What is dB in Split ACs?

dB stands for decibel, which is a unit used to measure sound levels. In split ACs, the lower the dB number, the quieter the operation. For example, 30 dB is like a whisper, while 50 dB is more like normal conversation.

How to know if an air conditioner is silent or less noisy?

Just check the indoor noise level mentioned in the specs. Anything around 30-35 dB is considered very quiet. Also, see if it says things like “Silent Operation”, “Low Noise,” or has a sleep mode, all signs of quiet cooling.

What are the best split AC features that ensure silent operation?

Inverter Compressor (adjusts speed, avoids loud on/off), Brushless DC motor (less vibration), Twin or Dual Inverter tech, Insulated compressor compartment, Silent or Night mode feature, These features help the AC work quietly, especially during the night.

Why AC With Less Noise Works Well For Bedrooms? Let’s Understand With The Best Options Of 2025

For a peaceful bedroom environment, it's important to have devices that operate quietly, including split ACs. Explore what makes an AC run silently and what to check before buying.

By : Annpurna Banswal
Last Updated on May 03, 2025 21:29 IST
Published on May 03, 2025 21:29 IST

Best Split AC With Silent Operation

Air conditioners are a basic need these days, especially in extremely hot areas. But a noisy split AC can make things worse, especially in bedrooms. The reasons may vary; it could be for a kid’s peaceful sleep or just for your own comfort. That’s why we say, having a silent or low-noise split AC is a necessity. But how would you know whether a particular air conditioner is actually noise-free or not? And even if you do, what are the brands you should consider? Would they really offer what they promise on paper? Well, that’s exactly what we’re going to talk about here. Stick around if these questions have been on your mind too. We’ve tried to simplify everything to help you pick the right one without much confusion. After all, a calm atmosphere is something we all deserve, right?

How To Check The Noise Level Of A Split AC?

It’s not rocket science to know how silent or noisy a split AC is, but yes, a few things matter. Before buying, always check the indoor unit's noise level mentioned in decibels (dB) in the product specs. The lower the number, the quieter it is. For instance, around 30 dB or below 40 dB is considered good for bedrooms. Also, terms like “silent operation”, “quiet mode” or "inverter technology" in features tell if the model is silent. Plus, considering user reviews to see what people actually say about the noise is a good idea.

What Are The Best AC Brands To Consider?

Now that you know what to check, the next thing is—where to look? Not every brand that promises silent performance delivers it. But some names have actually earned trust when it comes to low-noise split ACs. Home solutions and electronics brands like LG, Lloyd, Panasonic, Daikin, and Haier are often preferred for bedrooms because they offer smooth and quiet operation. Many of their split AC models come with noise levels as low as around 30 dB, along with external noise-free technologies such as inverter technology and quiet modes. So if silence is your priority, you know which names to start your search with.

Product Spotlight: Noise-Less Best Split ACs

If you are into smart home solutions and quiet electronics, this list of the best 1.5 ton ACs is just for you. Go through each option, we are added full details so you don’t miss anything. And no worries, all these picks are genuinely low-noise, so you can enjoy the cooling silently without any unwanted humming.

LG 1.5 Ton 5 Star DUAL Inverter Split AC
This LG AC runs so quietly, you might forget it’s even, only 31 dB inside. It’s perfect for those who can’t stand background noise while working, sleeping, or just chilling. The dual inverter compressor adjusts smartly to room temperature, ensuring energy savings and uninterrupted cooling, even at 55°C. The 6-in-1 convertible cooling, VIRAAT mode, and HD filter with antivirus protection make it both versatile and health-friendly. Its 5-star rating with 744.75 units annual energy consumption shows it won’t scare your electricity bill either. The 100% copper condenser with Ocean Black Protection handles rust and corrosion with ease. LG also added smart touches like ADC sensors, comfort air, monsoon dry mode, and a silent mode. Whether it’s hot days or humid nights, this 1.5 ton AC does its job without making a sound. Add the LED Magic Display and 6 fan steps, and you’ve got a machine that’s clever, quiet, and seriously up to the mark.
Specifications
- Brand: LG
- Capacity: 1.5 Tons
- Cooling Power: 5 Kilowatts
- Special Feature: Inverter Compressor, Remote Controlled, 4 Way Swing, Auto Clean, sleep_mode
- Product Dimensions: 21D x 99.8W x 34.5H Centimeters
Highlights:
- Dual inverter, 6-in-1 mode, Gold Fin+, HD Filter
Pros:
- Very silent (31 dB)
- Cools at 55°C
- Ocean Black Protection
Cons:
- Slightly premium in pricing
User Ratings:
- 4.0 / 5
01
Lloyd 1.5 Ton 3 Star Inverter Split AC
Don’t you hate that loud hum from the AC that ruins your quiet evenings? This Lloyd AC doesn’t do that. With just 32 dB of indoor noise, it lets you rest, relax or even record audio without any distraction. It’s a 5-in-1 convertible 1.5 ton AC, adjusting from 30% to 110% cooling to match your needs, pretty neat, right? The blue fins on the copper coil resist corrosion, keeping the cooling solid and maintenance low. Even at 52°C outdoors, it delivers a comfortable breeze indoors. The hidden LED display gives a clean look, and it runs without a stabilizer between 140-280V. Other handy features? Turbo cool for those boiling afternoons, PM 2.5 filter for cleaner air, and low gas detection. It’s also got auto restart, installation check, and energy-saving R32 refrigerant. With 3 stars in energy efficiency, this one makes a solid pick for anyone who values peace, comfort, and practicality in one frame.
Specifications
- Brand: Lloyd
- Capacity: 1.5 Tons
- Cooling Power: 4.75 Kilowatts
- Special Feature: Golden Fin Evaporator; Anti-Viral Filter + PM 2.5 Filter, 5 in 1 Convertible; Cools Even @ 52 ˚C, Low Gas Detection; Clean Filter Indication, Installation Check; Stabilizer Free Operation; Hidden LED Display, Turbo Cool; 100% Copper
- Product Dimensions: 21.7D x 87W x 30H Centimeters
Highlights:
- 5-in-1 mode, Blue Fin coils, Turbo cool
Pros:
- Silent (32 dB)
- 4m long air throw
- Low gas detection
Cons:
- Only 3 Star energy rating
User Ratings:
- 4.0 / 5
02
Haier 1.5 Ton 3 Star Twin Inverter Split AC
Here’s something for those who enjoy pin-drop silence, this Haier AC runs like a breeze without the buzz. Thanks to its twin inverter compressor and super quiet mode, this 1.5 ton AC stays calm even during peak hours. Plus, it cools up to 54°C with no drama. With 7-in-1 Intelli convertible modes, you get full control over how cool you want your space, be it 40% or 110%. What’s impressive is its self-cleaning feature; with one button, it gives the indoor unit a wet wash, getting rid of 99.9% dust and germs. You won’t need a stabilizer either—the Hyper PCB keeps it steady. The 3-star energy rating, hidden display, PM 2.5 filter, low gas warning, and copper coil all come together in this smart setup. And that 900 CFM airflow? Feels like a mini storm, only quiet. This one suits those who want powerful cooling, fresh air, and peaceful vibes, all packed into one.
Specifications
- Brand: Haier
- Capacity: 1.5 Tons
- Cooling Power: 16380 British Thermal Units
- Special Feature: Anti Bacterial Filter, Silent Mode, Dehumidifier, Auto Clean, Fast Cooling
- Product Dimensions: 20D x 86.5W x 29H Centimeters
Highlights:
- 7-in-1 mode, Frost self-clean, Super micro filte
Pros:
- Twin inverter
- Indoor wet clean in 21 min
- Hyper PCB for voltage fluctuation
Cons:
- Noisy outdoors in some cases
User Ratings:
- 3.8 / 5
03
Panasonic 1.5 Ton Smart Split AC
If quiet is your comfort zone, this Panasonic AC will fit in perfectly. It operates silently, giving you a cooling experience without any annoying noise. Designed with a 5-star rating, it’s not only efficient but also energy-conscious with just 759.55 kWh of annual use. The PM 0.1 filter takes care of air quality by removing fine particles, so you breathe healthier air. With ShieldBlu+ coating on the heat exchanger, durability gets a real boost. The 4-way swing and convertible cooling modes (45% to over 100%) help you manage comfort your way, even when it’s burning at 55°C outside. And yes, it cools fast with 703 CFM airflow. Whether you're working from home, binge-watching shows, or sleeping like a baby, the noiseless operation stays consistent. This 1.5 ton AC isn’t just about cooling, it’s a proper home solution for peaceful, low-maintenance, and power-efficient comfort with electronics that don’t shout, but perform.
Specifications
- Brand: Panasonic
- Capacity: 1.5 Tons
- Cooling Power: 17402 British Thermal Units
- Special Feature: 7-in-1 Convertible + True AI, India's 1st Matter Enabled RAC, Wi-Fi Smart & Voice Controlled (Works with Alexa & Google Home), 55 Deg. C Operation & Higher Airflow, 4 Way Swing
- Product Dimensions: 24.9D x 104W x 29.6H Centimeters
Highlights:
- 7-in-1 convertible, PM 0.1 filter, ShieldBlu+
Pros:
- 703 CFM airflow
- Very energy efficient (5.20 ISEER)
- Healthy air quality
Cons:
- Slightly heavier unit
User Ratings:
- 4.0 / 5
04
Daikin 1.5 Ton 3 Star Inverter Split AC
Let’s keep it short, this Daikin 1.5 ton AC is a no-noise champion. At just 30 dB, you can expect whisper-quiet operation while it cools every corner with 3D airflow. The 1.5-ton capacity and 16-meter long air throw mean it doesn’t leave a single warm spot behind. It’s powered by an inverter swing compressor and Hepta Sense tech that adjusts the cooling smartly, based on the heat load. Triple display adds ease—set temperature, power use, and error codes, all at a glance. With a copper coil and DNNS self-heal coating, you won’t have to worry about rust or frequent repairs. The 3-star rating keeps the bills in control, and features like Power Chill, Auto Restart, Turbo Mode, and PM 2.5 filter take care of your comfort and air quality. Dew Clean tech ensures fresh air by cleaning the coil internally. Whether it’s summer noon or midnight, this one cools silently and smartly.
Specifications
- Brand: Daikin
- Capacity: 1.5 Tons
- Cooling Power: 17100 British Thermal Units
- Special Feature: High Ambient Operation upto 52°C, 3D Airflow, Dew Clean Technology, Triple Display, PM 2.5 Filter
- Product Dimensions: 22.9D x 88.5W x 29.8H Centimeters
Highlights:
- Triple display, Dew clean, 3D airflow
Pros:
- Super silent (30 dB)
- Power chill mode
- PM 2.5 filter
Cons:
- N/A
User Ratings:
- 3.9 / 5
05

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Disclaimer: At Jagran, we prioritize providing the up-to-date information on the latest trending commodities and goods. This Article is written and vetted by our in-house category authors in sync with the Google guidelines on product reviews and shoppable content. Jagran is in an associate partnership, so we may earn a part of the revenue when you make a purchase. We shall not be liable for any claim under applicable laws, including but not limited to the Consumer Protection Act, 2019, concerning the products. The products listed in this article are in no particular order of priority.

Faq's

What is dB in Split ACs?
+
dB stands for decibel, which is a unit used to measure sound levels. In split ACs, the lower the dB number, the quieter the operation. For example, 30 dB is like a whisper, while 50 dB is more like normal conversation.
How to know if an air conditioner is silent or less noisy?
+
Just check the indoor noise level mentioned in the specs. Anything around 30-35 dB is considered very quiet. Also, see if it says things like “Silent Operation”, “Low Noise,” or has a sleep mode, all signs of quiet cooling.
What are the best split AC features that ensure silent operation?
+
Inverter Compressor (adjusts speed, avoids loud on/off), Brushless DC motor (less vibration), Twin or Dual Inverter tech, Insulated compressor compartment, Silent or Night mode feature, These features help the AC work quietly, especially during the night.

More For You

Why AC With Less Noise Works Well For Bedrooms? Let’s Understand With The Best Options Of 2025

How To Check The Noise Level Of A Split AC?

What Are The Best AC Brands To Consider?

Product Spotlight: Noise-Less Best Split ACs

LG 1.5 Ton 5 Star DUAL Inverter Split AC

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Lloyd 1.5 Ton 3 Star Inverter Split AC

Specifications

Haier 1.5 Ton 3 Star Twin Inverter Split AC

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Panasonic 1.5 Ton Smart Split AC

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Daikin 1.5 Ton 3 Star Inverter Split AC

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Faq's