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Best Buy customers often prefer the following products when searching for sizing window air conditioners.

Air conditioners are one of the most important home appliances you can buy. They keep your house cool and comfortable during the hot summer months, when it's too hot to be inside. Browse the top-ranked list of window air conditioners below along with associated reviews and opinions.

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  1. Emerson Quiet Kool - 250 Sq. Ft. 6000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "Nice Little Air Conditioner, does a great job. Great price for this product, very happy with purchase....air conditioner"

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    Product Description

    Keep your room at the optimal temperature with this 6000 BTU Emerson air conditioner. Its filter is washable and reusable to reduce maintenance costs, and it has eight-way airflow louvers to ensure air is blowing your way. Maximize your comfort at night with the sleep mode on this Emerson air conditioner, which adjusts temperature overnight.
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    Top comment

    "Nice Little Air Conditioner, does a great job. Great price for this product, very happy with purchase....air conditioner"

    See all customer reviews

    Product Description

    Keep your room at the optimal temperature with this 6000 BTU Emerson air conditioner. Its filter is washable and reusable to reduce maintenance costs, and it has eight-way airflow louvers to ensure air is blowing your way. Maximize your comfort at night with the sleep mode on this Emerson air conditioner, which adjusts temperature overnight.
    See all Window Air Conditioners
    See all Window Air Conditioners
  2. Emerson Quiet Kool - 550 Sq. Ft. 12000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "This air conditioner fits perfectly in the window. It cools the area we wanted....Great Air Conditioner!...I researched many window units and decided on this air conditioner. "

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    Product Description

    Enjoy a cool environment with this 12000 BTU Emerson Quiet Kool window air conditioner. Its high mode operates at only 60dBA for interruption-free comfort, and it’s suitable for medium to large rooms measuring 450-550 sq. ft. Use the ECO function of this Emerson Quiet Kool window air conditioner for energy-saving operation.
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    Top comment

    "This air conditioner fits perfectly in the window. It cools the area we wanted....Great Air Conditioner!...I researched many window units and decided on this air conditioner. "

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    Product Description

    Enjoy a cool environment with this 12000 BTU Emerson Quiet Kool window air conditioner. Its high mode operates at only 60dBA for interruption-free comfort, and it’s suitable for medium to large rooms measuring 450-550 sq. ft. Use the ECO function of this Emerson Quiet Kool window air conditioner for energy-saving operation.
    See all Window Air Conditioners
    See all Window Air Conditioners
  3. LG - 550 Sq. Ft. 12,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "I would definitely recommend this air conditioner....Great Air Conditioner...Just moved into a new home and had no air conditioner purchased this window unit which worked out well. "

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    Product Description

    The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.
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    Top comment

    "I would definitely recommend this air conditioner....Great Air Conditioner...Just moved into a new home and had no air conditioner purchased this window unit which worked out well. "

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    Product Description

    The LG Dual Inverter air conditioners are the best in cooling innovation. This ultra quiet unit operates at 44 dB in sleep mode, almost as quiet as a library. In addition, the DUAL Inverter technology allows the unit to operate efficiently saving you as much as 15% on energy costs. Cool your home from anywhere using LG ThinQ technology to control your air conditioner with your phone or use with Amazon Alexa and Hey Google to have control with the sound of your voice. 4 cooling and fan speeds and a 24 hour timer allow you to create a cooling schedule to suit your needs. 4-way air deflection lets the flow of air be directed where it's needed most whether cooling, dehumidifying or just circulating air. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include an LCD remote control, easy window installation kit, removable (washable) filter and a check filter alert.
    See all Air Conditioners
    See all Air Conditioners
  4. LG - 8,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "LG - Window Air Conditioner - Is quite...LG - 8,000 BTU Smart Window Air Conditioner - White. Is working well and cooling the room exceptionally well. ...LG window air conditioner...[This review was collected as part of a promotion.] Best window air conditioner ever own very efficient very happy thank you LG"

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    Product Description

    Enjoy cool, crisp air in your home with this LG window air conditioner. Its 8,000 BTUs of power effectively cool a medium-size room, while its four-way air deflection lets you distribute air in any direction. Adjust the temperature in your home with your smart device by using the Wi-Fi connectivity feature on this LG window air conditioner.
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    Top comment

    "LG - Window Air Conditioner - Is quite...LG - 8,000 BTU Smart Window Air Conditioner - White. Is working well and cooling the room exceptionally well. ...LG window air conditioner...[This review was collected as part of a promotion.] Best window air conditioner ever own very efficient very happy thank you LG"

    See all customer reviews

    Product Description

    Enjoy cool, crisp air in your home with this LG window air conditioner. Its 8,000 BTUs of power effectively cool a medium-size room, while its four-way air deflection lets you distribute air in any direction. Adjust the temperature in your home with your smart device by using the Wi-Fi connectivity feature on this LG window air conditioner.
    See all Window Air Conditioners
    See all Window Air Conditioners
  5. LG - 10,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "Highly recommend this window air conditioner....It’s a 160 yr old farmhouse with only one window shaped to use a window air conditioner. Central are not an option. "

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    Product Description

    Stay cool on the hottest days with this 10,000 BTU LG window air conditioner. Its four-way air deflection ensures uniform distribution of air, while its energy-saver function intermittently shuts the fan off when the desired temperature is reached. The remote control on this LG window air conditioner lets you adjust the temperature from anywhere in the room.
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    Top comment

    "Highly recommend this window air conditioner....It’s a 160 yr old farmhouse with only one window shaped to use a window air conditioner. Central are not an option. "

    See all customer reviews

    Product Description

    Stay cool on the hottest days with this 10,000 BTU LG window air conditioner. Its four-way air deflection ensures uniform distribution of air, while its energy-saver function intermittently shuts the fan off when the desired temperature is reached. The remote control on this LG window air conditioner lets you adjust the temperature from anywhere in the room.
    See all Window Air Conditioners
    See all Window Air Conditioners
  6. LG - 330 Sq. Ft. 8000 BTU Through-the-Wall Air Conditioner - White - Front_Zoom
    Top comment

    "Air Conditioner number 1...The new air conditioner Lg Is so good, the refrigeration is great...Great air conditioner for the size of my room its cool it off pretty quick"

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    Product Description

    Our Energy Star certified 8,000 BTU Through-the-Wall Air Conditioner is ideal for cooling small to medium size rooms up to 340 sq. ft. It has 3 cooling and fan speeds to customize your comfort. The 4-way air deflection allows you to direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. Use the convenient 24 hour on/off timer and energy saver option to help save on energy costs. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, trim kit, removable/washable filter and a check filter alert. (Wall sleeve sold separately)
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    Top comment

    "Air Conditioner number 1...The new air conditioner Lg Is so good, the refrigeration is great...Great air conditioner for the size of my room its cool it off pretty quick"

    See all customer reviews

    Product Description

    Our Energy Star certified 8,000 BTU Through-the-Wall Air Conditioner is ideal for cooling small to medium size rooms up to 340 sq. ft. It has 3 cooling and fan speeds to customize your comfort. The 4-way air deflection allows you to direct the flow of air where it's needed most whether cooling, dehumidifying or just circulating air. Use the convenient 24 hour on/off timer and energy saver option to help save on energy costs. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, trim kit, removable/washable filter and a check filter alert. (Wall sleeve sold separately)
    See all In-Wall Air Conditioners
    See all In-Wall Air Conditioners
  7. Frigidaire - Energy Star 450 sq ft Window-Mounted Compact Air Conditioner - White - Angle_Zoom
    Top comment

    "Excellent air conditioner!...Over the years, I’ve had many window air conditioners, and none of them outperformed my Frigidaire ACs....Our 2nd Frigidaire Window Air Conditioner...I bought a 5,000-watt Frigidaire Window Air Conditioner a year ago. Knowing this was going to be a brutally HOT summer in Virginia, I purchased a 10,000-watt Frigidaire unit to complement our first one and a very old central air conditioner. "

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    Product Description

    On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    Top comment

    "Excellent air conditioner!...Over the years, I’ve had many window air conditioners, and none of them outperformed my Frigidaire ACs....Our 2nd Frigidaire Window Air Conditioner...I bought a 5,000-watt Frigidaire Window Air Conditioner a year ago. Knowing this was going to be a brutally HOT summer in Virginia, I purchased a 10,000-watt Frigidaire unit to complement our first one and a very old central air conditioner. "

    See all customer reviews

    Product Description

    On hot, humid days, Frigidaire's Energy Star 10,000 BTU window-mounted air conditioner quickly cools a room up to 450 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    See all Window Air Conditioners
  8. Frigidaire - Energy Star 350 sq ft Window-Mounted Mini-Compact Air Conditioner - White - Front_Zoom
    Top comment

    "Fantastic Air conditioner...This is one of four Frigidaire window air conditioners that I own and am using now. ...Really great air conditioner...I purchased this window air conditioner via payroll deduction from my union-affiliated retailer. "

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    Product Description

    On hot, humid days, Frigidaire's Energy Star 8,000 BTU window-mounted air conditioner quickly cools a room up to 350 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    Top comment

    "Fantastic Air conditioner...This is one of four Frigidaire window air conditioners that I own and am using now. ...Really great air conditioner...I purchased this window air conditioner via payroll deduction from my union-affiliated retailer. "

    See all customer reviews

    Product Description

    On hot, humid days, Frigidaire's Energy Star 8,000 BTU window-mounted air conditioner quickly cools a room up to 350 square feet. Ready-Select electronic controls allow you to set the comfort level to your preference, while a convenient temperature-readout displays the set temperature. Effortless temperature sensing remote control allows you to see, set and maintain room temperature from across the room. The multi-speed fan features three different speeds for cooling flexibility and the 6-way comfort control design allows you to easily direct the air where you want it. The washable filter with front, tilt-out access captures dust from the air to keep your air conditioner working efficiently. Plus, low power start-up conserves energy and saves you money. Year after year, Frigidaire is the brand you can trust to keep you cool and comfortable.
    See all Window Air Conditioners
    See all Window Air Conditioners
  9. Whirlpool - 150 Sq.Ft. 5,000 BTU 115V Window-Mounted Air Conditioner with Dehumidifer - White - Front_Zoom

    Product Description

    Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 5,000 BTU window-mounted air conditioner quickly cools a room up to 150 square feet. Features include mechanical rotary controls with 2 speeds, 8-way air directional air flow and auto restart after a power outage. Maintenance is made easy with the removable and washable air filter. Simply rinse every few weeks to keep your air conditioner at peak performance. At Whirlpool, we take comfort and caring to the next level.
    See all Window Air Conditioners

    Product Description

    Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 5,000 BTU window-mounted air conditioner quickly cools a room up to 150 square feet. Features include mechanical rotary controls with 2 speeds, 8-way air directional air flow and auto restart after a power outage. Maintenance is made easy with the removable and washable air filter. Simply rinse every few weeks to keep your air conditioner at peak performance. At Whirlpool, we take comfort and caring to the next level.
    See all Window Air Conditioners
    See all Window Air Conditioners
  10. TORRAS - Coolify 2s – Smart 3-in-1 Neck Air Conditioner, Cooling, Heating, and Fan - Black - Front_Zoom
    Top comment

    "This neck air conditioner is well worth the money, it is 20x better than the your average neck fan. ...I'd seen other wear similar products and tested a cheap one on Amazon, only to return it after a few uses. The Coolify Neck Air Conditioner delivers instant cooling with minimal noise disruption. "

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    Product Description

    TORRAS COOLIFY 2S is a portable and personal climate device with both air conditioning and heater built in. Featuring a 9-mode personal 3-speed bladeless fan.
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    Top comment

    "This neck air conditioner is well worth the money, it is 20x better than the your average neck fan. ...I'd seen other wear similar products and tested a cheap one on Amazon, only to return it after a few uses. The Coolify Neck Air Conditioner delivers instant cooling with minimal noise disruption. "

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    Product Description

    TORRAS COOLIFY 2S is a portable and personal climate device with both air conditioning and heater built in. Featuring a 9-mode personal 3-speed bladeless fan.
    See all Table & Portable Fans
    See all Table & Portable Fans
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