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11,500 BTU Through-the-Wall Air Conditioner

11,200 BTU Electric Heat Capacity 8.8 Energy Efficiency Ratio R-410A Refrigerant
quick specs
Width: 24 21/32 Inch
Depth: 19 21/32 Inch
Height: 14 13/32 Inch
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Product Information
Brand: LG
Model: LT123HNR
Width: 24 21/32 Inch
Depth: 19 21/32 Inch
Height: 14 13/32 Inch
Type: Wall
Chassis Type: Thru the Wall
Wall Sleeve Included: No
Heating Capacity (BTU): 11,200 BTU
Heat: Electric Heat
CFM Room Circulation: 290 CFM
Energy Efficiency Rating: 8.8
Control Type: Digital
Remote Control Included: Yes
Technical Details
Energy Star Rated: No
ADA Compliant: No
Plug Type: 6-20P
Voltage: 230/208 Volts

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From the Manufacturer

LG Electronics pursues its 21st century vision of becoming a true global digital leader who can make its customers worldwide happy through its innovative digital products and services. LG Electronics set its mid- and long-term vision anew to rank among the top 3 electronics, information, and telecommunication firms in the world by 2010. As such, they embrace the philosophy of "Great Company, Great People," whereby only great people can create a great company, and pursue two growth strategies involving "fast innovation" and "fast growth." Likewise, they seek to secure three core capabilities: product leadership, market leadership, and people-centered leadership. Available at AJ Madison.

The LG HVAC Advantage
LG HVAC systems offer a range of solutions that are cost efficient, quiet and attractive. They provide a smart alternative to both central HVAC and window-mounted air conditioners, and are available in a variety of configurations to suit different cooling and heating situations.

Through-The-Wall Air Conditioners
LG's Through-The-Wall models offer versatile, energy efficient solutions for residential and light commercial applications.

Some of LG's Through-The-Wall models are Energy Star qualified, an important feature for energy conscious customers. All feature Gold Fin Technology which protects the unit from the corrosive effects of the salt air and extend the operating life.

BTU sizes range from 8,000 - 14,000, and both cooling only and heat/cool models are offered. Also, the standard size chassis fits into any competitive wall sleeve, allowing for an easy upgrade for an existing system.
  • Specifications
  • Features
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Cooling Capacity:  
11,500/11,200 BTU
Heating Capacity:  
11,200/9,200 BTU
Energy Star:  
Air Circulation (H/L):  
290/230 CFM
Fan Speeds (Cooling/Heating/Fan):  
3.8 Pts/Hr
Indoor dB(A):  
52/49 dB(A)
Outdoor dB(A):  
61 dB(A)
Rated Voltage:  
Circuit Breaker:  
20 Amps
Thermostat Range
60° - 86°F
54° - 86°F
Dimensions and Weights
24 21/32"
19 21/32"
14 13/32"
80.0 Lbs.


  • Gold Fin Anti-Corrosion Treatment
  • Protects the unit from the corrosive effects of outside air and extends the operating life.
  • Push Button Shift Mode
  • Allows you to switch between cool and heat with ease.
  • Cooling Mode
  • Heating Mode
  • Fan Mode
  • Auto Sleep Mode
  • Automatically increases the temperature setting 2°F twice (after 1/2 hour and one hour).
  • The interior unit shuts off when the timer setting is reached.
  • Auto Restart
  • Automatically restarts a unit to programmed setting when the electricity comes on after a power failure.
  • 12-Hour On/Off Timer
  • Allows you to set the number of hours you'd like the unit to run, up to 12 Hours.
System Includes
  • Wall Unit
  • Remote Control and Batteries
  • Easy to use Wireless Remote Control.
  • Installation Manual
  • Trim Kit
  • Unit has a nice, finished look when placed into an existing wall sleeve.

LG LT123HNR Reviews