespan of a 3-star vs 5-star AC?
    +
    The lifespan of both 3-star and 5-star ACs is usually between 8 to 12 years if maintained properly. Regular servicing, cleaning of filters, and careful usage help extend the life of the AC. The star rating mainly affects energy use, not how long the AC will last.
  • Are there any downsides to buying a 5-star AC?
    +
    The main downside of a 5-star AC is the higher upfront cost. It is more expensive than a 3-star AC. However, it makes up for the price difference by saving electricity in the long run, especially if the AC is used frequently. Other than the initial price, there are no major downsides.

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