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Energy Star Logo
4.3 | 12 Reviews

12,000 BTU Smart Wi-Fi Enabled Window Air Conditioner

LG LW1223ERSM

Features

  • Cool down your desired space with this 12,000 BTU Air Conditioner
  • Stay comfortable with this LG Air Conditioner that cools up to 550 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

Quick Specs

  • Type: Air Conditioner
  • Style: Window/wall Air Conditioner
  • Width: 23.62"
  • Height: 15"
  • Depth: 22.33"
  • Energy Star Rated: Yes
  • Cooling Power: 12000 BTUs

See More

 
Image Feature

Maximum Cooling

LG window air conditioners provide exceptional cooling power that will keep you and your family cool comfortable, and in control.

Image Feature

Maximum Usability

Operate with LED display and simple selection control panel, up/down temperature adjustments, and fan speed selection, using the full-featured remote.

Image Feature

Quiet Operation

LG window air conditioners operate at sound levels as low as 53dB (when in low mode) eliminating unnecessary noise for smooth operation that you'll barely notice.

Image Feature

Control Your Cool from Anywhere

Control key air conditioner features from your phone or favorite smart speaker with the ThinQ® app.

Maximum Cooling LG window air conditioners provide exceptional cooling power that will keep you and your family cool comfortable, and in control.

Maximum Usability Operate with LED display and simple selection control panel, up/down temperature adjustments, and fan speed selection, using the full-featured remote.

Quiet Operation LG window air conditioners operate at sound levels as low as 53dB (when in low mode) eliminating unnecessary noise for smooth operation that you'll barely notice.

Control Your Cool from Anywhere Control key air conditioner features from your phone or favorite smart speaker with the ThinQ® app.

Features

  • Cool down your desired space with this 12,000 BTU Air Conditioner
  • Stay comfortable with this LG Air Conditioner that cools up to 550 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
Compressor
Compressor DAB080CAB
Refrigerant R32
Dimensions/Weight
Product Dimension (WxHxD) 23 5/8" x 15" x 22 1/3"
Electrical Ratings
Voltage / 60 Hz 115V / 60HZ
Features
Air Deflection 4-Way
Air Discharge Type Top Discharge
Auto Restart Yes
Chassis Type Slide In-Out / WL
Fan Speed Cooling 3
Fan Speed Only 3
Filter Alarm Function Yes
Indoor Fan Type Turbo/Axial
Remote Control Yes
Thermostat Control Thermistor
Timer 24 Hr, On/Off
Wi-Fi Connection Yes
Performance
CEER 11.4
dBA Level (High/Mid/Low/Sleep) 55/54/53
Outdoor dB (A) (High) 64
Power (W) 1030
UPC Codes
UPC 048231606653

Quick Specs


  • Appearance

  • Type: Air Conditioner
  • Style: Window/wall Air Conditioner

  • Dimensions

  • Width: 23.62"
  • Height: 15"
  • Depth: 22.33"

  • Features

  • Energy Star Rated: Yes

  • Cooling Capacity

  • Cooling Power: 12000 BTUs

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

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. 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.

4.3 out of 5

83% of reviewers recommend this product.

4 Stars

Works great

Shelby23 9/30/2024

I bought this about 2 months ago and it does a great job keeping the main part of the house cool 1100 sq ft.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

5 Stars

new a/c

Sue LLL 8/8/2024

This has been such a hot muggy summer I dont think I would have survived without my new LG air conditioner. It is the perfect size for my apartment. I had some trouble with the clean filter button: I couldnt get the filter out But a friend showed me. how to do it so its working well and Im happy.
Originally posted on lg.com

Yes, I recommend this product

5 Stars

Keeps us cool

Michele35 7/29/2024

I can not emphasize how much I love this A/C. We used 2 A/Cs to cool Living Dining and kitchen. Now we use only this one. The 12000 BTU is the right size for the space. Even on the very hotest days it stays super cool in here. The only complaint I have. Not a problem in any way. Is the temp on the machine and the temp in the house on 2 thermometers. Is a 2 degree difference. Other then that it is awesome. Easy to clean filter. Cools the house very quickly. If we are out and the A/C is off. If its super hot in house almost 80 or above we do drop it to 60 to cool quicker then adjust it after about an hour or so. It has other features that we have not even tried yet. Just use the remote when we need to turn it on. :
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

5 Stars

Best Air Conditioner I ever got.

shaLim 7/16/2024

Almost a month now with this AC the installation was a breeze I am very pleased with it its cooling my living room and kitchen along the way to the hallway on a 75 degree setting with the energy saver on. Just love it. I am glad I got this.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Keeps Living room dinning and kitchen cool

Msecor 6/29/2024

I bought this a month or so ago. We love it. It goes above and beyond all our other airconditioners we have bought. This morning whe I first turned it on. Not so great...No idea what its problem was. Left it off a couple of hours. Now it is awesome. So yes I would recommend this a/c.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Excellent

Sumon1983 6/9/2024

I bought this AC a month ago and I am so happy to use this product. This is Excellent AC to always my room cold. This is good AC to bought in this summer. You feel relax when you buy this AC.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

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Value

 
1 Stars

Doesnt cool room

Mike Varrecchia 6/4/2024

I bought this 2 weeks ago and it doesnt come close to cooling the room. Have it set to 60 and the room doesnt get below 65. Old one got to 60. The room is 325 sq ft and the 12k BTU is supposed to cover up to 550 sq ft. Dont get.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
1 Stars

Garbage

Jayjasp 5/28/2024

Compressor did not work on a/c. Called Lg as unit was New. Lg gave a bs line and did NOTHING. Will NEVER buy Lg brand of Anything again as their service is a joke.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
5 Stars

No problem

WDM2 10/12/2023

Air conditioner has worked perfectly since installation.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

excellent and easy to use

LG electronics LW1223ERSM 8/2/2023

Very simple to use and works great. Easy to clean filter...
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Awesome air conditioners

Sherry 7 7/26/2023

I bought a second air-conditioner because we were so happy with the one we bought previously
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

LG 12000 BTU window air conditioner for Home Depo

Rickkkkk 7/17/2023

I found the LG 1200 BTU air conditioner for the window fit perfectly keeps the house cool on the bottom floor like central air. Its real quiet the fans from 1 to 3 dont have a lot of difference but they do call a little bit higher than one and then two then three the power of the fan but you gotta listen real closely to hear the difference but it works well keeping it downstairs cool its 90 in humidity outside. Im happy with it probably going to buy another one for upstairs same size I have one from the 80s 90s 12000 BTU and its still Kickin but upstairs but I bought them both at the same time so the one downstairs went in our Bible a new air conditioner when that one goes I got my moneys worth out of them
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value