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1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) vs 1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W)

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Quick verdict

  • 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) is better for low electricity bills.
  • 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) leads on overview.
  • 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) leads on cooling and efficiency.
  • 1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W) leads on build.
  • 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) has the higher Comparezi Score (82.4).

Computed from stored specifications, the published air conditioners scoring rules and recorded prices. Not an opinion.

Winners by area

Overview 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0)
Cooling and efficiency 1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0)
Build 1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W)

Specifications side by side

Spec
1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0)
1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W)
Overview
Type
Split
Split
Capacity
1 ton
1 ton
Energy rating
5 star (better)
4 star
Inverter compressor
Yes
Yes
Model number
CAI12PE5R36W0
CS/CU-NU12BKY4W
Launched
—
2026
Cooling and efficiency
ISEER
5.6 W/W (better)
5.2 W/W
Star label year
2026
—
Cooling capacity
3,400 W
3,450 W (better)
Power consumption
745 W
—
Annual energy use
470.04 kWh/year (better)
514 kWh/year
Cools at outdoor temperature up to
55 °C
55 °C
Convertible modes
6-in-1 (FlexiCool)
8-in-1
Build
Condenser coil
—
Copper
Copper condenser
—
Yes
Refrigerant
R32
R32
Noise level
35 dB
32 dB (better)
Features
Wi-Fi / app control
Yes
Yes
Filters
Top HD filter, PM 2.5 micron filter
PM0.1 Filter
Self-clean
Yes
Yes
Colours
—
White
Warranty
Product warranty
1 year
1 year
Compressor warranty
—
10 years
Warranty terms
Promotional 5 years comprehensive warranty: extension of warranty period for 4 years after the completion of the standard warranty, for Carrier Split Inverter ACs up to 2.0T purchased 1 Feb 2026 to 31 Dec 2026
1 year on product, +4 years on PCB and +9 years on compressor.

A tick marks the better value where the category rules say higher (or lower) is better. Text values are shown without a winner. Ties have no winner.

Price and availability

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1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0)

No price yet

No current price recorded.

1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W)

₹37,990

Pros and cons

1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0)

  • Pro: BEE-label energy use of 470.0 kWh a year, lower than 86% of the 22 1-ton split ACs on Comparezi that state it
  • Pro: Wi-Fi control from a phone app

1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W)

  • Pro: Wi-Fi control from a phone app

Which should you buy?

1 Ton 5 Star Inverter Split AC (CAI12PE5R36W0) if you want the strongest overall specification: it has the higher Comparezi Score (82.4).

1 Ton 4 Star Inverter Split AC (CS/CU-NU12BKY4W) if price matters most: it is the cheaper option at ₹37,990.

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