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Top 5 Best Quietest Window Air Conditioners For Your Home

Air conditioners offer the best way to beat hot weather, in the comfort of your favorite place. Different types of air conditioners are suitable for certain applications. Window air conditioners are one such popular type of air conditioner directly installed over the window. These air conditioners are compact units compared to split ACs and other types.

The Window ACs are known to be noisy due to the close placement of the compressor, blower, condenser, and evaporator. To tackle this “noisy” tagline, quieter versions of window ACs were introduced. Before learning in detail about these cooling units, we must go through a few governing parameters.

  • Noise level: As discussed, the window air conditioners produce noise that is audible from the air vent. The noise level is thereby given importance when buying window ACs. Most of the window air conditioners produce noise levels below the 60 dB limit to keep the surroundings quiet and silent. At 60 dB, the noise is equivalent to normal talking or moderate rainfall.
  • BTU: Being an air conditioner, the cooling power of the window AC is given equal importance. The British Thermal Unit (BTU) refers to the cooling power the window air conditioner produces. These units are tuned for good cooling performance, offering a BTU rating of 5,000 to 8,000. Various factors like room size affect the BTU rating.
  • Room Size: When selecting a window AC, room size is important to ensure better cooling. The air conditioning unit must be able to cover every corner of a room. The room size is correlated to the BTU rating. Hence, for a certain BTU rating, the unit will be suitable for a designated room size. The window air conditioners are designed for rooms sized between 150 to 350 sq. ft.

These factors affect the overall selection process for the best window air conditioner. To ensure that the user gets to experience better cooling, this article includes a list of the best quietest window air conditioners. A “Buying Guide” is also made available to help the user understand a few important parameters related to these air conditioners.

Best Quietest Window Air Conditioner Chart

Best Quietest Window Air ConditionerNoise level (dB)BTURoom sizeBuy Now
Keystone Quietest Window AC495000150 sq. ftCheck On Amazon
Haier Quietest Window AC506000250 sq. ftCheck On Amazon
TCL Quietest Window AC506000250 sq. ftCheck On Amazon
Windmill Quietest Window AC508000350 sq. ftCheck On Amazon
LG Quietest Window AC526000250 sq. ftCheck On Amazon
Frigidaire Quietest Window AC525000150 sq. ftCheck On Amazon

Best Quietest Window Air Conditioner Reviews

1. Keystone Quietest Window AC

Keystone Quietest Window ACOur first product comes from the wide range of reliable products from Keystone. These products are developed to deliver high-quality and user-friendly solutions for modern homes.

The Keystone KSTAW05BE Window-Mounted Air Conditioner is the quietest unit on the list. It has a cooling power of 5,000 BTU. It can thereby cool a room of 150 sq. ft in hot weather. The three cooling fans operate at a noise level of 49 dB (lower settings), without disturbing the surrounding. Along with cooling, it also offers dehumidification of the room at 1.3 pints per hour. It runs on a 115V power supply via a NEMA 5-15P plug.

To keep the energy bills low, this unit has been certified with a SEER value of 11.2. A smart remote control is also provided, which has a built-in thermostat. It automatically detects the temperature change and adjusts the cooling. A reusable mesh filter is fitted, which purifies the surrounding air. Functions like a 24-hr timer and sleep mode are also provided.

 Best Features:

  • Operational noise output between 49 to 55 dB
  • Rated for 5,000 BTU
  • Suitable for 150 sq. ft room
  • SEER value of 11.2
  • Dedicated remote controller with built-in thermostat
  • Compatible with 115V power supply and NEMA 5-15P plug
  • Additional features include 24 hours timer and sleep mode

Pros:

  • It is the quietest AC on the unit
  • It offers a 1-year warranty on parts and labor with a 4-year extension
  • It automatically senses the change in temperature and adjusts the output to reduce the waste of energy
  • Apart from cooling, it also dehumidifies air at the rate of 1.3 pints per hour

Cons:

  • The outer body design feels dated

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2. Haier Quietest Window AC

Haier Quietest Window ACHaier is one of the leading manufacturers of cooling solutions for domestic use. With enough experience, the products are designed for durability and practicality.

The Haier ESAQ406T Serenity Series 6 Window Air Conditioner offers cooling for larger rooms. It has a BTU rating of 6,000, which allows a better cooling performance. A room of 250 sq. ft size gets easily covered by this window air conditioner. The users won’t have much trouble when the AC is operating since it only generates 50 dB of noise output.

With a SEER value of 12.2, the window air conditioner efficiently uses the 115V power supply. Apart from cooling, it also offers functions like dehumidification of the room. A remote controller with an LED display is also offered to control various AC functions. The 24-hour timer allows the user to set the AC for automatic ON/OFF.

 Best Features:

  • The noise output of 50 dB
  • Rated with 6,000 BTU
  • Suitable for rooms sized up to 250 sq. ft
  • SEER value of 12.2
  • Remote controller with built-in LED display
  • Compatible with 115V power supply

Pros:

  • It offers a 1-year warranty on parts and labor with 5 years extension
  • The automatic ON/OFF with a 24-hour timer helps save energy
  • It also offers dehumidification of the air

Cons:

  • It does not come with a pre-assembled installation kit

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3. TCL Quietest Window AC

TCL Quietest Window ACTCL is well known for manufacturing a wide range of home appliances. With innovation, its product range is equipped with the latest technologies.

The TCL 6W3ER1-A Home Series Window Air Conditioner is a good alternative for mid-sized rooms of 250 sq. ft size. With a BTU rating of 6,000, the air conditioner creates comfortable cooling for the user. It features multiple fan speed options to control the flow of cool air. When under cooling operation, this unit only produces a noise output of 50 dB. It also features a reusable and washable filter which cleans the air from impurities.

Being certified with an energy star, this air conditioner ensures efficient power consumption. To further help reduce energy waste, it also features sleep mode and eco mode. The user can adjust the pair of 4-way directional vents to adjust the flow in 8 ways. Using the R-410A refrigerant, the unit easily cools down the environment.

 Best Features:

  • The overall noise output of 50 dB
  • Rated for 6,000 BTU
  • Suitable for rooms seized up to 250 sq. ft
  • Multiple fan speed, sleep, and eco modes
  • A preloaded R-410A refrigerant
  • Features a pair of 4-way adjustable vents

Pros:

  • It offers a 1-year warranty on parts and labor
  • It is certified with energy star for efficacy and power saving
  • The reusable air filter eliminates the need to buy new air filters

Cons:

  • It does not come with WiFi and app connectivity

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4. Windmill Quietest Window AC

Windmill Quietest Window Air ConditonerWindmill develops and manufactures a wide range of premium products for cooling solutions. It focuses on keeping its product user-friendly with certain quality assurance.

The Windmill Window Air Conditioner is the most powerful unit on the list. This unit is suitable for cooling down larger rooms within minutes. With a BTU rating of 8,000, it easily covers a 350 sq. ft size room. Even after being a powerful unit, it assures excellent power saving thanks to a SEER rating of 6.2 with 5 energy stars. Running at higher loads, it will remain silent with just 50 dB of noise output.

Users won’t have to worry about installing the unit as it comes with a pre-assembled installation kit. It features an auto-dimming LED display along with 3 adjustable fan speeds. Enabled with WiFi and app support, the user can easily control the air conditioner at the comfort of their fingertips. It also supports voice control, making it easier to control the cooling.

Best Features:

  • The noise output of 50 dB
  • Rated for 8,000 BTU
  • Coverage area up to 350 sq. ft
  • Certified with SEER 6.2 and 5 energy stars
  • Auto-dimming LED display
  • 3-way adjustable fan speed
  • Enabled with WiFi, app, and voice control

Pros:

  • The top air vent design helps cover cooling in all directions
  • It is easy to install and does not need professional skills thanks to the pre-assembled kit
  • The body design looks modern with curved edges and clean lines

Cons:

  • This unit has a premium price tag, compared to the other window ACs on the list

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5. LG Quietest Window AC

LG Quietest Window ACThanks to its unmatched quality assurance, LG is a synonymous name for domestic appliances. The products are designed for every type of segment without compromising on quality.

The LG Window Air Conditioner has a simple and user-friendly design. It ensures the best cooling performance thanks to a cooling power of 6,000 BTU and a cooling capacity of 1.8 pints. This cooling performance easily cools down a room of 250 sq. ft size. The user won’t have to worry about energy consumption due to a SEER value of 11.5.

With a minimal noise output of 52 dB, the room won’t be filled with unnecessary sound. It features 3 cooling and fan speed to adjust the temperature as per the user’s comfort. The unit can be controlled via electronic controls or a dedicated remote controller. It also has a 24-hour time, energy saver mode, and automatic restart feature.

Best Features:

  • The noise output of 52 dB
  • Rated with 6,000 BTU
  • The cooling capacity of 1.8 pints
  • Offers coverage of 250 sq. ft
  • Certified with SEER 11.5
  • 3-way adjustable cooling and fan speeds
  • Electronic control buttons and remote controller

Pros:

  • It offers a 1-year warranty on parts and labor
  • The automatic restart function saves the previous settings, thereby eliminating the need for readjusting the settings in case of power failure
  • It is an ideal option for cooling medium-sized rooms

Cons:

  • It is not certified with Energy stars

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6. Frigidaire Quietest Window AC

Frigidaire Quietest Window ACFrigidaire believes in offering affordable solutions to the consumer. The products are designed to ease consumers’ lives with innovation and reliability.

The Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner is the most affordable unit. This AC has a BTU rating of 5,000 which helps cool down a room of 150 sq. ft size. Due to a SEER value of 11, this unit offers efficient power supply use. The user can adjust the cooling air flow up to 136 CFM with the help of control buttons. It operates at 52 dB noise output, quite enough to enjoy the comfort of cool air.

It also has a washable filter installed to ensure the circulated air is free of dirt and impurities. Mounting the unit won’t be a hectic job, thanks to the adjustable side panels. A longer three-prong power cord easily connects the unit with a 115V power supply. It will automatically restart to the previously set settings whenever power failure occurs.

Best Features:

  • The noise output of 52 dB
  • Rated with 5,000 BTU
  • Certified with SEER 11
  • Offers converge for a room of 150 sq. ft in size
  • Buttons to control airflow up to 136 CFM
  • Features washable filter
  • Adjustable side panels

Pros:

  • It is the most affordable option on the list
  • The automatic restart function helps retain the original setting when a power failure occurs
  • A longer power cord helps in installing the unit away from the power source

Cons:

  • It lacks WiFi and app connectivity

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Buying Guide For The Best Quietest Window Air Conditioner

Air conditioners are the best appliance in the battle against summer heat. For small size rooms, the window air conditioners offer better cooling, and that too at an aggressive price range. We have already reviewed a detailed list of such quiet window air conditioners. To further understand some technical parameters, this buying guide will walk you through each of them.

1. Noise Level

Since we are talking about the quietest window air conditioners, the noise level has to be on the topmost property. The compressor is the loudest component of an air conditioner. In window air conditioners, the compressor lies near the cool air vent making it audible. The modern window air conditioning units are designed in a way to keep overall indoor noise low. Some units use insulation, sound blanket, or other solutions. The noise output of window AC is thereby kept between 40 to 60 dB limit.

2. BTU

A window air conditioner has to offer a better cooling performance. These units are rated with British Thermal Unit (BTU) to easily understand the cooling power. The BTU rating of a window air conditioner also affects the overall coverage area. If the rating is low, it will take more time to cool down a specified area. Hence, most window air conditioners have a BTU rating of 5000 to 8000. Few brands offer window ACs with BTU ratings of more than 10,000 making them suitable for large rooms.

3. Room Size

The size of the room where the window air conditioner is installed might vary. As explained earlier, the room size and BTU rating are interdependent. A lower BTU rating and a larger room will make no sense as the air conditioner will have to work more to cool down the surroundings. Therefore, it is advised to buy a window air conditioner that offers more coverage area than the room’s actual size. These window ACs are designed for rooms sized between 150 to 350 sq. ft. units with higher BTU ratings can be used for larger rooms.

4. SEER

Energy efficiency is a critical factor for air conditioners. A unit with lower energy efficiency will consume more power, leading to a huge pile-up of bills. The air conditioners are tested and certified with various ratings to ensure less or more efficient power consumption. Seasonal Energy Efficiency Ratio (SEER) helps us understand how much energy an AC unit will consume to deliver a certain amount of cooling output. The higher SEER rating means the unit will consume less energy. The window air conditioners are usually certified with a 6 to 15 SEER value.

5. Type Of Control

Several types of control are offered for a window AC, to access its functions. One of the most common types of control is manual knobs or buttons. These buttons or knobs are fitted on the AC’s body as these units are installed where users can easily reach them. A few units also feature touch screens in place of manual buttons. Remote controllers are also provided to control the temperature at the comfort of the user’s fingertips. If enabled with WiFi technology, app connectivity, or voice control, the unit can be controlled wirelessly

6. Warranty

It is expected from a window air conditioner to function for longer periods. In case of unpredictable failure of the unit, certain repairs and damages are covered by warranty. The warranty offers a safety cover to the window air conditioner against replacement and repairs. The warranty period also gives the user a certain quality assurance from the brand. Usually, a 1-year warranty is offered for the window air conditioners. The users can also avail of extended warranty programs to further enjoy the perks of the warranty period.

Best Quietest Window Air Conditioner – FAQs

1. How many decibels of sound output are created by window air conditioners?

Ans: The overall noise output of a window air conditioner varies from model to model. Generally, these air conditioning units produce noise output between the 40 to 60 dB range. Some models are designed to deliver noise output below the 40 dB limit. By using additional soundproofing, the noise can be further lowered.

2. Is it possible for a larger window AC to be quieter than a smaller window AC?

Ans: If the size is considered, it is natural for a smaller unit to be quieter than a larger one. The overall noise output of a window air conditioner depends on various factors like design, compressor, speed of the fan, etc. The compressor will also be large enough for larger units to suit the cooling capacity. But with proper insulation and sound dampening, it can be quieter than a smaller window AC.

3. Does window AC come with any noise-cancelation or soundproofing options?

Ans: Due to the placement of the compressor and fan, it is natural for a window AC to create noise. Most of these units thereby come with various soundproofing and noise cancellation features. A thick layer of soundproof foam is applied at the AC joints. The compressor section is also surrounded by soundproof material. Users can also use noise-cancellation devices which cancel out the unwanted noise with sound waves.

4. Which type of ACs is the quietest?

Ans: Due to the placement of the compressor and fan, it is natural for a window AC to create noise. Most of these units thereby come with various soundproofing and noise cancellation features. A thick layer of soundproof foam is applied at the AC joints. The compressor section is also surrounded by soundproof material. Users can also use noise-cancellation devices which cancel out the unwanted noise with sound waves.

Conclusion

Window air conditioners are ideal options for cooling your homes with a limited budget. These compact units are easy to install and can be mounted anywhere. With the quieter versions of these air conditioners, users won’t experience noise interruption. A list of the quietest window air conditioners is discussed in the article. The buying guide and FAQ section further help understand these units’ important parameters. By observing the discussion, we have chosen our favorite options from the list.

  • Since we are talking about the quietest window air conditioners, the Keystone Quietest Window AC is a clear winner. With a cooling capacity of 5,000 BTU, it easily cools a 150 sq. ft. room during hot weather. The three cooling fans work at a noise level of 49 dB to ensure a silent environment. Additionally, it also dehumidifies at a rate of 1.3 pints per hour. The unit has been certified to ensure energy efficiency with a SEER value of 11.2. It also has automatic temperature adjustment, a 24-hour timer, and sleep mode.
  • If cooling performance is your top priority, the Windmill Quietest Window AC is ideal. Its impressive BTU rating of 8,000 easily covers rooms of up to 350 sq. ft size. Despite its powerful performance, it offers excellent energy efficiency with a SEER rating of 6.2 and a 5-star energy rating. Even when operating at higher loads, the noise output remains low, at just 50 dB. It also features an auto-dimming LED display and three adjustable fan speeds. The air conditioner is enabled with WiFi, app, and voice control feature.
  • The Frigidaire Quietest Window AC is the perfect option for a limited budget. With a BTU rating of 5,000 and airflow of 136 CFM, it efficiently cools rooms of 150 sq. ft size. Its SEER value of 11 ensures efficient use of the power supply. With a noise output of 52 dB, the unit operates quietly. Mounting the unit is easy, thanks to the adjustable side panels. The unit is powered by a longer three-prong power cord, easily connecting to a 115V power supply. All these virtues are available at an aggressive price tag.

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