Best 5 star split ACs in 2025: The most energy efficient ACs for Indian summers

Holi is over, which means summer is rolling in and the heat is about to get relentless. If you want to stay cool without stressing over electricity bills, a 5-star split air conditioner is the way to go. These air conditioners are built for efficiency, giving you powerful cooling while using less energy. 

Unlike bulky window units, split air conditioners run quieter, distribute air more evenly, and blend into your space without sticking out. Many also come with inverter technology, which adjusts power usage based on the heat, keeping things cool without unnecessary energy wastage. If you’re looking for the best mix of cooling, efficiency, and long-term savings, here are the top energy-efficient 5-star split ACs for Indian summers in 2025.

Best energy-efficient 5-star split air conditioners in 2025 for Indian summers

Check out our list of the most energy-efficient ACs for Indian summers.

1. O GENERAL CETA 3-ton 5-star inverter split air conditioner

2. Carrier Ester Neo Exi 2-ton 5-star inverter split air conditioner

3. Daikin Streamer Discharge 5-star inverter split air conditioner

4. Lloyd Stellar 1.5-ton 5-star inverter split smart air conditioner

5. Croma 4-in-1 Convertible 5-star inverter split air conditioner

1. O GENERAL CETA 3-ton 5-star inverter split air conditioner

The O GENERAL CETA 3-ton 5-star inverter split air conditioner is built to handle even the harshest Indian summers. With a powerful 10,560-watt cooling capacity, this AC can cool your space quickly and efficiently, even on the hottest of days. Its Hyper Tropical Twin Rotary Compressor ensures reliable, long-lasting performance, so you don’t have to worry about breakdowns when the temperature soars. 

ALSO READ: AC gas leaks: Why they happen and how to prevent them

This AC also comes with a 5-star energy rating and eco-friendly R32 refrigerant, meaning you get top-tier cooling while keeping energy use and environmental impact in check. The copper condenser coil speeds up heat exchange, helping your room cool down faster, while Coanda Airflow Technology spreads air evenly across the room for consistent comfort. It also features a PM2.5 filter that helps remove dust and allergens, keeping the air clean while keeping you cool.

2. Carrier Ester Neo Exi 2-ton 5-star inverter split air conditioner

The Carrier Ester Neo Exi 2-ton 5-star inverter split air conditioner keeps you cool and comfortable even in extreme heat. With AI 6-in-1 Flexicool Technology, you get six cooling modes to match the weather and your comfort level. This AC is also designed for efficiency, featuring a 5-star energy rating and an impressive ISEER of 5.05, so you get powerful cooling without spiking your electricity bill. 

Additionally, the Carrier Ester Neo Exi inverter split air conditioner features PM2.5 and HD filters to remove dust and allergens, along with Aqua Clear Protection and an Auto-clean function to keep the unit running smoothly with minimal maintenance.

3. Daikin Streamer Discharge 5-star inverter split air conditioner

After a long, hot day, the last thing you need is a stuffy room. That’s where the Daikin Streamer Discharge 5-star inverter split air conditioner comes in. With a powerful 6,000-watt cooling capacity and 593 CFM airflow, it can cool your space fast, no matter how intense the heat is outside. It’s also energy-efficient, earning a 5-star rating while using just 2190W of power, so you stay cool without worrying about high electricity bills. 

ALSO READ: What should be the ideal AC temperature?

Furthermore, the eco-friendly R32 refrigerant keeps costs low and is better for the environment. Other features include a PM 1.0 filter to trap dust and allergens, a self-clean mode for hassle-free maintenance, and Coanda Airflow to spread cool air evenly across the room. And with Alexa and Google Home compatibility, you can control the AC with just your voice.

4. Lloyd Stellar 1.5-ton 5-star inverter split smart air conditioner

Stepping into a cool room after a scorching day is pure relief, and the Lloyd Stellar 1.5-ton 5-star inverter split smart air conditioner makes sure you get that every time. With a 5200-watt cooling capacity and strong airflow, it can cool your space quickly, even in peak summer. The 6-in-1 Expandable AC feature adjusts cooling based on the number of people in the room, helping you save energy when full power isn’t needed.

ALSO READ: Different types of air conditioners – A guide to choosing the best AC

It also doubles as an air purifier with ACP Mode, filtering out dust and allergens for cleaner, fresher air. The Smart 4-Way Swing ensures every corner of your room gets cool air, while the mood lighting adds a stylish touch by changing colours based on temperature and air quality. Additionally, with Direct Voice Command and Wi-Fi support, you can control it effortlessly using your voice or the app.

5. Croma 4-in-1 Convertible 5-star inverter split air conditioner

The Croma 4-in-1 Convertible 5-star inverter split air conditioner offers a perfect mix of efficiency, performance, and convenience. Its 5100-watt cooling capacity ensures medium-sized rooms stay cool, even when outdoor temperatures hit 54°C. The 4-in-1 Convertible feature lets you adjust cooling levels based on your needs, balancing comfort and energy efficiency. 

To improve indoor air quality, PM2.5 dust filters remove pollutants and allergens, creating a healthier space. Additional features like sleep mode, humidity control, auto-restart, self-diagnosis, and a hidden display add to its ease of use, while the nano shield coating on the coils boosts durability by preventing corrosion.

Stay cool this summer without worrying about high electricity bills with these power-efficient ACs listed above.