Top 10 Quietest Window Air Conditioners for Noise-Free Comfort

Spring is already here, it is the best time to buy air conditioners for cooling summers’ heat. Various types of air conditioner available out there- ductless, split, portable and central air conditioning. Among these types window ACs are considered most affordable and budget friendly but due to its low price and simple design there is also doubt about its efficiency of course quiet operation. 

Well, window air conditioners are not yet thing of the past, these simple affordable machines are still very desirable by so many people to fit in to their needs and so many brands keep upgrading window ACs with new features, as new as voice assistance from Alexa, remote control,  smart phone control, LCD, in-built wi-fi, energy saving technology and noise reduction feature is no exception. 

If you are too looking for such advanced window air conditioners, head down to discover the list of Top 10 Quietest Window Air Conditioners:

ProductCooling Power (BTUs)Noise Level (dB)Room Size Coverage (sq. ft.)Energy EfficiencyAdditional Features
TOSOT Tranquility800042Up to 350Energy StarAdjustable air vents
Haier Serenity600042Up to 250Energy StarElectronic controls, dehumidify mode
LG LW 8017ERSM800052Up to 340Energy StarLG ThinQ App, voice control
Soleus Air Exclusive600038Small to medium-sized roomsEnergy-savingMyTemp sensor, LCD remote control
Emerson Quiet Kool1500052Up to 700Energy StarWi-Fi enabled, programmable timer
Midea U MAW08V1QWT800042ENERGY STAR Most Efficient 2022U-shape design, flexible window opening
Frigidaire Gallery800041Up to 350ENERGY STAR Most EfficientInverter technology, Wi-Fi connectivity
GE Profile ClearView1030040Energy StarFlex-depth design, built-in Wi-Fi
Frigidaire FHWW083WBE800050Up to 350Energy StarWorks with Alexa and Google Assistant
Windmill AC with WhisperTechEnergy StarAuto-dimming LED display, WiFi and app connectivity, voice commands
emerson quiet ac window

Editor’s Choice: Emerson Quiet Kool EARC15RE1

How many dB is a quiet air conditioner?

A quiet air conditioner typically operates at a noise level between 40 to 50 decibels (dB) or lower. However, the definition of “quiet” can vary depending on individual preferences and environmental factors. Some people may consider an air conditioner to be quiet if it operates below 50 dB, while others may prefer even quieter units with noise levels below 40 dB. Ultimately, the perception of quietness may differ from person to person.

Quietest Portable Air Conditioner

1. TOSOT Tranquility 

 a powerful and silent-friendly window air conditioner designed to keep you cool and comfortable. With a max noise output of only 42 dB, it operates as quietly as a library, thanks to the improved drainage outlet. Its 8000 BTUs of cooling power efficiently cool rooms up to 350 sq. ft., making it perfect for bedrooms, living rooms, dorms, or small apartments.

tosot quiet ac

The adjustable air vents ensure that cool air reaches every corner, while the Energy-Star rating saves you money and reduces environmental impact. With easy installation and compact dimensions of 18.8″D x 21.4″W x 14″H, the TOSOT Tranquility is the ideal cooling solution.


  • Silent-friendly with a noise level of 42 dB.
  • Efficient cooling for spaces up to 350 sq. ft.
  • Adjustable air vents for widespread cool air distribution.


  • Drainage outlets may produce a faint sound during operation.
  • Limited color option available, only in white.

2. Haier Serenity

 This quiet and silent-friendly AC unit operates at a sound level as low as 42 dB, providing maximum cooling with minimum noise disruption. With its 6000 BTUs of cooling power, it’s perfect for small rooms up to 250 sq. ft. The Energy Star certification ensures efficient operation and lower utility bills.

haier quiet window ac

Enjoy the convenience of electronic controls and a remote for easy adjustment, along with features like dehumidify mode and 4-way air direction. Installation is a breeze with the included EZ Mount window kit. Stay cool and relaxed with the Haier Serenity.


  • Ultra-quiet operation at 42 dB.
  • Energy Star-certified for energy efficiency.
  • Multiple cooling modes and fan speeds for personalized comfort.


  • Limited color option available, only in white.
  • Remote control may have limited range.

3. LG LW 8017ERSM

With its capacity of 8000 BTUs, it efficiently cools rooms up to 340 sq. ft., making it perfect for medium-sized spaces. The low noise performance ensures a quiet and peaceful environment, with sound levels as low as 52dB in low mode. Enjoy the convenience of smart control through the LG ThinQ App, allowing you to control the air conditioner from anywhere using your smartphone or voice commands with Google Assistant or Amazon Alexa.

lg quiet window ac

This Energy Star-certified unit not only provides superior cooling but also helps save electricity. Customize your cooling experience with multiple fan speeds and the Auto Cool feature.


  • Smart phone control via LG ThinQ App and voice assistants.
  • Low noise performance for a peaceful environment.
  • Energy Star certified for energy efficiency and savings.


  • Limited color option available, only in white.
  • Dehumidifier capacity of 2.2 pints may be relatively low.

4. Soleus Air Exclusive

 This portable unit weighs 80 pounds and has a cooling power of 6000 BTUs, making it ideal for cooling small to medium-sized rooms. With a noise level of only 38 dB. The exclusive design allows for easy installation over the window sill without any tools and it fits windows 24″ to 48″ wide with a minimum height clearance of 16″. The MyTemp sensor on the remote control ensures precise cooling wherever you are in the room, and energy-saving features like the 24-hour timer, energy saver mode, and sleep mode help reduce energy costs.

soleus quiet window AC

The LCD remote control and electronic controls provide easy access to all the industry-leading features, and the washable and reusable filter ensures easy maintenance and extends the product’s lifespan. 


  • Innovative design combining portable, window, and mini-split AC.
  • Quiet operation with a noise level of only 38 dB.
  • Easy installation and convenient remote control with advanced features.


  • Limited color option available, only in white.
  • Limited window compatibility, fits windows with a maximum sill clearance of 11 inches.

5. Emerson Quiet Kool EARC15RE1

designed to provide efficient cooling for spaces up to 700 sq. ft. With its cooling power of 15000 BTUs, it creates a comfortable environment in bedrooms, living rooms, apartments, and more. At just 52dB, it operates quietly, ensuring a peaceful atmosphere. Energy Star-rated for efficiency, it helps save money on electric bills with an 11.9 EER. The programmable timer and sleep mode allow for personalized scheduling and energy savings.

emerson quiet window Ac

With a 1-2-5 warranty, you can use this Wi-Fi-enabled AC unit with confidence. Enjoy the flexibility of split air exhaust vents and three fan speeds for optimal airflow control.


  • Powerful cooling for up to 700 sq. ft.
  • Quiet operation at just 52dB.
  • Programmable timer and sleep mode for energy efficiency.


  • Limited color option available, only in white.
  • Dehumidifier capacity of 3.5 pints may be relatively low.
  • May require professional installation for optimal performance.

6. Midea U MAW08V1QWT

a smart and ultra-quiet window air conditioner designed to provide efficient cooling and comfort. With 8000 BTUs of cooling power, it effectively cools your space while operating at a low noise level of 42dB, offering a peaceful environment. The U-shape design blocks noise from outside and the high-efficiency Inverter system ensures ultra-low noise and vibration.

midea quiet window ac

With over 35% energy savings and ENERGY STAR Most Efficient 2022 Certification, it helps save on energy costs. The flexible window opening allows fresh air and maintains your view, while smart control through Wi-Fi enables convenient operation from anywhere. The quick-snap bracket ensures easy installation for various window sizes.


  • Ultra-quiet operation, 9 times quieter than traditional units.
  • Energy-efficient with over 35% energy savings and ENERGY STAR certification.
  • Flexible window opening for fresh air and maintained view.


  • Limited color option available, only in white.
  • Requires a Wi-Fi connection for smart control features.
  • May require assistance for installation due to the unit’s weight and size.

7. Frigidaire Gallery GHWQ083WC1

an energy-efficient and Wi-Fi connected air conditioner designed to provide quiet and consistent cooling performance. With 8000 BTUs of cooling power, it efficiently cools rooms up to 350 square feet. Enjoy extra quiet operation at only 41dB, ensuring a peaceful environment.

frigidaire quiet window ac

The inverter technology offers optimized airflow for more consistent and energy-efficient cooling. It has been awarded the ENERGY STAR Most Efficient designation, providing up to 46% annual energy savings. Control and monitor your air conditioner from anywhere using the Frigidaire app. The auto swing louvers ensure optimum air circulation for enhanced cooling.


  • Extra quiet operation, performing 2% quieter than standard air conditioners.
  • Energy-efficient with up to 46% annual energy savings.
  • Wi-Fi connected for convenient control and monitoring through the Frigidaire app.


  • Limited color option available, only in white.
  • Requires a Wi-Fi connection for remote control features.
  • No specific mention of special features like dehumidifiers or air purifiers.

8. GE Profile ClearView PHNT10CC

 offering powerful cooling performance with 10300 BTUs and a quiet operation. This Energy Star-certified unit features inverter technology, reducing noise and maximizing energy efficiency. With a noise level as low as 40 dB, it is known as the Quietest Window AC Brand in the US. The unique flex-depth design accommodates walls of varying thicknesses.

ge quiet ac

Enjoy the convenience of built-in Wi-Fi, allowing you to control and monitor the air conditioner from anywhere using the SmartHQ app or the included remote control.


  • noise level as low as 40 dB 
  • Full window view for unobstructed light and easy window operation.
  • Inverter technology for energy efficiency and reduced noise.
  • Built-in Wi-Fi enables remote control and monitoring via the SmartHQ app.


  • Limited color option available, only in white.
  • Requires a Wi-Fi connection for remote control features.
  • No specific mention of additional features like a dehumidifier or air purifier.

9. Frigidaire FHWW083WBE

 delivering efficient cooling with 8000 BTUs to cool areas up to 350 sq. ft. This ENERGY STAR-certified unit features an energy saver mode and works with Amazon Alexa and Google Assistant for convenient voice control. With three fan speeds and an electronic control panel, you can easily adjust the temperature and cooling settings.

fridgicare quiet ac

The included remote control allows for precise control from across the room, and the washable filter ensures easy maintenance. Connect to the Frigidaire app via Wi-Fi for remote control from your smart device.


  • Works with Amazon Alexa and Google Assistant for voice control.
  • Remote control and Frigidaire app offer convenient temperature adjustments.
  • Energy-saving features and ENERGY STAR certification for efficiency.


  • Noise level of 50 dB may be noticeable in quiet environments.
  • Limited color option available, only in white.
  • Warranty type is limited, specific terms may vary.

10. Windmill AC with WhisperTech

an Energy Star-certified window air conditioner that combines efficient cooling with quiet operation. With its easy installation kit, curved edges, and auto-dimming LED display, this AC blends seamlessly into any modern home. It offers more efficient cooling with top vents that direct airflow away from your face.

windmill quiet window ac

The use of refrigerant R32 reduces its environmental impact. Control the AC remotely using the WiFi and app connectivity, or through voice commands with Google Assistant or Amazon Alexa. Windmill brings 60 years of AC expertise and a commitment to quality and customer support.


  • Easy installation kit and pre-assembled components.
  • WhisperTech technology ensures quiet and peaceful operation.
  • Energy Star certified with efficient cooling and reduced environmental impact.


  • Limited capacity of 19.4 liters.
  • SEER rating of 6.2 may be lower compared to other models.
  • Limited color option available, only in white.

How do you soundproof a window air conditioner?

To soundproof a window air conditioner and reduce the noise it produces, you can try the following methods:

  1. Weatherstripping: Apply weatherstripping material around the edges of the air conditioner to create a tight seal between the unit and the window frame. This helps to block outside noise from entering your space.
  2. Acoustic Foam Panels: Attach acoustic foam panels to the wall or window area surrounding the air conditioner. These panels absorb sound waves and can help reduce noise transmission.
  3. Window Insulation Film: Apply window insulation film to the windowpane to create an additional barrier against noise. This thin film helps to block sound waves and reduce noise infiltration.
  4. Soundproof Curtains or Blinds: Hang heavy, thick curtains or install soundproof blinds over the window area to absorb and block sound. These materials can help reduce noise coming from both inside and outside the room.
  5. Soundproofing Window Inserts: Consider using soundproofing window inserts that fit into the window frame. These inserts are designed to reduce noise transmission and provide additional insulation.
  6. Vibration Isolation Pads: Place vibration isolation pads or rubber mats under the air conditioner unit. These pads absorb vibrations and prevent them from transferring to the window and surrounding areas, reducing noise.
  7. Build a Soundproof Enclosure: Construct a soundproof enclosure or box around the air conditioner, using materials like mass-loaded vinyl or soundproof drywall. This helps contain and reduce the noise generated by the unit.


  1. Are all window air conditioners noisy?

No, not all window air conditioners are noisy. While it is true that some window air conditioners can produce noticeable noise during operation, many manufacturers have made efforts to develop quieter models.

2. Which air conditioner is the quietest?

TOSOT Tranquility stands out as one of the quietest options. It operates at a maximum noise output of only 42 dB, which is equivalent to the noise level of a library. The TOSOT Tranquility is specifically designed to provide a silent-friendly cooling experience, making it an excellent choice for those seeking a quiet air conditioner.