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Best Buy customers often prefer the following products when searching for powerful air conditioner.

Air conditioners cool the air in your home, and they're an essential part of any cooling system. Browse the top-ranked list of powerful air conditioners below along with associated reviews and opinions.

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  1. LG - 1000 Sq. Ft. Window Air Conditioner - White - Front_Zoom
    Top comment

    "Great air conditioner for the price! It is a little large and you might want a couple strong hands to help get it into your window....[This review was collected as part of a promotion.] This is a very powerful air conditioner and I am thoroughly satisfied Now! ...LG window air conditioner"

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    Product Description

    Keep any room in your home cool with this LG window air conditioner. It's powerful enough to cover 1000 sq. ft., and it has three cooling and fan speeds, so you can adjust the airflow. This LG window air conditioner includes a remote to let you change settings from anywhere in the room.
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    Top comment

    "Great air conditioner for the price! It is a little large and you might want a couple strong hands to help get it into your window....[This review was collected as part of a promotion.] This is a very powerful air conditioner and I am thoroughly satisfied Now! ...LG window air conditioner"

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    Product Description

    Keep any room in your home cool with this LG window air conditioner. It's powerful enough to cover 1000 sq. ft., and it has three cooling and fan speeds, so you can adjust the airflow. This LG window air conditioner includes a remote to let you change settings from anywhere in the room.
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    Your price for this item is $572.99
    The previous price was $589.99
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  2. NewAir - 500 Sq. Ft. Portable Air Conditioner, 13,500 BTUs (10,000 BTU, DOE), Easy Setup Window Venting Kit and Remote Control - White - Angle_Zoom
    Top comment

    "Excellent air conditioner. Easy to set up and not too noisy. ...Great Customer Service and Air Conditioner...We are very pleased with our Air Conditioner!!! Newair backs it's products. The customer service is awesome if you run into any issues... "

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    Product Description

    This powerful NewAir Portable Air Conditioner rapidly cools and dehumidifies up to 500 square feet, making it perfect for large rooms and open concept living spaces. With 14,000 BTUs of cooling power (9,500 BTUs with new DOE guidelines) and a fan with up to 250 CFMs of airflow, enjoy total comfort even in the hot and humid days of summer. Portable air conditioners are the ideal solution for apartments and condos with restrictions on window units. The included venting kit makes it a snap to set up, while its lightweight, portable design easily rolls anywhere you need relief.
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    Top comment

    "Excellent air conditioner. Easy to set up and not too noisy. ...Great Customer Service and Air Conditioner...We are very pleased with our Air Conditioner!!! Newair backs it's products. The customer service is awesome if you run into any issues... "

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    Product Description

    This powerful NewAir Portable Air Conditioner rapidly cools and dehumidifies up to 500 square feet, making it perfect for large rooms and open concept living spaces. With 14,000 BTUs of cooling power (9,500 BTUs with new DOE guidelines) and a fan with up to 250 CFMs of airflow, enjoy total comfort even in the hot and humid days of summer. Portable air conditioners are the ideal solution for apartments and condos with restrictions on window units. The included venting kit makes it a snap to set up, while its lightweight, portable design easily rolls anywhere you need relief.
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    Your price for this item is $629.99
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  3. LG - 800 Sq. Ft. 15,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "Air conditioning...I bought this air conditioner about a month ago and it cooldown really good...This Air Conditioner works fantastic and as advertised. "

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    Product Description

    The LG LW1517ERSM is not only cool...it's SMART! 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. This quiet unit is ideal for cooling large rooms up to 800 sq. ft. and is Energy Star certified to help save on energy. The unit has 3 cooling and fan speeds and a 24 hour timer to create a cooling schedule. 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 a remote control, easy window installation kit, slide-out (washable) filter and a check filter alert.
    See all Window Air Conditioners
    Top comment

    "Air conditioning...I bought this air conditioner about a month ago and it cooldown really good...This Air Conditioner works fantastic and as advertised. "

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    Product Description

    The LG LW1517ERSM is not only cool...it's SMART! 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. This quiet unit is ideal for cooling large rooms up to 800 sq. ft. and is Energy Star certified to help save on energy. The unit has 3 cooling and fan speeds and a 24 hour timer to create a cooling schedule. 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 a remote control, easy window installation kit, slide-out (washable) filter and a check filter alert.
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    Your price for this item is $539.99
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  4. Whirlpool - 450 Sq. Ft. 10,000 BTU Window Air Conditioner - White - Front_Zoom
    Top comment

    "Air Conditioner for all...Great air conditioner!...Great air conditioner keeps my whole 800 Sq ft house cool. "

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    Product Description

    Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 10,000 BTU window-mounted air conditioner quickly cools and dehumidifies a room up to 450 square feet. Equipped with a programmable 24-hour on/off timer, you can customize cooling time to fit your schedule for immediate comfort when you get home. Three cooling speeds, Eco mode, and Sleep mode all give you the flexibility you need to keep you and your loved ones cool and comfortable. Plus, maintenance is a breeze with the removable and washable air filter. At Whirlpool, we take comfort and caring to the next level.
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    Top comment

    "Air Conditioner for all...Great air conditioner!...Great air conditioner keeps my whole 800 Sq ft house cool. "

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    Product Description

    Enter the realm of cool comfort! Easy to install and operate, the Whirlpool 10,000 BTU window-mounted air conditioner quickly cools and dehumidifies a room up to 450 square feet. Equipped with a programmable 24-hour on/off timer, you can customize cooling time to fit your schedule for immediate comfort when you get home. Three cooling speeds, Eco mode, and Sleep mode all give you the flexibility you need to keep you and your loved ones cool and comfortable. Plus, maintenance is a breeze with the removable and washable air filter. At Whirlpool, we take comfort and caring to the next level.
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    Your price for this item is $429.99
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  5. Honeywell - Classic 700 Sq. Ft. Portable Air Conditioner with Dehumidifier - White - Front_Zoom
    Top comment

    "I have had this product for a few weeks now and it has been working great! Shoots our nice, cold air. It’s great since our last two LG air conditioners didn’t work well and even broke!...Powerful Comfort For A Portable...Powerful portable A/C unit. Setup was a breeze and it’s very quiet too for its size. "

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    Product Description

    Stay cool and dry with this MN4CFSWW9 Honeywell Classic Series dual hose portable air conditioner. This unit combines 3-in-1 technology in one sleek body, cooling and dehumidifying rooms up to 700 square feet. It features an auto-evaporation system, a reliable dehumidifying function, and a traditional three-speed fan function to deliver optimum cooling, dehumidification, and fresh ventilation. The full-function remote control allows you to operate each feature from across the room. Unlike a fixed air conditioner, the Honeywell Portable Air Conditioner requires no permanent installation, and smooth-gliding wheels make sliding it from room to room a breeze. This portable air conditioner comes with everything needed, including a flexible exhaust hose and an easy-to-install window venting kit, which can be removed when the unit is not in use.
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    Top comment

    "I have had this product for a few weeks now and it has been working great! Shoots our nice, cold air. It’s great since our last two LG air conditioners didn’t work well and even broke!...Powerful Comfort For A Portable...Powerful portable A/C unit. Setup was a breeze and it’s very quiet too for its size. "

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    Product Description

    Stay cool and dry with this MN4CFSWW9 Honeywell Classic Series dual hose portable air conditioner. This unit combines 3-in-1 technology in one sleek body, cooling and dehumidifying rooms up to 700 square feet. It features an auto-evaporation system, a reliable dehumidifying function, and a traditional three-speed fan function to deliver optimum cooling, dehumidification, and fresh ventilation. The full-function remote control allows you to operate each feature from across the room. Unlike a fixed air conditioner, the Honeywell Portable Air Conditioner requires no permanent installation, and smooth-gliding wheels make sliding it from room to room a breeze. This portable air conditioner comes with everything needed, including a flexible exhaust hose and an easy-to-install window venting kit, which can be removed when the unit is not in use.
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    Your price for this item is $649.99
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  6. LG - 340 Sq. Ft. 8,200 BTU Window Air Conditioner - White - Front_Zoom

    Product Description

    Beat the heat with this LG window air conditioner. The multiple cooling speeds, fan speeds and four-way air direction allow for easy customization and complete cooling. This LG window air conditioner comes with a convenient remote control, so it's simple to make adjustments to the temperature and mode from across the room.
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    Product Description

    Beat the heat with this LG window air conditioner. The multiple cooling speeds, fan speeds and four-way air direction allow for easy customization and complete cooling. This LG window air conditioner comes with a convenient remote control, so it's simple to make adjustments to the temperature and mode from across the room.
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    Your price for this item is $269.99
    Price Drop
    The previous price was $389.99
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  7. LG - 330 Sq. Ft. 8000 BTU Through-the-Wall Air Conditioner - White - Front_Zoom
    Top comment

    "Powerful air conditioner...This AC has minimal noise but powerful out put of air. During the hot summer months I keep it on medium and it's good enough for the whole season...Air Conditioner number 1...The new air conditioner Lg Is so good, the refrigeration is great"

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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

    "Powerful air conditioner...This AC has minimal noise but powerful out put of air. During the hot summer months I keep it on medium and it's good enough for the whole season...Air Conditioner number 1...The new air conditioner Lg Is so good, the refrigeration is great"

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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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    Your price for this item is $400.99
    The previous price was $499.99
    See all In-Wall Air Conditioners
  8. LG - 350 Sq. Ft. Portable Air Conditioner - White - Front_Zoom
    Top comment

    "They work as advertised are fairly quiet (as air conditioners go) and cool the spaces as needed....Air Conditioner...Very good air conditioner cools down my room amazing and fast great product"

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    Product Description

    This portable air conditioner is a great choice for versatile cooling! This quiet unit is ideal for cooling medium rooms up to 350 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air 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. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.
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    Top comment

    "They work as advertised are fairly quiet (as air conditioners go) and cool the spaces as needed....Air Conditioner...Very good air conditioner cools down my room amazing and fast great product"

    See all customer reviews

    Product Description

    This portable air conditioner is a great choice for versatile cooling! This quiet unit is ideal for cooling medium rooms up to 350 sq. ft. The unit has 2 cooling and fan speeds and a 24 hour timer to create a cooling schedule. The auto-swing air vent helps direct the flow of air 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. Easy rolling casters allow you to efficiently move the unit to another location. Other features include an LCD remote control, easy window venting installation kit, removable/washable filter and a check filter alert.
    See all Portable Air Conditioners
    Your price for this item is $373.99
    The previous price was $399.99
    See all Portable Air Conditioners
  9. Whirlpool - 550 Sq. Ft 12,000 BTU 230V Through-the-Wall Air Conditioner with 10,600 BTU Heater - White - Front_Zoom
    Top comment

    "Through the wall air conditioner...Best & Powerful Wall Unit Air Conditioner...We purchased this wall unit air conditioner for our kitchen, living room and bedrooms which are all located on one level. "

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    Product Description

    Trust Whirlpool to help you care for your family and make your life easier. Our line of home comfort products keeps the climate inside your home just right - making the air comfortable, clean, and fresh. Whirlpool’s through-the-wall air conditioners are compatible with standard wall sleeves and offer a permanent cooling solution for areas of your home that are not connected to a central cooling system, saving you the hassle of summer installation then winter storage season after season. In addition, our heat/cool units provide supplemental heating to warm up the room on those unexpected chilly nights without heating the entire house. This heat/cool model offers 10,600 BTUs of supplemental heating and 12,000 BTUs of cooling for a room up to 550 square feet. It requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet. Take comfort and caring to the next level with Whirlpool.
    See all In-Wall Air Conditioners
    Top comment

    "Through the wall air conditioner...Best & Powerful Wall Unit Air Conditioner...We purchased this wall unit air conditioner for our kitchen, living room and bedrooms which are all located on one level. "

    See all customer reviews

    Product Description

    Trust Whirlpool to help you care for your family and make your life easier. Our line of home comfort products keeps the climate inside your home just right - making the air comfortable, clean, and fresh. Whirlpool’s through-the-wall air conditioners are compatible with standard wall sleeves and offer a permanent cooling solution for areas of your home that are not connected to a central cooling system, saving you the hassle of summer installation then winter storage season after season. In addition, our heat/cool units provide supplemental heating to warm up the room on those unexpected chilly nights without heating the entire house. This heat/cool model offers 10,600 BTUs of supplemental heating and 12,000 BTUs of cooling for a room up to 550 square feet. It requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet. Take comfort and caring to the next level with Whirlpool.
    See all In-Wall Air Conditioners
    Your price for this item is $649.99
    Price Drop
    The previous price was $749.99
    See all In-Wall Air Conditioners
  10. LG - 10,000 BTU Smart Window Air Conditioner - White - Front_Zoom
    Top comment

    "My LG air conditioner is in my kitchen and is powerful enough to also cool an adjoining sunroom! ...Great Air...My son was very please with how it cool his place also. Good air conditioners would purchase again"

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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.
    See all Window Air Conditioners
    Top comment

    "My LG air conditioner is in my kitchen and is powerful enough to also cool an adjoining sunroom! ...Great Air...My son was very please with how it cool his place also. Good air conditioners would purchase again"

    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
    Your price for this item is $389.99
    Price Drop
    The previous price was $439.99
    See all Window Air Conditioners
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