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Best Energy Efficient Window AC 1.5 Ton From LG, Voltas, Lloyd, And More

Get uninterrupted cooling along with low maintenance hassle using the best energy efficient window AC 1.5 ton models. Explore features like multiple cooling modes, inverter compressor, convertibility options, etc., to get the perfect home cooling solution.

By : Ishaan Srivastava

Last Updated on : Jan 30, 2026 14:35 IST

Published on : Jan 30, 2026 14:31 IST

Best Energy Efficient Window AC 1.5 Ton From LG, Voltas, Lloyd, And More
Best Energy Efficient Window AC 1.5 Ton
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Summertime is great, but air conditioning is a must when the heat is on. However, it doesn't mean that you have to spend a lot on electricity bills. A 5 star rated window AC is definitely the best installation to get powerful, continual cooling at a very low power consumption. 1.5 ton AC is the most widely used cooling capacity for Indian homes because it cools the room of a medium or large size very efficiently. A 5 star BEE rating certifies the highest energy efficiency level, so these ACs consume less energy to cool the same amount of space as compared to the less energy-efficient models. Take a look at the top energy efficient window AC 1.5 ton models, understanding their features, technology, and performance from the leading AC brands in the market, such as LG, Voltas, Lloyd, and others. We'll assist you in selecting a model that combines strong cooling capacity with smart features such as inverter technology, multiple fan speeds, and enhanced air filtration, thus providing comfort and value all year round.

Are Window ACs Really Energy Efficient?

Window ACs, particularly modern 5-star rated 1.5-ton models, are quite energy efficient. While older fixed-speed units were less efficient than modern split ACs, the newer inverter window ACs (like those from LG and Godrej) have closed the gap. Their high BEE ratings (5-star) guarantee low power consumption, making these air conditioners a cost-effective choice for medium-sized rooms, combining robust cooling with reduced electricity bills.

01

LG 1.5 Ton 5 Star DUAL Inverter Window AC (Copper, Convertible 4-in-1 cooling, 4 Way Air Swing, HD Filter, UW-Q18WUZA, White)

3.8

37399

M.R.P: 0

Buy Now

Experience strong and highly efficient cooling with the 5 Star DUAL Inverter Window AC from LG. Suitable for medium to large rooms, its 5 star BEE rating ensures maximum energy savings while delivering great performance. The innovative DUAL Inverter Compressor keeps changing speed to a minimum, which results in quicker cooling, the longer life of the air conditioner, and a massive lowering of the electricity bill. Change your cooling requirements with the Convertible 4 in 1 Cooling feature, which lets you save energy by changing the number of people or heat load in the room. You will enjoy uniform room temperature facilitated through 4 Way Air Swing. The sturdy Copper condenser is able to deliver high cooling efficiency and only needs low maintenance. The built in HD Filter that collects dust and allergens provides a healthier breathing environment. This LG AC perfectly combines advanced technology, green operation, and powerful cooling.

Specifications:

  • BrandLG
  • ColourWhite
  • Warranty1 Year Comprehensive, 5 Years on PCB, 10 Years on Compressor
  • Dimensions66.0 cm x 45.0 cm x 77.9 cm
  • ModelUW-Q18WUZA
  • ManufacturerLG Electronics
  • ASINB0DQ6821RW
  • Country Of OriginIndia
  • Energy Efficiency5 Star

Reasons to buy:

Extremely quiet and low-vibration operation.

4-Way air swing for uniform room cooling.

Reason to avoid:

Higher repair costs for complex inverter electronics.

02

Godrej 1.5 Ton 5 Star, Turbo Mode, Smart Diagnosis, Pure Air Filter, Anti-Freeze Thermostat, Anti Corrosive Blue Fin Coating, Inverter Window AC (Copper, AC 1.5T WIC 18UTC5 WWA, White)

3.9

30480

27% off

M.R.P: 41900

Buy Now

Comfortably spend your days and nights while the Godrej 1.5 Ton Window AC takes care of your energy bills. Equipped with an Inverter compressor that can change its power consumption level, the unit has a 5 star rating, delivering a combination of great performance and energy, efficiency. In a really short time, the high speed cooling mode, i.e., Turbo Mode, can be used for fast relief from heat. Moreover, the AC unit is built to be durable, and it comes with a Blue Fin anti-corrosive coating on the condenser coil that resists rust and thus ensures that performance is maintained over time. Additionally, thanks to the Pure Air Filter, you will breathe only clean air as it filters out even the tiniest dust and micro pollutants. Moreover, the Smart Diagnosis feature can be used for efficient performance and reliability as it helps to quickly determine and troubleshoot issues, whereas the Anti-Freeze Thermostat allows the unit to perform optimally even in changing conditions.

Specifications:

  • BrandGodrej
  • ColourWhite
  • Warranty1 Year Comprehensive, 10 Years on Compressor
  • Dimensions66.0 cm x 43.0 cm x 70.0 cm
  • ModelAC 1.5T WIC 18UTC5 WWA
  • ManufacturerGodrej & Boyce Mfg. Co. Ltd.
  • ASINB09R4S9B29
  • Country Of OriginIndia
  • Energy Efficiency5 Star

Reasons to buy:

Anti-corrosive coating protects against rust and humidity.

Smart diagnosis simplifies troubleshooting and repairs.

Reason to avoid:

Bulky depth may protrude significantly from the window.

03

Voltas 185V Vertis Topaz 1.5 Ton 5 Star Inverter Window AC Copper Condenser, R32 Refrigerant, High Ambient Cooling, Made in India

4.0

35579

49% off

M.R.P: 69990

Buy Now

Stay cool, comfortable, and energy-efficient with this Inverter AC from Voltas. The 5 star BEE rated model offers remarkable energy savings, enabling you to significantly cut down on electricity bills while still enjoying effective cooling. The Inverter technology modulates the compressor speed according to the heat load, thus offering quick cooling and quiet operation. Equipped with the High Ambient Cooling feature, this 1.5 ton AC is capable of delivering powerful performance even at very high outside temperatures. By opting for a robust Copper condenser, the heat transfer is more efficient, thus the unit will last longer and need less maintenance. This air conditioner runs on the environmentally friendly R32 refrigerant, thereby lessening its impact on the environment. Manufactured entirely in India, this Voltas AC is an ideal combination of high performance, eco-friendliness, and cost efficiency.


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Specifications:

  • BrandVoltas
  • ColourWhite
  • Warranty1 Year Comprehensive, 5 Years on Compressor
  • Dimensions66.0 cm x 43.0 cm x 70.5 cm
  • Model185V Vertis Topaz
  • ManufacturerVoltas Limited
  • ASINB0BY8P7W7T
  • Country Of OriginIndia

Reasons to buy:

Strong cooling performance even at 50C temperatures.

Massive service network ensures easy maintenance.

Reason to avoid:

Lacks modern smart features and advanced air filters.

04

Carrier 1.5 Ton 5 Star Inverter Window AC(Copper,High Density Filter for Dust Filtration, 2Way Air Directional Control, ESTRA Fxi,CIW19SC5R35F0,White)

4.2

37500

M.R.P: 0

Buy Now

Maximize cooling efficiency and comfort with the Carrier 1.5 Ton Inverter AC. This powerful unit is engineered with an advanced Inverter compressor that continuously optimizes its speed, delivering superior 5-star energy savings that dramatically reduce your monthly electricity costs. Experience robust and directional cooling with the 2-Way Air Directional Control, ensuring uniform comfort across your medium to large room. The durable Copper condenser, coupled with the High-Density Filter for Dust Filtration, not only guarantees efficient heat exchange but also ensures you breathe cleaner air by trapping fine particles. Designed for peak performance in diverse Indian weather, the Carrier ESTRA Fxi technology provides reliable, high-ambient cooling. This 5 star ac model is a perfect blend of high-efficiency operation, long-term durability, and smart air quality features, making it an excellent investment for year-round cooling.

Specifications:

  • BrandESTRA Fxi technology
  • ColourWhite
  • Warranty1 Year Comprehensive, 10 Years on Compressor
  • Dimensions66.0 cm x 43.0 cm x 77.0 cm
  • ModelCIW19SC5R35F0 (Estra FXi)
  • ManufacturerCarrier Midea India Private Limited
  • ASINB0CW1M2SJS
  • Country Of OriginIndia

Reasons to buy:

High-density filter effectively removes fine urban dust.

Turbo mode delivers exceptionally fast initial cooling.

Reason to avoid:

Exterior plastic build feels less premium than rivals.

05

Lloyd 1.5 Ton 5 Star Fixed Speed Window AC (Copper, White with Silver Deco Strip, GLW18C5XWSEA)

3.9

31999

M.R.P: 0

Buy Now

The 1.5 Ton 5 Star Window AC is engineered to deliver powerful, consistent cooling while keeping energy bills low, earning its superior 5-star BEE rating. Ideal for medium to large rooms, this unit provides exceptional performance even in the hottest Indian summers. It features 100% inner grooved Copper tubing, ensuring faster heat exchange, enhanced durability, and requiring minimal maintenance over its long lifespan. Experience robust air quality with the advanced Anti-Dust Filter that effectively traps airborne particles, providing you with cleaner, healthier air. The unit operates with a strong dehumidification feature, perfect for monsoons, and its Self Diagnosis function alerts you to potential issues for quick resolution. With its classic design and powerful cooling, the Lloyd AC is a reliable and energy-conscious choice for your home.

Specifications:

  • BrandLloyd
  • ColourWhite with Silver Deco Strip
  • Warranty1 Year Comprehensive, 5 Years on Compressor
  • Dimensions66.0 cm x 43.0 cm x 77.0 cm
  • ModelGLW18C5XWSEA
  • ManufacturerHavells India Limited
  • ASINB0BT99R1M9
  • Country Of OriginIndia
  • Energy Efficiency5 Star

Reasons to buy:

Robust, simple design with lower long-term maintenance.

Modern aesthetic with a stylish silver deco finish.

Reason to avoid:

Fixed-speed motor consumes more power than inverter units.

For More Such Articles, Refer To Jagran Reviews

Best Energy Efficient Window AC 1.5 Ton: Feature Comparison

To help you make an informed decision, this comparison table highlights the key technological and performance features of the top 5-star rated 1.5 Ton Window AC models. Evaluate the differences in compressor types, specialized cooling modes, air swing capabilities, and filtration systems to find the perfect blend of efficiency and comfort for your home.

Product Name

Compressor Type

Cooling Tech / Modes

Air Swing

Filtration

LG (UW-Q18WUZA)

Dual Inverter

4-in-1 Convertible

4-Way (Auto)

HD Filter + Anti-Virus

Godrej (WIC 18UTC5 WWA)

Inverter

Turbo Mode

2-Way (Vert. Auto)

Pure Air Filter

Voltas (Vertis Topaz)

Inverter

High Ambient Cooling

4-Way Swing

Anti-Bacterial + Dust

Carrier (CIW19SC5R35F0)

Inverter

Energy Saver Mode

2-Way Directional

High Density (HD)

Lloyd (GLW18C5XWSEA)

Fixed Speed

Strong Dehumidification

2-Way (Horiz. Auto)

Clean Air Filter

Disclaimer: At Jagran Reviews, we prioritize providing up-to-date information on the latest trending commodities and goods. Links in this article are affiliate links. Please note that our product recommendations are based on independent research and analysis however, Jagran Reviews shall not be held liable for any claims, damages, or disputes arising under applicable laws, including the Consumer Protection Act, 2019. Any issues regarding product quality, delivery, or warranties must be directed to the respective manufacturer or seller. Furthermore, the products featured in this article are organized for reader convenience and are listed in no particular order of priority or ranking.

FAQ's

  • Why is an Inverter AC better for energy savings?
    Unlike fixed-speed models that turn the motor on and off, inverter compressors adjust their speed based on the room’s temperature. This continuous, modulated operation eliminates power-hungry restarts, saving up to 30%.
  • What does the ISEER rating mean for my bills?
    ISEER measures the ratio of heat removed to energy consumed over a season. A higher ISEER value indicates better efficiency; every 0.1 increase can significantly reduce your annual electricity units and costs.
  • How does room size affect AC energy efficiency?
    An undersized AC runs constantly without cooling, while an oversized one cycles too frequently. A 1.5-ton unit is optimal for 150–180 sq. ft., ensuring it reaches the set temperature efficiently without wasting power.
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