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11,800 BTU 115-Volt Through-the-Wall Air Conditioner with ENERGY STAR and Remote
  • LG Electronics
  • Model LT1216CER
  • Internet #206795958
  • Store SO SKU #1001812413

11,800 BTU 115-Volt Through-the-Wall Air Conditioner with ENERGY STAR and Remote

$54999 /each
Discontinued Model:

Model # LT121CNR

Internet #202073165

Store SO SKU #486693

LG Electronics 11,500 BTU 115v Through-the-Wall Air Conditioner with Remote

Discontinued LG Electronics

11,500 BTU 115v Through-the-Wall Air Conditioner with Remote

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Product Overview

This 115-volt unit cools rooms up to 550 sq. ft. with a cooling capacity of 11,500 BTU. The LT121CNR Through-The-Wall Air Conditioner quickly and efficiently cools medium to large rooms. The unit is designed with easy-to-read digital controls and a digital display for simplicity of use. Plus, this unit features a convenient 12-hour on / off timer. This automatically increases the temperature setting twice (after 1/2 hour and one hour). The interior unit shuts off when the timer setting is reached.The Auto restart function automatically restarts this unit to the programmed setting when the electricity comes on after a power failure. Wall sleeve sold separately.

  • Through-the-Wall (TTW) wall sleeve sold separately
  • Gold Fin anti-corrosion treatment
  • Auto restart
  • 12-hour on/off timer
  • Remote control included
  • Trim kit included
  • Energy efficiency rating (EER): 8.8
  • Fan speeds (cooling): 3
  • 290 CFM
  • Moisture removal: 3.8 pints per hour
  • Auto sleep mode
  • Auto sleep mode
  • This item does not qualify for the Major Appliance Delivery & Haul Away or Installation Services

Info & Guides

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Name 11,500 BTU 115v Through-the-Wall Air Conditioner with Remote 11,800 BTU 115-Volt Through-the-Wall Air Conditioner with ENERGY STAR and Remote 10,200 BTU 115-Volt Built-In Cool-Only Room Air Conditioner in Gray 10,100 BTU 230/208-Volt Built-In Cool-Only Room Air Conditioner in Gray
Brand LG Electronics LG Electronics GE GE
Ratings (14) (36) (1) (1)
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Warranty / Certifications

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Customer Questions & Answers

LG Model# LT121CNR does this have slide out chassis and what wall sleeve is used for this model?

Asked by: Anonymous
Purchased the casing at the time we purchased the air conditioner.
Answered by: Tiger
Date published: 2015-09-20

how long does delivery take?

how long does delivery take?
Asked by: Anonymous
Delivery was fast and on time - We didn't have to go to the store and lug the unit into the van. Excellent service...Unit was delivered on time and the drivers were courteous.
Answered by: Tiger
Date published: 2015-09-17

How long is the power cord for this unit (in inches?) Thank you.

Asked by: Anonymous
Mine is 76" including the plug. It comes out of the right side of the unit. I had to turn my receptacle upside down so it would just barely reach.
Answered by: Rick69
Date published: 2015-09-17

my wall is 19 inches deep will LG Model# LT121CNR work in this opening?

Asked by: Anonymous
Yes, but will probably stick out by 5-9 inches out.
Answered by: MadMax
Date published: 2015-09-17
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Customer Reviews

11,500 BTU 115v Through-the-Wall Air Conditioner with Remote is rated 4.1 out of 5 by 14.
Rated 5 out of 5 by from Great through the wall AC!! My home does not have central air but since I installed this through-the-wall AC unit in my home it feels as if I do! I have this through-the-wall AC which cools the entire downstairs of my home (roughly 600 sq feet) and I have another LG window model that cools the upstairs. This newer model AC is also about 30 pounds lighter which is great. Love the remote control too. Good price for a great product.
Date published: 2011-05-02
Rated 5 out of 5 by from Excellent buy - super cooling Replaced our 4 year old Samsung units that was also 11,500 BTU. This LG unit is extremely quiet over the older unit and cools the rooms almost immediately. We have the a/c on low and it out performs the old one on high setting. Extremely pleased with this unit. Will always buy a LG a/c in the future.
Date published: 2012-05-10
Rated 4 out of 5 by from Nice piece, but not without flaws. I made a mistake of sticking a window 9.5 LG unit into the wall, so after the horrible summer of 2011 I decided to restore the balance of the Force. Unit came nicely packed and on time. All the instructions are nicely written. I put it in the wall sleeve using urethane expanding foam from a can as I did with previous unit - it worked like a charm, keeping cold winter air and creepy summer crawlers outside. First thing noticed - boy this thing's powerful! It almost blew my cat away, yet remained relatively quiet for such a huge machine. Remote operating crisp and from far away. Yes light do blink when the compressor starts. Please make sure you have at least 15A dedicated circuit for it - it makes ConEdison VERY happy every time it starts. Now the "few things". I don't like the air direction thingie. Most of the wall sleeves are at ankle level, why do they do the flaps so it blows air parallel to the floor? Also the side air wings does not really work, they deflect air flow by God bless 20 degrees to each side no matter how hard you steer them. Overall I love this unit so far. It is VERY cold, very fast and quiet. If you don't mind paying extra penny for comfort, please love yourself - buy it.
Date published: 2012-04-10
Rated 5 out of 5 by from It works great!!! I would recommend LG over any other brand. I have being using this product for a couple weeks. It works fantastic. What makes it even better is the option for 115 volt outlet. I wanted I large AC unit but did not have the option to use 220V. This was a great alternative.
Date published: 2012-02-09
Rated 4 out of 5 by from Good but expensive... It works great, installation was pretty easy. I wish the timer function worked differently. I would like to be able to set a start time, not by number of hours. Like the energy save function.
Date published: 2010-06-28
Rated 4 out of 5 by from Nice AC--A bit noisy and difficult to install We hired the same man to install this air conditioner as we have for others we've purchased. He said this was the most difficult installation ever. The directions were impossible. The AC puts out a lot of really cold air (that's what we wanted), but it is noisy. We don't use the "energy saver" because the drastic difference between the "on" and "off" is so great, it wakes us up. Design is good. The remote control is terrific. I think this is about as good as one will get for a thru-the-wall AC. Would have given a 5-star review if the installantion hadn't been so difficult.
Date published: 2012-07-19
Rated 1 out of 5 by from DO NOT BUY THIS UNIT I've had this AC for nearly 2 months, and it performs worse than the 40 year old AC removed. The old one worked - not good - but it worked. This one recycles over, and over and over all day long, and it never reaches the temperature that I've got it set at. I've got an "atomic clock" with temperature control, only 8 feet directly in front of it. I'm so disappointed in this unit. If it were possible, I'd have my contractor take it out, and I'd return it to the store. DO NOT BUY THIS UNIT
Date published: 2014-07-08
Rated 4 out of 5 by from Better than expected, but a bit difficult to insta This unit very well cools an area larger than specified. It may be a Home Depot issue, but I'm not sure I bought the proper wall sleeve and it was a bit difficult to install.
Date published: 2012-12-04
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