Blue Star 1 Ton 3 Star Window AC 3W12LA Review

Summers are all about ice-creams, coconut water, and chilling indoors with AC at the lowest temperature. Buying an air conditioner is quite a task as it should be in our budget and, at the same time, cater to our needs and expectations.

Blue Star Window ACs are economical, easy to install, and an ideal choice for families living in a small space.

Blue Star has always been a trusted brand when it comes to electronic products, and the LA series Window AC facilitates superior cooling. The window AC is available in various capacity ranges.

Copper condenser coil

Copper is very durable, and it is anti-corrosive to withstand high pressures. It allows the faster flow of refrigerant and a better rate of heat transfer compared to aluminum coils. It results in better cooling at a low maintenance cost.

Strong De-humidification

During monsoons, when the level of humidity in the air rises, the de-humidification feature helps reduce excess moisture making the room comfortable.

Dust Filter

Filter traps and removes dust, bacteria, and harmful contaminants from the air to provide you a safe and healthy environment.


The air conditioner comes with a unique self-diagnosis feature that auto-detects faults in operation immediately. The error codes make it easy to solve issues. Soon, the air conditioner starts working quickly.

Anti-freeze Thermostat

The Indoor Coil comes with an anti-freeze thermostat, which is a safety feature to stop the compressor and to protect the unit. Also, making considerations about the harsh Indian climate outdoor units have been built strongly and are durable.

Auto Restart with Memory Function

The AC comes with Auto Restart function in addition to Memory Function. At times of power cut, the air conditioner keeps track of the last setting. It automatically resumes functioning with the same presets, so the user does not have to pick cooling preferences all over again.

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What Do We like


The Self Clean feature helps clean the evaporator coil to prevent dust, fungus, and any other allergen or contamination that can cause breathing problems or severe health ailments. It ensures fresh and clean air at all times.

Energy  efficient

The AC has an Annual Energy Consumption of 897.96 units, comes with a 3-star energy rating, is economical, and saves energy. So no more worries about high electricity prices.


The AC self-diagnoses and detects errors, and the auto restart function with memory function save the user time and energy of choosing the cooling preferences all over again after a power cut.


The product comes with a one year warranty on the product and five years on compressor.

What We Don’t Like

Noisy operations

The noise level of the AC is 53 dB, and once the compressor starts, the AC makes quite some noise, which at times is irritating. Thus, it does not work smoothly and silently.

Not suitable for large rooms

The AC is suitable for small family living in a smaller space up to 110 sq ft but not for large rooms.


The AC comes with self-diagnosis and the self-clean feature. It has a strong de-humidifier to reduce the excess humidity in the room and a very durable copper condenser. It is energy-efficient, comes with a dust filter to trap dust particles and allergens, antifreeze thermostat. The auto restart and memory function makes it a convenient option to go for.

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Purba Bhattacharjee

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