Air Conditioners Review
Voltas 183V Vectra CAW 1.5 Ton 3-Star Inverter AC Review
Our verdict
The Voltas 183V Vectra CAW is a budget 1.5 ton 3-star inverter split AC with a copper condenser, solid cooling and a wide service network, but it uses noticeably more power than 5-star rivals.
Buy it if
- Buyers who want the lowest upfront price from a major brand
- Rooms of 120 to 150 sq ft used a few hours a day
- Small towns where Voltas service is the one you can count on
Skip it if
- You run the AC eight or more hours a day, where a 5-star model pays back
- You want Wi-Fi or a PM2.5 filter
What we like
- Lowest price in this group
- Copper condenser and 4800 W rated cooling
- Held 24 °C at 45 °C outdoors, though slower
- Wide Voltas service network
What we don’t
- ISEER of 3.8 means higher electricity bills than 5-star models
- Louder than LG, Daikin and Panasonic
- No Wi-Fi or PM2.5 filter
- Promotional 5-year comprehensive cover ended for purchases after March 2026
Score breakdown
- Performance
- 7.6
- Build quality
- 7.2
- Noise
- 6.9
- Ease of use
- 7.4
- Features
- 6.5
- Value for money
- 8.4
- Energy efficiency
- 6.4
- After-sales service
- 8.2
The Voltas 183V Vectra CAW suits a buyer who wants the lowest upfront price from a major brand and will run the AC for a few hours a day in a bedroom of 120 to 150 sq ft. The trade-off is electricity. With an ISEER of 3.8 it uses clearly more power than the 5-star ACs here, which matters if you run it all night.
How well does it cool in the heat?
In a 130 sq ft room at 34 °C, the Voltas reached 24 °C in about 25 minutes. At 45 °C outdoors it took 37 minutes and ran at near full power, then held the set point. The copper condenser and 4800 W rating are what you would want in this segment, and the 4-in-1 modes let you drop capacity for lighter loads.
How much will it cost to run?
Settled at 24 °C it drew about 900 W, and an eight-hour night used about 7.2 units. At Rs 8 per unit, nightly use works out to roughly Rs 1,730 a month, against roughly Rs 1,200 to Rs 1,270 for the Carrier, LG and Daikin. If you run the AC only evenings, the gap is small; for all-night use it is about Rs 500 a month.
Is it noisy?
Indoors it measured about 38 dB on low and 48 dB on turbo at one metre, louder than the LG, Daikin or Panasonic. The compressor is audible at low speeds. For a light sleeper, we would pick a 5-star model.
Will it run on an inverter or with voltage swings?
On a 3 kVA home inverter it ran, though the higher draw eats more battery than a 5-star model; plan for shorter backup. With the supply dipping to 180 V it kept running. Voltas has long experience with Indian voltage conditions, and a voltage-protected plug is still sensible.
What features are missing?
There is no Wi-Fi and no PM2.5 filter. You get a remote, SuperDry dehumidification for humid coastal cities, and 4-way swing. For a basic bedroom AC that is enough.
What about service, installation and warranty?
This is the Voltas’s strong point. It has one of the widest service networks in India, and technicians reach small towns more reliably than Carrier or Daikin. Voltas lists ten years on the compressor and five on the PCB. A five-year comprehensive promotion applied to purchases up to 31 March 2026, so confirm what your invoice says. Installation is charged separately, and extra copper piping beyond the included length is billed on top; get the quote in writing.
Who should buy a 5-star AC instead?
Anyone who runs the AC all night every night through a north Indian summer. The Carrier costs more upfront, but its monthly bill is lower and its filter and app are better.
Test results
| Cool-down, 34 to 24 °C How we test this : Cool-down, 34 to 24 °C | 25 min 130 sq ft bedroom. |
|---|---|
| Cool-down at 45 °C outdoors How we test this : Cool-down at 45 °C outdoors | 37 min 130 sq ft bedroom; ran at near full power. |
| Holds 24 °C at 45 °C outdoors How we test this : Holds 24 °C at 45 °C outdoors | Pass |
| Power draw, settled at 24 °C How we test this : Power draw, settled at 24 °C | 900 W |
| Energy over an eight-hour night How we test this : Energy over an eight-hour night | 7.2 units |
| Indoor noise, low fan How we test this : Indoor noise, low fan | 38 dB |
| Indoor noise, turbo How we test this : Indoor noise, turbo | 48 dB |
| Runs on a 3 kVA home inverter How we test this : Runs on a 3 kVA home inverter | Pass Higher draw than a 5-star model means shorter battery backup. |
| Keeps cooling at 185 V or below How we test this : Keeps cooling at 185 V or below | Pass Tested with the supply dipping to 180 V. |
Measured on the unit we tested.
How we tested
We ran the Voltas for four weeks in a Bhopal flat with afternoon outdoor temperatures of 37 to 45 °C. We timed pull-down from 34 to 24 °C, logged power at the settled 24 °C set point and over eight-hour nights, measured indoor noise at one metre, and repeated the pull-down at 43 to 46 °C. We also tested on a 3 kVA inverter and with the supply dipping to 180 V.
We bought this unit at retail price.
How does the Voltas 183V Vectra CAW 1.5 Ton 3 Star Inverter Split AC compare?
-
Carrier CAI18EE5R36W0 1.5 Ton 5 Star Inverter Split AC B+ 8.0
The Carrier CAI18EE5R36W0 costs more upfront but used 5.0 units over an eight-hour night against the Voltas's 7.2, and adds Wi-Fi and a PM 2.5 filter. The Voltas has the wider service network in small towns.
-
LG AS-Q19AWZE 1.5 Ton 5 Star AI Dual Inverter Split AC A− 8.7
The LG AS-Q19AWZE costs more but was quieter on low (29 against 38 dB), cooled faster at 45 °C outdoors (27 against 37 minutes) and used 5.1 units over an eight-hour night against 7.2. Both brands have wide service networks.
-
Daikin MTKM50XV16 1.5 Ton 5 Star Inverter Split AC B+ 8.2
The Daikin MTKM50XV16 costs more but used 5.3 units over an eight-hour night against 7.2 and was quieter on low (32 against 38 dB). Voltas technicians reach small towns more reliably than Daikin's.
-
Panasonic CS/CU-NU18BKY5WX 1.5 Ton 5 Star Inverter Split AC B− 7.4
The Panasonic CS/CU-NU18BKY5WX costs more but was quieter on low (33 against 38 dB), used 4.9 units over an eight-hour night against 7.2, and adds Wi-Fi and a PM 0.1 filter.
Key specs
| Capacity | 1.5 ton, 4800 W |
|---|---|
| BEE rating | 3 star (ISEER 3.8) |
| Compressor | Inverter |
| Condenser | Copper |
| Refrigerant | R32 |
| Modes | 4-in-1 cooling, turbo, 4-way swing, SuperDry dehumidification |
| Warranty | 1 year standard (5-year comprehensive promo for purchases up to 31 Mar 2026), 5 years PCB, 10 years compressor |
Questions buyers ask
Is a 3-star AC like the Voltas 183V Vectra CAW worth buying?
It is if you use it for fewer than four to five hours a day. At 7.2 units per eight-hour night, the Voltas 183V Vectra CAW costs about Rs 500 a month more than a 5-star rival, so heavy users recover the saving in a few seasons.
Does the Voltas 183V Vectra CAW work at 45 °C?
Yes. It reached 24 °C in 37 minutes at 45 °C outdoors in our test and held it, though it ran at near full power.
What is the warranty on the Voltas 183V Vectra CAW?
Voltas lists ten years on the compressor and five on the PCB. A five-year comprehensive promotion applied to purchases up to 31 March 2026, so confirm what applies to your invoice.
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