Best Quietest Window Air Conditioners in 2025
Updated on July 2025
#1
Recommended
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- Operates at a low noise level of 40 dB, making it one of the quietest window AC units available.
- Controls can be managed remotely via the SmartHQ app, and is compatible with voice assistants like Amazon Alexa and Google Assistant.
- Offers three fan speeds and four cooling modes, including an Eco Mode for energy efficiency.
- Features a dehumidify mode to help maintain comfortable humidity levels in the room.
- Suitable for rooms up to 250 sq ft; includes an installation kit and remote for easy setup.
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- Operates at a low noise level of 40 dB, making it one of the quietest window AC units available.
- Controls can be managed remotely via the SmartHQ app, and is compatible with voice assistants like Amazon Alexa and Google Assistant.
- Offers three fan speeds and four cooling modes, including an Eco Mode for energy efficiency.
- Features a dehumidify mode to help maintain comfortable humidity levels in the room.
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#2
Value for Money
11% Off
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- Operates quietly at sound levels as low as 52dB, ensuring minimal disruption during use.
- Offers 3 adjustable cooling and fan speeds for personalized comfort.
- Features a user-friendly digital control panel, remote control, and a slide-out washable filter for easy maintenance.
- Automatically restarts after power outages, providing convenience without manual intervention.
- Designed to efficiently cool spaces up to 250 square feet, suitable for medium-sized rooms.
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- Operates quietly at sound levels as low as 52dB, ensuring minimal disruption during use.
- Offers 3 adjustable cooling and fan speeds for personalized comfort.
- Features a user-friendly digital control panel, remote control, and a slide-out washable filter for easy maintenance.
- Automatically restarts after power outages, providing convenience without manual intervention.
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#3
15% Off
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- 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioner provides cooling coverage up to 14 ft., with temperature settings ranging from 61°F to 86°F for personalized comfort.
- Noise level reduced to 45dB through DREO's patented isolation system, making it suitable for quiet environments during sleep or work.
- Automatic evaporation of excess water in high humidity (up to 90%) eliminates the need for manual drainage.
- Voice control compatibility with Siri, Amazon Alexa, and Google Home, plus customizable settings via the DREO app for temperature and humidity.
- Portable design with smooth caster wheels and easy installation for a range of window sizes.
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- 8000 BTU ASHRAE (5000 BTU SACC) portable air conditioner provides cooling coverage up to 14 ft., with temperature settings ranging from 61°F to 86°F for personalized comfort.
- Noise level reduced to 45dB through DREO's patented isolation system, making it suitable for quiet environments during sleep or work.
- Automatic evaporation of excess water in high humidity (up to 90%) eliminates the need for manual drainage.
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#4
6% Off
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- Maintains preset room temperatures for all-day comfort
- Features a washable filter that effectively captures dust, enhancing efficiency
- Includes a long power cord, eliminating the need for extension cords
- Automatically resumes previous settings after a power outage
- Suitable for installation in standard double-hung windows with widths ranging from 24 to 36 inches
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- Maintains preset room temperatures for all-day comfort
- Features a washable filter that effectively captures dust, enhancing efficiency
- Includes a long power cord, eliminating the need for extension cords
- Automatically resumes previous settings after a power outage
- Suitable for installation in standard double-hung windows with widths ranging from 24 to 36 inches
#5
9% Off
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- Dual Inverter technology enables quiet operation at sound levels as low as 44dB in sleep mode.
- Up to 25% more energy efficient than Energy Star certification, contributing to lower energy costs.
- LG ThinQ Technology allows remote control of the air conditioner via mobile app or voice commands through Amazon Alexa and Google Assistant.
- Features 4 cooling and fan speeds with an Auto Cool option, customizable through a digital control panel, remote, or voice activation.
- Suitable for cooling medium-sized rooms up to 400 square feet, making it ideal for 15' x 30' spaces.
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- Dual Inverter technology enables quiet operation at sound levels as low as 44dB in sleep mode.
- Up to 25% more energy efficient than Energy Star certification, contributing to lower energy costs.
- LG ThinQ Technology allows remote control of the air conditioner via mobile app or voice commands through Amazon Alexa and Google Assistant.
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#6
7% Off
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- Three fan speeds and four cooling modes offer customizable comfort, with an Eco Mode for energy savings by automatically turning off the fan and compressor.
- Operates quietly at sound levels as low as 42 dB, ensuring minimal disruption while maintaining airflow.
- Designed for spaces up to 250 sq ft, delivering efficient cooling with a 6200 BTU capacity, ideal for small rooms like bedrooms and home offices.
- Simple electronic controls allow easy programming, and a remote control provides convenience for adjustments from anywhere in the room.
- Includes a dry mode to manage humidity levels, improving comfort and air quality.
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- Three fan speeds and four cooling modes offer customizable comfort, with an Eco Mode for energy savings by automatically turning off the fan and compressor.
- Operates quietly at sound levels as low as 42 dB, ensuring minimal disruption while maintaining airflow.
- Designed for spaces up to 250 sq ft, delivering efficient cooling with a 6200 BTU capacity, ideal for small rooms like bedrooms and home offices.
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#7
21% Off
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- U-shape design minimizes external noise, operating at low as 32 dBA, significantly quieter than conventional units.
- Advanced DC Inverter technology enables over 35% energy savings and meets ENERGY STAR certification standards.
- Wi-Fi connectivity allows control via SmartHome app and compatibility with Alexa and Google Assistant.
- Unique design permits window opening for fresh air while maintaining view, includes an Anti-Theft Mechanism for safety.
- Easy installation with a quick-snap bracket, suited for 22"-36" wide single or double-hung windows, requires minimal height of 13.75".
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- U-shape design minimizes external noise, operating at low as 32 dBA, significantly quieter than conventional units.
- Advanced DC Inverter technology enables over 35% energy savings and meets ENERGY STAR certification standards.
- Wi-Fi connectivity allows control via SmartHome app and compatibility with Alexa and Google Assistant.
- Unique design permits window opening for fresh air while maintaining view, includes an Anti-Theft Mechanism for safety.
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#8
8% Off
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- 8000 BTU window air conditioner and heat unit designed for large rooms up to 350 square feet, offering both cooling and supplemental heating capabilities.
- User-friendly with LED display, multiple function modes (Heat, Auto, Cool, Dry, Fan), adjustable airflow louvers, and smart home integration via the SmartHome App, Alexa, and Google Assistant.
- Energy Star certified for efficiency, featuring variable-speed inverter technology that reduces electricity usage by up to 35% and includes a washable filter for easy maintenance.
- Operates at a quiet noise level of 45 dBA, suitable for work, relaxation, and sleep, while providing beneficial white noise.
- Fits double hung windows with openings between 24 to 38.5 inches; includes installation kit and measures 19.41"W x 22.17"D x 13.9"H.
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- 8000 BTU window air conditioner and heat unit designed for large rooms up to 350 square feet, offering both cooling and supplemental heating capabilities.
- User-friendly with LED display, multiple function modes (Heat, Auto, Cool, Dry, Fan), adjustable airflow louvers, and smart home integration via the SmartHome App, Alexa, and Google Assistant.
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#9
10% Off
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- Efficiently cools rooms up to 250 sq ft.
- Ideal for small spaces such as bedrooms and home offices.
- Operates quietly, suitable for use during the night.
- Offers 3 cooling modes and 3 fan speeds for customizable comfort.
- Simple installation in double hung windows with included kit; features a cleanable slide-out filter.
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- Efficiently cools rooms up to 250 sq ft.
- Ideal for small spaces such as bedrooms and home offices.
- Operates quietly, suitable for use during the night.
- Offers 3 cooling modes and 3 fan speeds for customizable comfort.
- Simple installation in double hung windows with included kit; features a cleanable slide-out filter.
#10
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/41wTRS1ZCJL._SL320_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/41M6HbNuYXL._SL320_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/51p1t6KzwuL._SL320_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/51mqX0lfwkL._SL320_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/41wTRS1ZCJL._SL100_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/41M6HbNuYXL._SL100_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/51p1t6KzwuL._SL100_.jpg)
![LG 5000 BTU Window Air Conditioners [2023 New] Easy Mechanical Control Ultra-Quiet Compact-size Cools Washable Filter 150 Sq.Ft. for Small Room AC Unit air conditioner Easy Installation White LW5023](https://m.media-amazon.com/images/I/51mqX0lfwkL._SL100_.jpg)
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- Cooling coverage suitable for spaces up to 150 square feet with a 5,000 BTU capacity.
- Operates quietly at sound levels as low as 50dB, featuring user-friendly mechanical controls.
- Easy to install in double hung windows with included installation kit, and the slide-out filter simplifies maintenance.
- Includes a washable filter that captures air particles, enhancing the efficiency of the dehumidifier.
- Offers multiple fan speeds and cooling modes, along with an energy-saving function to reduce electricity costs.
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- Cooling coverage suitable for spaces up to 150 square feet with a 5,000 BTU capacity.
- Operates quietly at sound levels as low as 50dB, featuring user-friendly mechanical controls.
- Easy to install in double hung windows with included installation kit, and the slide-out filter simplifies maintenance.
- Includes a washable filter that captures air particles, enhancing the efficiency of the dehumidifier.
Read More
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