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3.8 out of 5 stars. 13 reviews
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LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs

3.8

(13 Reviews)

|

Item # 221656999

$789.99
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A woman outside with a dog

LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs

LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs

Item # 221656999

LG LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs
LG LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs
$789.99
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or

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LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs

Item # 221656999

LG LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs
LG LG 230/208V Window Smart Air Conditioner with Remote, 1,560 sq. ft., 24,500 BTUs

$789.99
or
or
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$66/mo.†  suggested payments with 12 Months Financing or earn $39 in Rewards+ on this purchase.

This item is available online only

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The LG 230/208V Window Smart Air Conditioner with Remote 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. 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. Ensure your space remains comfortable, cool and ready for relaxing with this air conditioner.

Looking for more information on staying cool in the heat? Check out our guide on cooling strategies during extreme heat in the product documents section.

  • Beat the heat while remaining cool and happy on hot summer days
  • Cool your room with ample chilling capacity of 7180.24W
  • With up to 1,560 sq. ft. cooling coverage, it helps you keep your home cool and cozy during hot summer months
  • Have more control over airflow with 3 fan speeds
  • User-friendly digital control panel and remote control
  • Fits window openings: 29 ft. to 41 in. W x 19 in. H
  • 3-in-1 operation: Cool/Fan/Dry
  • 3 cooling and fan speeds with auto cool
  • 4-way air deflection
  • Power failure auto restart
  • Equipped with a slide-out, washable filter
  • Filter check reminder light
  • Window installation kit included with the air conditioner
  • Slide in/out chassis for easy installation
  • 230/208V LCDI plug (NEMA 6 - 15)

Q&As

1 - 10 of 10 Questions

Q: What is the cord in the control panel that isn't the power cord - it's smaller and doesn't seem to have a hook up. 

10 months ago

Originally posted on lg.com

1 Answer
  • A: Hey there! Great question. What you're looking at is a wire harness that ensures secure electrical connections for optimal air conditioning performance. The wire harness features secure and reliable electrical connections, which are vital for the seamless operation of the air conditioning system. If you have any more questions, you can reach us on social media @LGUSSupport. We're always happy to help! *Joseph
    10 months ago

Q: Can this model fit into the metal frame for the discontinued LG2516ER? We need to replace an old LG2516ER and would be great to slide this model into the already installed metal frame from the old A/C

11 months ago

Originally posted on lg.com

1 Answer
  • A: Hi there. We love that you're staying loyal to LG and thinking creatively about your setup! 💪 While the LG window A/C LW2521ERSM and the discontinued LG2516ER are part of the same product family, they may have slight differences in cabinet design and mounting points. It's possible the new unit could fit into the old metal cabinet, but we recommend installing the cabinet that comes with it. For more questions, private message us on social media @LGUSSupport. Thanks for choosing LG to keep your space cool and comfortable! 😊 ^David
    11 months ago

Q: Is there any way to get a longer power cord for this unit?

a year ago

Originally posted on lg.com

1 Answer
  • A: Hey there. The LG window A/C unit LW2521ERSM has a fixed 52-inch power cord, and no official longer power cord version is available. LG doesn’t recommend using extension cords or modifying the existing cord for safety and performance reasons. If the cord doesn’t reach your outlet, the best option is to install a dedicated outlet closer to the unit. This ensures proper power delivery and helps maintain the safety and reliability of your A/C. ​​​​​​​​​​​​​​​​​​​​​For more questions, private message us on social media @LGUSSupport. We're always happy to help! 🙂 ^David
    a year ago

Q: What style plug does it have? 1 perpendicular terminal?

a year ago

Originally posted on lg.com

1 Answer
  • A: The LG 24,500 BTU Smart Wi-Fi Enabled Window Air Conditioner, Model # LW2521ERSM plugs into a standard 240 V, 3-wire grounding receptacle rated 20 A / 240 VAC / 60 Hz that has a 6-20R NEMA Configuration, so the plug for the power cord has a 6-20P NEMA configuration which is a horizontal blade and a vertical blade over a horseshoe-shaped grounding pin...^Ivan.
    a year ago

Q: What style plug does this have?

a year ago

Originally posted on lg.com

1 Answer
  • A: Hey there! This window air conditioner requires a standard 240V, 3-wire grounding receptacle rated for a 20A / 60Hz plug. Please use a 20A time delay fuse or a 20A circuit breaker. - Anthony
    a year ago

Q: how do you turn off the filter light ?

2 years ago

Originally posted on lg.com

1 Answer
  • A: Hey there. We can help you rest your filter light on your LG A/C. Press the Temp ↑ ↓ together on the control panel to turn off the clean Filter light. For more questions, private message us on social media @LGUSSupport. We're just a click away! ^David
    2 years ago

Q: Dimensions

Anonymous2 years ago

Originally posted on lg.com

1 Answer
  • A: Hey there! This window air conditioner is super versatile, fitting window widths from 29 to 41 inches and heights of 19 inches. It's a sturdy little guy, weighing 130 lbs. Here are the product dimensions: Depth: 28.11 inches, Height: 17.68 inches, Width: 25.98 inches. For shipping, it measures Depth: 30.51 inches, Height: 22.44 inches, Width: 29.13 inches, with a shipping weight of 146 lbs. Hope this helps. ^ Diego
    2 years ago

Q: What kind of end does it have

2 years ago
1 Answer
  • A: Hello, If I'm understanding your question correctly, this product comes with a 230/208-Volt LCDI Plug (NEMA 6 - 15) with three-prong end. Please provide more information if this is not what you are inquiring about.
    2 years ago
    Helpful?

Q: How wide is it

2 years ago
1 Answer
  • A: Hello, Thank you for your question. The product width is listed at 25.98". This unit will fit any window that measures 29"-41" wide by 19" tall.
    2 years ago
    Helpful?

Q: LW2521ERSM 24,500 BTU Smart Wi-Fi Enabled Window Air Conditioner Just got this a few days ago, and it makes a noise when it running ( buzzing ) noise , when the compressor turns off the noise goes away , only when the compressor turns on

Anonymous2 years ago

Originally posted on lg.com

1 Answer
  • A: Hey Stacey. We would like to know more about your air conditioner's buzzing. You can check out a quick walkthrough on air conditioner noises here: http://spr.ly/6426kWwWa. If you have future air conditioning questions, please send us a private message on social media @LGUSSupport with your contact information, model, and serial number. We will be sure to clear the air. ~ Jupe
    2 years ago

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Reviews

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Overall Rating

3.8

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  • cold
  • satisfaction
  • noise level
  • installation
  • efficiency
  • product features
  • purchase
  • quality
1 to 4 of 13 Reviews .
1 – 4 of 13 Reviews
Mississippi
Review 1

This has been a disaster

a month ago
This is my SECOND air conditioner from LG. neither work. They have been almost a month now looking for someone to service this second BRAND NEW air conditioner. I’m very disappointed in LG. No efficiency no noise no air flow no cooling and no temperature. No ANYTHING. The only reason I gave 1 star, it wouldn’t allow submission without it.

Originally posted on lg.com

Response from lg.com:
a month ago
LG
Hello. Thank you for sharing your review regarding your LG LW2521ERSM Air conditioner. We always aim to provide powerful, efficient, and dependable climate control systems for your home comfort, and we want to help ensure your unit delivers the crisp airflow and precise temperature management you expect. When an air conditioning system experiences a drop in cooling performance or airflow, reviewing the filtration and external ventilation path can often restore full functionality. We recommend turning off the unit and sliding out the primary mesh filter to ensure it is completely free of dust accumulation, as blocked intake areas heavily restrict air circulation and overall cooling capacity. Additionally, checking that the exterior condenser coils on the rear of the unit are clear of outdoor debris ensures proper heat dissipation, allowing the system to run smoothly and efficiently. For detailed guidance on optimizing your cooling setup and maintaining your Air conditioner's performance, please visit https://www.lg.com/us/support/help-library/troubleshooting-an-lg-air-conditioner-that-is-not-cooling--20152825310030. Please send us an email at lgdigitalcare@lg.sprinklrsupport.com if you need further support. ^James
Review 1

Air conditioner

a year ago
I bought a air conditioner 7 months ago and it broke down and it is unrepairable so I am having trouble filing out the paper for a. Store. Credit

Originally posted on lg.com

Response from lg.com:
a year ago
LG Social
Thank you so much for reaching out Mike! We truly appreciate your support and are excited to assist you. We're here to make sure the store credit process is as easy and seamless as possible. If you need any help with the paperwork or have any questions, please don’t hesitate to let us know on social media through a private message @LGUSSupport or @LGUSA on Instagram with your contact details. We're always happy to support you and ensure you're taken care of. ^Anthony
Review 1
a year ago
I am very happy with all the LG products I purchased within the last 6 months.

Originally posted on lg.com

Response from lg.com:
3 months ago
LG
Hi, Rosita. Thank you for sharing your feedback on your LG Air Conditioner (LW2521ERSM) model. It’s wonderful to hear that you’re very happy with all the LG products you’ve purchased over the past six months. This unit—a powerful, smart‑enabled room air conditioner—is designed for strong cooling performance and convenient control, so it’s great to know it’s contributing to your overall satisfaction with the lineup. If you need further assistance, feel free to email lgdigitalcare@lg.sprinklrsupport.com. #LifesGood ❤️ LG Digital Care Team ^Juvy
Review 1

So far, so good.

2 years ago
While it required an electrician to come in and install the special outlet, so far it’s producing a really exceptional amount of cooling to our commercial kitchen.
ProsPerformance

Originally posted on lg.com

Response from lg.com:
a month ago
LG Digital Care Team
Hi there! Glad to hear your new unit is already making a big impact in your kitchen. Sounds like the extra cooling power is doing exactly what you needed after getting that outlet set up. If you ever need help in the future, @LGUSSupport is always here for you. #LifesGood ❤️ -Rich