Carrier 1 Ton 3 Star Inverter Split AC (Copper, ESTER Exi+)

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Build Aspect

Carrier CAI12ER3R33F0 is a 1 Ton 3 star rated split Air conditioner from the well acclaimed Ester CXI series. This Air conditioner has good looks and build quality which is consistent with Carrier brand theme. The overall silhouette is a mixture of curves and straight lines and this AC gives good overall impressions. The IDU has a little more depth than would be expected and as a consequence it protrudes a little more from the wall. Subsequently if you need something that is slim there are better options. The ODU while is appropriately sized is quite light in weight. It does not feel particularly durable and robust. Moreover we were disappointed to see that the coils lacked even a basic sort of coating.

Performance Aspect

Alright then, about the performance. While this AC is certainly not a beast, it does seem to do an adequate job mostly. For instance its near about 12000 BTU cooling is right on the money, that is right about the cooling power which would be expected of a 1 ton AC. This does a satisfactory job of cooling the room, quickly and effortlessly. However the fan blower is not too strong. It peaks out at 400 CFM which does not seem to help the case of just “adequate job”. Making matters worse is the lack of 4 way swing mechanism. While this AC does not tick all the boxes it does happen to be very affordable and that combined with an acceptable and mostly satisfying cooling makes it a not bad buy at all.

Also: Click here to view this superb AC from LG on Amazon.


Affordable 1 Ton Split.
Acceptable overall cooling.
PM 2.5 filter is included.


2 way auto swing.
ODU build is finicky.

  • Split AC with Flexicool inverter Technology : Variable speed compressor which adjusts power depending on heat load for higher energy savings & cool even @52 °C.
  • Capacity: 1 ton. Suitable for small sized rooms (< = 110 square ft.)
  • Energy Rating: 3 Star, Annual Energy Consumption (as per energy label): 704.46 units, ISEER Value: 3.88 (please refer energy Label on product page or contact brand for more details)
  • Manufacturer Warranty : 1 year on product, 10 years on compressor
  • Copper Condenser Coil: Better cooling and requires low maintenance


In The Box
  • 1 Indoor Unit
  • 1 Outdoor Unit
  • 1 Inter Connecting Pipe
  • 1 Inter Connecting Wire
  • Remote
  • Manual
Model Name
  • Split
Capacity in Tons
  • 1 Ton
Star Rating
  • 3 Star BEE Rating
  • 12045
Annual Energy Consumption
  • 704.46
  • Ester EXI
  • 38db
Cooling Capacity
  • 3530 W
  • High EER Rotary
  • Yes
Remote Control
  • Yes
  • R – 32
Condenser Coil
  • Copper
Indoor W x H x D
  • 85 cm x 27 cm x 22 cm
Indoor Unit Weight
  • 8.4 kg
Outdoor W x H x D
  • 78 cm x 54 cm x 26.5 cm
Outdoor Unit Weight
  • 22 kg
Performance Features
Indoor Temperature Indicator
  • Yes
Turbo Mode
  • Yes
  • 3.88 W/W
Body And Design Features
Evaporator Fin Type
  • Bare
Stepped Louvers
  • Yes
Air Flow & Filter Features
Auto Air Swing
  • No
Air Flow Direction
  • 2 Way Air Direction
Other Air Flow Features
  • 4 Step Fan Speed
Air flow rate
  • 400 CFM
Dust Filter
  • Yes
Active Carbon Filter
  • No
Deodorizing Filter
  • No
Convenience Features
Auto Restart
  • Yes
  • Yes
Child Lock
  • Yes
Quiet Mode
  • Yes
Sleep Mode
  • Yes
Memory Feature
  • No
Self Diagnosis
  • No
Power Features
Power Requirement
  • AC 230 V, 50 Hz
Power Consumption
  • 1055 W
Remote Control Features
LED Backlit Buttons
  • No
Night Glow Buttons on Remote
  • No
Battery Type
  • 2
Other Remote Control Features
  • 4 in 1 Flexi Cool, Auto Mode, Auto Swing, Auto Restart, My Mode (Favorite Mode)


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