Blue Star 1 Ton 3 Star Inverter Split AC (Copper, IA312YNU)

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Build Aspect

IA312YNU is a 1 Ton 3 star rated inverter split Air Conditioner from the YNU series of Blue Star. The overall looks of the setup is quite boxy. Moreover the depth is more and consequently this AC protrudes quite a lot from the wall. It is not really something that would blend well. However the styling is good and if not for the bulk it would be quite the AC. On the other hand the plastics used are of good quality. The units especially the indoor one feels very well built and robust. It also has blue fins which prevent corrosion of the copper tubing. Taking matters outside we find that while the ODU feels a lot more sturdier than the EBTU series there is some still scope of improvement, especially in build wise. While the ODU will be out of sight mostly it shows the attention to details and competence if the construction is flawless.

Performance Aspect

This is a new breed of 3 star AC from Blue Star. There are changes in its cooling capacity, ISEER as well as fan speed. First of all the cooling capacity is now a very impressive and strong 13693 BTUs. Its ISEER is 3.85 and consequently it is a very efficient 3 star AC. Interestingly its fan speed tops out at 368 CFM which is higher than 338 CFM of the EBTU series. Nonetheless its 4 way auto swing not only is a boon for lazy bums but it also ensures even distribution of  air. Apparently it is a very well built AC mostly and given its price point it can be easily said to be one of the best 1 Ton Split Ac in India.

Also: Do view this fantastic 3 star 1 Ton Split on Amazon before finalizing.


13693 BTUs strong cooling.
4 way auto swing.


No PM 2.5 filter.
Somewhat high in noise.
ODU build is questionable.

Product Details



Nominal Cooling Capacity (tonnage) 1
Star Rating 3 star
(Rated) Voltage/Frequency/Phase 230 V / 50Hz / Single
Cooling Capacity (Watt)(Min~Max) 3500 (1137 ~ 4013)
Cooling Capacity (BTU/hr) 11942
Rated Cooling Capacity (50% Load) (Watt) 1750
Cooling Rated Power Input (Watt) 1163
Cooling Capacity (BTU/hr)(Min~Max) 11942 (3880 ~ 13693)
Cooling Power Input (50% Load) (Watt) 420
ISEER 3.85
Electricity Consumed In 1600 Hours. (Units/Year) 704.42
Nominal Current (Cooling)(Amps) 4.51
Air Flow Volume (Wet CFM) (High / Medium / Low) 368/315/266
Noise Level Indoor (dB(a)) (High/ Medium/ Low) 39/33.8/30.5
Moisture Removal (Litres/Hour) 1.1
Compressor Type Inverter Rotary
Acoustic Jacket On Compressor Yes
Refrigerant Quantity(Kg) 0.49
Ambient Temp (Cooling) (degree C) 52
Remote LCD Remote with Display
Night Glow Function On Remote Buttons No
Net IDU(Product) Dimension (mm) 845 x 300 x 193
Input Power Supply Indoor Unit
Net Weight IDU (kg) 10
Net ODU Dimensions (Width X Depth X Height) (mm) 858 x 327 x 536
Net Weight ODU (kg) 23.5
Noise Level Outdoor (dB(a)) 58
Gross IDU Weight (kg) 11.1
Gross ODU Weight (kg) 27.2
Suction Tube Size Outer Diameter Inch (mm) 3/8″ (9.53mm)
Liquid Tube Size Outer Diameter Inch (mm) 1/4″ (6.35mm)
Max Piping Capability Total (metre) 15
Max Piping Capability Vertical (metre) 10
Refrigerant Additional Charge Beyond 4M (g/m) 15
Power Supply to ODU Source(Core/Gauge) 4C * 1.0sqmm
Power Supply to IDU Source(Core/Gauge) 3C * 1.0sqmm
Remote Battery Type AAA
Product Title YNU| INVERTER AC | 3 STAR | 1 TON
Features Refrigerant R32
Features Condenser Type 100% Copper
Air Conditioner Technology Inverter
Category 3 Star
Country of Origin India


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