Best energy efficient 1.5 ton inverter Split AC – 2025 (Top 10)

Last updated on April 5th, 2025 at 11:55 am

Inverter ACs are the most energy efficient air conditioners, choosing right air conditioner is a difficult and time consuming task. As AC consumes significant amount of power few question are asked by every buyer like Which is the best 1.5 ton split inverter AC?, which AC is most energy efficient? which AC consumes less energy? For finding best energy efficient 1.5 ton inverter Split AC we may refer star label. BEE has labelled appliances in the category of star rating. A 5-star rating is the best. For detailed understanding on star rating, please click here. While manufacturer offers lots of features apart from energy efficiency which makes us more confusing. We have compiled a list of the best air conditioners available in this category. We considered price, features, and reputation of the manufacturer, focusing on energy efficiency. For basic detail on Air conditioners performance parameters like tonnage, COP, EER, SEER etc, please click here.

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Lets look for the best Air conditioners in most energy efficient category :

1.Hitachi 1.5 Ton 5 Star Inverter Split AC (2025 Model) ISEER -5.0, Annual unit consumption*: 774.58 Units. Approx price 44000

The Hitachi 1.5 Ton 5 Star Inverter Split AC (2025 Model) offers advanced cooling features, Xpandable+ technology, and ice Clean FrostWash for self-cleaning. It is designed for those seeking efficient cooling, air purification, and premium brand reliability.

Key Features:

✔ Xpandable+ Technology: Enhances cooling beyond rated capacity during extreme heat
✔ ice Clean (FrostWash) Technology: Self-cleaning mechanism for odor-free air
✔ 4-Way Swing: Ensures uniform cooling in all directions
✔ SmartView Display: Hidden digital display with temperature indicators
✔ Penta Sensor Technology: Intelligent sensors optimize cooling and protect components
✔ Long Air Throw: Delivers cooling across larger room spaces efficiently
✔ 100% Copper Condenser Coil: Ensures durability and requires low maintenance
✔ Eco-Friendly R32 Refrigerant: Low environmental impact

Pros:

✅ Efficient 5-star energy rating (ISEER ~5.1, 774.58 kWh annual consumption)
✅ Self-cleaning feature reduces maintenance efforts
✅ Better airflow distribution with 4-way swing and long air throw
✅ Strong after-sales service and reliability from Hitachi
✅ Comprehensive warranty (5 years on product, 10 years on compressor, 5 years on PCB)

Cons:

❌ Installation is paid (₹799 + GST, extra for accessories)
❌ Higher price compared to some competitors like Godrej
❌ No smart Wi-Fi connectivity, unlike Blue Star or Daikin models

2.    IFB 2025 Model Gold Pro Series 1.5 Ton 5 Star Split AC, ISEER -5.15, Annual unit consumption*: 782.92 Units. Approx price 42000

The IFB Gold Pro Series 1.5 Ton 5 Star Split AC (2025 Model) is a premium offering with AI-powered Hybrid Cooling, Wi-Fi compatibility, and energy efficiency. It combines fast cooling, durability, and smart features for an enhanced user experience.

Key Features:

✔ AI-Powered Hybrid Cooling: Adjusts cooling dynamically for optimal comfort
✔ 8-in-1 Flexi Mode: Reduces power consumption by up to 50%
✔ Dual Gold Fin Technology: Protects against corrosion and improves durability
✔ Wi-Fi Compatible: Control via smartphone for smart automation
✔ Fast Cooling with 4-Way Swing: Ensures quick and even cooling
✔ Dehumidifier & Sleep Mode: Enhances comfort in humid and night-time conditions
✔ Auto Restart: Saves last settings after power cuts
✔ R32 Refrigerant: Eco-friendly with no ozone depletion

Pros:

✅ Powerful cooling capacity (5.21 kW, higher than Hitachi & Cruise)
✅ Smart AI-based cooling adapts to user preferences
✅ Longer PCB and motor warranty (5 years vs. 1 year on Cruise ACs)
✅ Wi-Fi-enabled for remote control via smartphone
✅ Low noise operation (39 dB, quieter than many competitors)
✅ Energy-efficient (ISEER ~5.15, annual energy consumption ~782.92 units)

Cons:

❌ Higher price (~₹42,990, more expensive than Cruise but cheaper than Hitachi)
❌ Standard installation charge (₹1,200 + GST, higher than Hitachi’s ₹799 but lower than Cruise’s ₹1,499)
❌ Brand service network may not be as widespread as Daikin or Blue Star

3.    Daikin 1.5 Ton 5 Star Inverter Split AC (MTKM50U), ISEER -5.2, Annual unit consumption*: 785.99 Units. Approx price 45000

The Daikin 1.5 Ton 5 Star Inverter Split AC is a high-efficiency air conditioner designed for medium-sized rooms. It features a 5.2 ISEER rating, ensuring low energy consumption and excellent cooling performance. Equipped with Dew Clean technology, it keeps the indoor unit clean, providing fresh and odor-free air. The PM 2.5 filter enhances air quality by trapping dust and pollutants. The copper condenser with DNNS self-heal coating adds durability and requires minimal maintenance.

With 3D airflow and turbo cooling, this AC ensures uniform and fast cooling, even in high ambient temperatures of up to 54°C. The triple display function allows users to monitor power consumption, temperature, and auto-diagnosis errors. The inverter swing compressor optimizes power usage based on cooling needs, reducing electricity bills. Additionally, it operates at a low noise level of 30 dB, ensuring a quiet indoor environment.

Pros:

✔ Highly energy-efficient (5 Star rating, ISEER 5.2)
✔ Fast cooling with turbo mode
✔ Dew Clean technology for better hygiene
✔ Durable copper condenser with anti-corrosion coating
✔ Low noise operation

Cons:

❌ Installation charges are extra
❌ Remote lacks advanced smart features
❌ Slightly higher initial cost

4.    Haier 1.6 Ton 5 Star HEXA Inverter Split AC – 2025 Model, ISEER -5.05, Annual unit consumption*: 836.95 Units. Approx price 45000

The Haier 1.6 Ton 5 Star HEXA Inverter AC is a heavy-duty cooling solution with high ambient cooling (up to 60°C), fast air circulation, and a self-cleaning feature. It is designed for extreme Indian weather conditions, offering superior durability and energy efficiency.

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Key Features:

✔ 1.6 Ton Capacity: Slightly higher than standard 1.5-ton models, ideal for medium-sized rooms (111-150 sq. ft.)
✔ Hexa Inverter Compressor: Ensures 40%-110% capacity control for energy savings of up to 60%
✔ Supersonic Cooling (10 Sec): Ensures fast cooling even in high ambient temperatures (60°C)
✔ 4-Way Swing & 20M Air Throw: Provides uniform cooling across the room
✔ Frost Self Clean: Automatically cleans dust, bacteria, and odors within 21 minutes
✔ Hyper PCB with Stabilizer-Free Operation: Works efficiently in voltage fluctuations
✔ Super Micro Anti-Bacterial Filter: Ensures clean and fresh air circulation
✔ 7-in-1 Convertible Modes: Adjustable cooling capacity based on room conditions

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Pros:

✅ Powerful cooling performance (5460W, better than standard 1.5-ton ACs)
✅ Energy-efficient (5-Star rating, ISEER 5.05, Annual Energy Consumption ~837 KWh)
✅ Fast cooling even in extreme heat (10-sec cooling at 60°C ambient temperature)
✅ Long warranty (5 years on AC, 12 years on compressor)
✅ Quiet operation (as low as 34 dB in silent mode)
✅ Self-cleaning feature reduces maintenance hassle

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Cons:

❌ Higher price (~₹45,490, more expensive than Cruise & IFB ACs)
❌ Annual paid maintenance required for extended 5-year warranty
❌ Standard installation fee applicable
❌ Haier’s after-sales service may vary by location

5.      LG 1.5 Ton 5 Star DUAL Inverter Split AC, ISEER -5.2, Annual unit consumption* : 744.75, Units. Approx price 46900

The LG 1.5 Ton 5 Star DUAL Inverter Split AC is a powerful and energy-efficient cooling solution, ideal for medium-sized rooms. Its AI Convertible 6-in-1 cooling mode adjusts performance based on usage, while the VIRAAT Mode ensures faster cooling even in extreme temperatures (up to 55°C).

The Ocean Black Protection on the 100% copper condenser enhances durability by preventing rust and corrosion. The 4-way swing ensures uniform cooling, and the HD filter with anti-virus protection provides clean, healthy air. Additionally, the Smart Diagnosis System simplifies troubleshooting, and stabilizer-free operation (120V-290V) offers hassle-free use.

Pros:

✅ Highly Energy Efficient – 5-star rating with ISEER 5.20
✅ Powerful Cooling – VIRAAT Mode for faster cooling, even at 55°C
✅ Durable & Low Maintenance – Ocean Black Protection on copper condenser
✅ Healthy Air – HD filter with anti-virus protection
✅ Smart Features – Auto Clean, AI Convertible 6-in-1, Smart Diagnosis

Cons:

❌ Paid Installation – Additional cost for setup
❌ Slightly Noisy Outdoor Unit – Noise level up to 56 dB
❌ Limited Smart Connectivity – No built-in WiFi or voice control

6.      Panasonic 1.5 Ton 5 Star Premium Wi-Fi Inverter Smart Split AC, ISEER -5.2, Annual unit consumption*: 759.55 Units. Approx price 44000

The Panasonic 1.5 Ton 5 Star Smart Split AC is a feature-packed and energy-efficient air conditioner designed for modern smart homes. It is Matter-enabled, allowing seamless integration with Alexa and Google Home for voice and app-based control. The 7-in-1 convertible mode offers adjustable cooling levels, optimizing energy consumption while maintaining comfort.

Equipped with True AI mode, the AC adapts cooling based on room conditions, enhancing efficiency. The PM 0.1 filter ensures clean air, and the ShieldBlu+ protection on the heat exchanger increases durability. The 4-way swing and high airflow (703 CFM) provide uniform cooling, even at 55°C ambient temperatures.

Pros:

✅ Smart Connectivity – Works with Alexa, Google Home, and MirAie App
✅ Energy Efficient – 5-star rating with ISEER 5.20 and 7-in-1 convertible cooling
✅ Powerful Cooling – Effective even at extreme temperatures (55°C)
✅ Healthy Air – PM 0.1 filter for ultra-fine particle filtration
✅ Self-Cleaning – Crystal Clean technology improves efficiency

Cons:

❌ Paid Installation – Additional cost for setup
❌ Higher Noise Levels – Indoor unit noise up to 47 dB
❌ Premium Price – Slightly expensive compared to non-smart ACs

7.      Godrej 1.5 Ton 5 Star Inverter Split AC (2025 Model), ISEER -5.1, Annual unit consumption*: 728.31 Units. Approx price 38000

The Godrej 1.5 Ton 5 Star Inverter Split AC (2025 Model) offers energy-efficient cooling with advanced features at an attractive price. Its 5-in-1 convertible cooling and i-sense technology enhance user comfort, while the 5-year comprehensive warranty makes it a standout option in terms of after-sales support.

✔ 5-in-1 Convertible Cooling: Adjusts power from 40% to 110% based on cooling needs
✔ Heavy-Duty Cooling: Efficient performance even at 52°C ambient temperature
✔ 100% Copper Condenser with Blue Fin Coating: Better durability and corrosion resistance
✔ i-Sense Technology: Remote sensor detects room temperature for precise cooling
✔ Self-Cleaning & Self-Diagnosis: Prevents dust buildup and simplifies maintenance
✔ Anti-Microbial Protection: Ensures cleaner, healthier air indoors
✔ R32 Refrigerant: Eco-friendly with no ozone depletion potential
✔ Low Noise Operation: Indoor unit noise level around 38 dB (quiet operation)
✔ Warranty: 5 Years Comprehensive (covers labor & parts), 10 Years on Compressor

Pros:

✅ Affordable pricing for a 5-star AC with premium features
✅ Longer warranty coverage than competitors (5 years comprehensive, 10 years compressor)
✅ Energy-efficient operation (ISEER 5.1, 728.31 kWh/year)
✅ Remote-controlled smart temperature adjustment (i-Sense technology)

Cons:

❌ Installation not free (Additional charges apply for accessories)
❌ Cooling power (4.8 kW) slightly lower than some competitors like Voltas
❌ Limited smart features (No WiFi connectivity available)

8.     Lloyd 1.5 Ton 5 Star Inverter Split AC, ISEER -5.2, Annual unit consumption*: 715.07 Units. Approx price 41000

The Lloyd 1.5 Ton 5 Star Inverter Split AC (GLS18I5FWBEW) offers a powerful and efficient cooling solution with its 5-in-1 Convertible Mode and Turbo Cool function. It is designed to cool efficiently even at extreme temperatures (up to 52°C), making it a reliable choice for hot climates.

The Golden Fin Evaporator with Copper Coils ensures better durability, corrosion resistance, and low maintenance. The PM 2.5 filter enhances indoor air quality by filtering dust and pollutants. Additionally, 4-way air swing helps distribute air evenly, and stabilizer-free operation (100V-300V) makes it convenient for areas with voltage fluctuations.

Pros:

✅ Highly Energy Efficient – 5-star rating with ISEER 5.2
✅ 5-in-1 Convertible Mode – Adjustable cooling capacity (30% to 110%)
✅ Powerful Cooling – Turbo Cool & Cools at 52°C
✅ Durable Design – Golden Fin Evaporator & Anti-Corrosion Coating
✅ Healthy Air – PM 2.5 Air Filter
✅ Smart Features – Clean Filter Indication, Low Gas Detection, Auto Restart

Cons:

❌ Paid Installation – Additional cost for setup
❌ Limited Smart Features – No built-in WiFi or AI functionality
❌ Slightly Heavier Outdoor Unit – May require extra effort during installation

9.      Voltas 1.5 Ton 5 Star Inverter Split AC, ISEER -5.0, Annual unit consumption*: 751.28 Units. Approx price 41000

The Voltas 1.5 Ton 5 Star Inverter Split AC (185V Vectra CAR) is a budget-friendly yet efficient cooling solution, offering 4-in-1 adjustable cooling modes and fast cooling technology. Its high ambient cooling (52°C) and wide voltage operation (110V – 285V) make it ideal for areas with fluctuating power conditions.

Key Features:

✔ 4-in-1 Convertible Cooling: Adjusts power based on room size and cooling needs
✔ High Ambient Cooling: Operates effectively in extreme heat (52°C)
✔ Copper Condenser: Ensures better heat transfer, durability & low maintenance
✔ Anti-Dust & Antimicrobial Filters: Provides cleaner indoor air
✔ Turbo Mode & Sleep Mode: Quick cooling & energy efficiency at night
✔ Hidden LED Display & Self Diagnosis: Modern design with easy troubleshooting
✔ R32 Refrigerant: Environmentally friendly with no ozone depletion potential
✔ Noise Level: 38 – 44 dB (Moderate)

Pros:

✅ Affordable pricing for a 5-star AC
✅ Good energy efficiency (ISEER 5.0, 751.28 kWh/year)
✅ Strong cooling even at high temperatures
✅ Self-diagnosis & memory restart features

Cons:

❌ No Smart Connectivity (WiFi model costs extra)
❌ Installation not free (Paid service & additional accessories may be chargeable)
❌ Slightly higher noise level compared to competitors

10.      Blue Star 1.5 Ton 5 Star Wi-Fi Smart Inverter Split AC (2025 Model), ISEER -5.05, Annual unit consumption*: 783.33 Units. Approx price 44000

The Blue Star 1.5 Ton 5 Star Wi-Fi Smart Inverter AC (2025 Model) stands out with its AI-powered smart features, Wi-Fi control, and 5-in-1 convertible cooling. It is a premium offering designed for users looking for smart home integration, advanced cooling, and energy efficiency.

Key Features:

✔ Wi-Fi Smart AC: Control your AC from anywhere using the Blue Star Smart App
✔ AI Pro Technology: Automatically adjusts cooling and fan speed based on ambient conditions
✔ DigiQ Hepta Sensors: 7 intelligent sensors for precise cooling and component protection
✔ 5-in-1 Convertible Cooling: Adjust cooling capacity as needed to save energy
✔ 4-Way Swing: Ensures uniform cooling throughout the room
✔ Energy Management: Track power usage and set daily limits via app
✔ Acoustic Insulation Compressor Jacket: Reduces noise levels for quieter operation
✔ 100% Copper Condenser with Anti-Corrosive Blue Fins: Long-lasting durability and better cooling efficiency
✔ Eco-Friendly R32 Refrigerant: No ozone depletion potential

Pros:

✅ Wi-Fi control & smart scheduling for convenience
✅ AI-powered cooling optimizations
✅ Energy-efficient (ISEER 5.05, 5-star rated, 783.33 kWh/year consumption)
✅ Long warranty (5 years comprehensive, 10 years on compressor)
✅ 4-way swing ensures better airflow distribution

Cons:

❌ Higher price compared to similar models from Godrej and Voltas
❌ Installation is not free (₹999 + GST for standard installation, extra for accessories)
❌ Mixed customer reviews (3.4-star rating)

11. Cruise 1.5 Ton 5 Star Inverter Split AC (2024 Model), ISEER -5.1, Annual unit consumption*: 706.1 Units. Approx price 33000

The Cruise 1.5 Ton 5 Star Inverter Split AC is an affordable yet feature-rich option, making it a great choice for users looking for cost-effective cooling, air filtration, and durability.

Key Features:

✔ VarioQool Convertible 4-in-1 Cooling: Adjust cooling capacity based on needs
✔ 7-Stage Air Filtration with PM2.5 Filter: Removes dust and allergens for cleaner air
✔ Rust-O-Shield Blue Protection: Anti-corrosion technology for longer lifespan
✔ Magic LED Display & Large LCD Remote: User-friendly design with clear display
✔ Smart Diagnosis System: Self-check mechanism for troubleshooting issues
✔ Dehumidifier & Monsoon Comfort Mode: Ideal for humid climates
✔ 100% Copper Condenser Coil: Ensures better efficiency and lower maintenance
✔ Eco-Friendly R32 Refrigerant: Environmentally safe with no ozone depletion

Pros:

✅ Affordable pricing (~₹34,000, lower than premium brands like Hitachi & Blue Star)
✅ Best-in-class energy efficiency (ISEER ~5.1, Annual Energy Consumption ~706 kWh)
✅ Convertible cooling modes for flexible operation
✅ PM2.5 Air Filters provide better indoor air quality
✅ Rust-resistant coating improves durability in coastal/humid areas

Cons:

❌ Limited brand service network compared to Hitachi, Blue Star, or Daikin
❌ Only 1-year comprehensive warranty (less than 5 years offered by Hitachi/Blue Star)
❌ Higher installation charge (₹1,499 + GST, compared to ₹799 for Hitachi)
❌ Lacks Smart Wi-Fi connectivity for app-based control

*As per BEE label

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