Blue Star 3W12LA
Window Air Conditioners

Reviews, Trends, Statistics & More!

Feb 17, 2022 by Trend In Stars team

Review of Blue Star 1 Ton 3 Star Window AC (Copper 3W12LAMilky White)

Key Features:

1 Tons

3 Star

Copper Coil

Blue Star 3W12LA Review

Blue Star is one of the trusted brands when it comes to air conditioners. This AC’s condenser components are made from 100% copper which enhances heat exchange, increase efficiency and lasts long with minimum maintenance. This 1-ton AC is ideal for small rooms up tp 100 sq. ft. and suits Indian climatic conditions. With a built-in accumulator, the compressors in this AC is designed to enhance cooling performance at low energy consumption levels, increasing efficiency and reducing costs. This model comes with practical features and operation modes like Anti-Freeze Thermostat, Auto Mode for Intelligent Cooling, Self-Diagnosis etc.

Real Images


Brand Blue Star
Model 3W12LA
Energy Efficiency 3 Star Rating
Capacity 1 Tons
Noise Level 53 dB
Installation Type Window
Part Number 3W12LA
Special Features Auto Restart with Memory:Ensure the AC remember the last set mode of the user, and automatically resume functioning with the same pre-set mode, making it more user friendly and convenient, during power cuts, High Energy Efficiency Rotary Compressor:Designed to enhance cooling performance at low energy consumption levels, increasing AC efficiency, Metal Enclosure for PCB:Protect AC, acting as fire resistance; shield the electrical components of the PCB circuit from any kind of heat damage or fire, Anti Freeze Thermostat:Protect AC system from freezing, providing extra durability and stability, Comfort Sleep:Intelligently senses variation in indoor temperature and adjusts the same automatically, to keep you comfortable through the night, Hydrophilic Blue Fins for Protection:Ensure AC do not form any water or dust deposits, delivering unhindered cooling performance and enhanced durability, 4 Cooling Modes:Programmed mode, for comfort cooling during different ambient conditions, Self Diagnosis:Alert the user about any fault in the AC operation immediately, through error display; you can report to Blue Star authorised customer care center for quick resolution
Colour Milky White
Control Console Remote Control
Voltage 230 Volts
Material Plastic
Included Components 1N Indoor Unit- W X H X D : 560 X 377 X 615 mm , Weight: 44.5 Kg|| 1N Remote|| 1N Manual|| 1N Installation Kit||1 Warranty Card
Batteries Included No
Batteries Required No
Battery Cell Type Alkaline
Manufacturer Blue Star Limited
Country of Origin India


  • 100% Copper- Blue Star air conditioner's outdoor units are 100% copper, precisely designed to ensure maximum efficiency of the cooling system.
  • Anti-Freeze Thermostat- The anti-freeze thermostat on the indoor coil is a safety feature. It stops the compressor when the unit is set at a very low temperature and runs in cool mode. This prevents frost from forming on the heat exchanger thus, protecting the unit.
  • Auto Mode for Intelligent Cooling- When the Auto Mode is chosen on your Blue Star Air Conditioner, it automatically selects the cooling program that is optimal for current weather conditions, keeping you comfortable.
  • Comfort Sleep- Intelligently senses variation in indoor temperatures and adjusts the same automatically, to keep you comfortable through the night.
  • High Energy Efficiency Rotary Compressor- Engineered with “High-Energy Efficiency Rotary Compressor”, with a built-in accumulator, the compressors in Blue Star Air Conditioners are designed to enhance cooling performance at low energy consumption levels, increasing efficiency and reducing costs.
  • Self-Diagnosis- Blue Star’s Air Conditioners are programmed with a unique ‘Self-diagnosis’ feature that alerts you of a fault in operation immediately. Error codes make it easy to troubleshoot issues and you can have the air conditioner up and running immediately.
  • Specially Designed PCB Metal Enclosure for Double Fortification- Blue Star’s Air Conditioners come with an in-built ‘Specially Designed PCB Metal enclosure’ to shield the electrical components of the PCB circuit from heat damage.

Blue Star 3W12LA Trends & Statistics

Reviews by verified buyer helps!

Significantly large number of verified buyer (145 to be precise) have rated this Blue Star 3W12LA model at 4.2 out of 5 which indicates that all those customers overall loved it after personally using it.

Overall Rating*    (145 reviews)

4.2 out of 5

Is this price Worth it? See the Alternatives and Price Comparison!

Price range of models with similar set of features varies from ₹21,790 to ₹26,900. Current price ₹26,900 of this model is highest in this price range and is 10.49% higher than average price in this range.



₹26,900 as of 17/02/2022 10:32PM IST

See how much Blue Star 3W12LA is popular compared to its alternatives!

This Blue Star 3W12LA model made its way to the top best selling Window Air Conditioners and is currently ranking at 101st position in Air Conditioners in India. Compared to the popularity of its alternatives with a similar set of features, this model is moderately popular among buyers. 




Please Note: Product prices and availability are accurate as of Feb 17, 2022 11:37PM IST and are subject to change. Any price and availability information displayed on at the time of purchase will apply to the purchase of this product.

Alternatives With Set Of Similar Features

Undoubtedly Blue Star 3W12LA is one of the best Window Air Conditioners model currently available in the market but there are alternatives available too and you can consider those in place of this product. We have anaysed 45 latest best selling Window Air Conditioners and came up with below suggestions which are offering more or less similar features.

CROMA CRAC1156 will give you same set of key features at cheaper price. It will save you ₹4,910 on purchase price.

Haier HWU12C-CV3CNB1 will give you extra key features at almost same price. You will be getting HD Filter features extra.

Lloyd GLW12B32WSEW offers same features but is more popular (rank #19) compare to this Blue Star 3W12LA (rank #101) model.

Croma 1 Ton 3 Star Window AC (Copper, CRAC1156, White) with FREE Installation


1 Tons 3 Star Copper Coil
Haier 1 Ton 3 Star Window AC (Copper, High Density Filter, 2020 Model, HWU12C-CV3CNB1, White)

Haier HWU12C-CV3CNB1

1 Tons 3 Star Copper Coil HD Filter
Lloyd 1.0 Ton 3 Star Window AC (GLW12B32WSEW, White)

Lloyd GLW12B32WSEW

1 Tons 3 star Copper Coil

Blue Star as Window Air Conditioners brand

Blue Star is India origin brand and is selling really good quality of Window Air Conditioners in India. Blue Star Limited is an Indian Multinational company specialising in designing, developing, manufacturing and marketing a wide variety of AC and commercial refrigerators

Based on 1896 reviews of 10 Blue Star Window Air Conditioners we can on average say that, they are rated Best on Cooling, Best on Value for Money, Better on Sleep mode, Better on Design & Features, Better on Value for money, Better on Energy efficiency and Better on Noise Level parameter

Customer satisfaction reflecting from review rating (avg 4.25 stars) by verified buyers shows that the Blue Star Window Air Conditioners provide Better customer satisfaction than its competitors like Haier, Voltas and other in this category.

Frequently Asked Questions

How much room size does this 1 Tons AC cover?

This 1 Tons AC will cover room size upto 150 sq.ft. in normal scenarios. You should consider going for higher capacity AC if your place is going to be crowded or have more number of heat generating appliances or big windows in the direction where direct sunlight is expected.

Should I buy a 4 star AC instead of this 3 Star AC?

It all depends on your usage. If you are planning to use this AC only for a few hours in a day then stick to this 3 Star AC as it will save you money on initial cost. If you are going to use it for longer hours like overnight then go for 4 Star AC.

How much is the warranty on this product?

1 year warranty on product, 5 years warranty on compressor

Covered: Manufacturing Defect is Covered in Warranty

For any warranty related issues, please call the Blue Star Customer Support -
18002091177 / 18602666666


So if you are looking for a best Window Air Conditioners for room size upto 150 sq.ft. with Moderate usage then Blue Star 3W12LA is right for you. It offers durability and all weather endurance with the help of copper coil. Blue Star 3W12LA is one of best setting product available online in its category and is Popular among buyers. It will surely give you Good satisfaction.