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LG Logo

14,000 BTU Smart Wi-Fi Enabled Window Air Conditioner

Model # LW1521ERSM1

 3.4 out of 5 (8 Reviews)

Visit / Call our Showroom for Pricing and Availability


  • Cool down your desired space with this 14,000 BTU Air Conditioner
  • Stay comfortable with this LG Air Conditioner that cools up to 700 square feet
  • Control key features of your Wi-Fi enabled air conditioner with the ThinQ app
  • Choose your perfect temp with high, mid and low modes for cooling and fan speed
  • Make temperature adjustments and fan speed selection on the easy to use control panel or remote
  • Automatically restarts minutes after power is restored when a power failure occurs
  • The Clean Filter Alert lets you know when it's time to clean. Simply remove the filter to wash
  • Reduce power consumption with the Energy Saver Function
Cord Length 72"
Compressor Rotary
OLP Internal
Refrigerant R32
Net Weight (lbs.) 82 lbs
Product Depth 22.2"
Product Height 15"
Product Width 23.62"
Shipping Depth 23.5"
Shipping Height 18.66"
Shipping Weight (lbs.) 90 lbs
Shipping Width 27.17"
Plug Type 115Volt/15Amp
Voltage / 60 Hz 115V / 60HZ
Air Deflection 4-Way
Air Discharge Type Top Discharge
Auto Restart Yes
Auto Swing Yes
Chassis Type Top Down
Energy Saver Function Yes
Fan Speed Cooling 3
Fan Speed Heating 3
Fan Speed Only 3
Filter Alarm Function Yes
Indoor Fan Type Turbo
Outdoor Vent / Exhaust No
Remote Control Yes
Thermostat Control Thermistor
Timer 24Hr, On/Off
Wi-Fi Connection Yes
BTU performance (Cooling) 14,000
CEER 11.2
dBA Level (High/Mid/Low/Sleep) 55/54/53
Dehumid. (Pts/Hr) 4.6
Dry Air Flow (CFM) 265
Est. Cooling Area (Sq. Ft.) 700
Type Window Air Conditioner
UPC 048231606585

AB1200 Product Details

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy, and expensive and you probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Questions or Comments?
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out of 5 (8 Reviews)

62% of reviewers recommend this product.

Enjoy it a lot

Submitted by Gitty Berger - 7/1/2024

It cools just perfect The energy saver mode works amazing - it turns on and off at the perfect time
Originally posted on

Yes, I recommend this product

Excellent Air Conditioner

Submitted by DS177 - 6/28/2024

We purchased this window air conditioner in May for cooling our downstairs area. It works so well in cooling is quiet and we receive notices on our phones if an issue occurs such as the filter needing cleaning. This air conditioner is actually 1000 BTUs less than the one it replaced and cools much better. Highly recommend.
Originally posted on

Yes, I recommend this product

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Submitted by Bionic - 6/28/2024

I waited a long time for this AC due to the was extremely important because it went into my wall. Im extremely pleased with the power and all the functions. The only thing disappointing about my AC is the MAIN PANEL on the RIGHT was dented most likely by lifting from the forklift arms making the front main panel to close in properly I can not move my vent panels up or down. Otherwise I would still recommend this AC as it has been a sheer PLEASURE
Originally posted on

Yes, I recommend this product

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Stuck with a brand new $500 broken ac.

Submitted by 2mad - 11/6/2023

I purchased an ac and it arrived broken. Amazon replaced it and it worked for almost 2 months. We started having issues with and contacted Amazon and they said its past their 30 day limit to contact LG. I contacted LG and have received the run around. They said they would send a tech 2 weeks later said they didnt have a tech in my area. Then it was that my ticket was being sent for a resolution of replacement or refund. That was a whole different run around. Several times I talked to different people and they had me sending pics of serial numbers receipts from amazon. Every time I wouldnt hear from the resolution team and was then told to resend everything. About the 5th or 6th time on that merry go round I gave up calling. Now Im stuck with a broken $500 ac. I will never buy another LG product even if its only a dollar.
Originally posted on

No, I do not recommend this product

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Do not buy RUN

Submitted by 2mad - 10/7/2023

It broke less than 2 months after receiving it and the issue still has not been resolved. They are good at giving you the run around on the warranty while you sit and sweat with a broken ac.
Originally posted on

No, I do not recommend this product

I got a lemon

Submitted by Leif34 - 9/23/2023

I bought this unit in late August because a heat wave was coming. It worked for two days and then the electrical board burnt out Had to wait a week before you sent a man to replace it By then the heat wave was over. Major disappointment
Originally posted on

No, I do not recommend this product

Great A/C

Submitted by Rlsims0324 - 8/8/2023

Bought 2 of these over a year ago. Great units. Has helped with electric bill as well. Keeps consistent temperature. Quiet.
Originally posted on

Yes, I recommend this product

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Great Ac

Submitted by Little dave - 7/4/2023

We bought this ac 2 years ago. It is phenomenal in its ability to cool. It will blow ever so lightly when the temperature gets where you want. It then just barely blows and keeps it cool. Our power bill has gone down about 25. We keep it on energy saver.
Originally posted on

Yes, I recommend this product

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