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12,000 BTU Room Air Conditioner

11,200 BTU Electric Heat 9.8 EER 3.3 Pts/Hr Dehumidification
quick specs
Width: 23 5/8 Inch
Depth: 22 1/16 Inch
Height: 14 31/32 Inch
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Product Information
Brand: LG
Model: LW1212HR
Width: 23 5/8 Inch
Depth: 22 1/16 Inch
Height: 14 31/32 Inch
Type: Window / Wall
Chassis Type: Slide Out
Wall Sleeve Included: No
Maximum Cooling Amps: 5.5 Amps
Maximum Cooling Watts: 1,220 Watts
Heating Capacity (BTU): 11,200 BTU
Maximum Heating Amps: 15.3 Amps
Maximum Heating Watts: 3,500 Watts
Heat: Electric Heat
CFM Room Circulation: 265 CFM
Energy Efficiency Rating: 9.8
Control Type: Digital
Remote Control Included: Yes
Window Type: Standard
Technical Details
Energy Star Rated: No
ADA Compliant: No
Plug Type: 6-20P
Voltage: 230/208 Volts
UPC: 048231365864

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From the Manufacturer

Window Air Conditioner - LW1212HR
Some Like It Hot. Some Like It Cold.
If you're cold, you're cold - even if it's May. That's why they've created seasonal heating and cooling. You're getting all of the things you love about an air conditioner with 12,000 BTUs, a stylish remote and multiple speeds. Only now, you can heat rooms up to 450 square feet, as well as cool rooms up to 550 square feet.

Seasonal Heating and Cooling
Whether it's cold in April or hot in October, they've got you covered all year round so you can always feel comfortable at home.

Multiple Cooling/Heating Speeds
Control the temperature of the room at your pace with their multiple heating and cooling options.

4-Way Air Direction
Enjoy the cool air even more with their 4-way air direction. By adjusting the deflection, air is directed up, down, left or right to move the air where it's needed most.

Welcome To LG
LG Electronics USA Commercial Air Conditioning business is a leading player in the global air conditioning market, manufacturing both commercial and residential air conditioners and providing total sustainability and building management solutions. From consumer units to commercial air conditioning systems, LG provides a wide range of innovative products for heating, ventilating and air conditioning.

How To Choose A Room Air Conditioner
Compared to large capacity central units, room air conditioners have several advantages. The initial cost of a room air conditioning unit is significantly lower than the cost of central air. Because room air conditioners are designed for cooling small spaces, operating costs are reduced. And, room air conditioners can provide personalized temperature and humidity controls that central systems cannot.

Calculating Cooling Capacity
Cooling capacity is the critical factor in properly selecting a room air conditioner. Cooling capacity is measured in British Thermal Units (BTUs) and typical models will range in capacity from 5,000 BTUs to 28,500 BTUs.

Choosing an undersized unit will overwork the unit and it will not cool properly. Choosing an over-sized unit will cost more to buy and operate and it will not dehumidify properly.

We can help you to calculate capacity. Be prepared to provide specific information on:
  • Room Dimensions
  • A simple floor plan to show the location of doors and north-facing windows
  • The number of people it will serve
  • Sources of heat such as lamps, TV and appliances
  • An explanation of what's above the intended room
  • Your insulation provisions
Cooling Capacity by Room Size
Measure the length and width of the area to be cooled. Multiply the length by the width to determine square footage or square meters. Locate the room size in the chart below to select the appropriate BTUs. Then use the product information to select the unit for your room. When cooling rooms with uninsulated ceilings, great rooms, or southern or western sun exposures - step up to the next BTU size.
Room SizeBTU
Sq. Ft.Sq. m
15014 up to 5,000
16515 5,200
Air Conditioner Tips
Air flow - Keep air filters clean. Do not block air flow areas.

Roomside view - J-models feature concealed power cord storage, this eliminates excessive cord exposure when receptacle is located close to unit.

Wall Opening For RAB46/47/48 Cases
A finished opening of 26 1/8" x 15 3/4", clear of intrusions, is required. Keep clearance of 4" from side walls. Brick veneer or frame walls should have wood studding surrounding case to provide firm anchoring with screws. Case can be fastened directly to brick or block walls with screws sunk in lead expansion shields. NOTE: units should be caulked on all four sides of case to the building exterior to assure building integrity.

Manuals & Guides

  • Energy Info
  • Specifications
  • Features
  • Reviews

Energy Info

This air conditioner has an Energy Efficiency Rating of 9.8 and has an estimated yearly operating cost of $101.85.

Your operating costs will depend on your utility rates and use. The estimated yearly operating cost is based on the 2011 national average cost of $.1109 cents per kWh for electricity and an estimated number of operating hours of 750 hours.

For more information, visit www.ftc.gov/appliances.


BTU Performance (Cooling):  
12,000/11,500 BTU
BTU Performance (Heating):  
11,200/9,200 BTU
Energy Star:  
3.3 Pts/Hr
Dry Air Flow:  
265 CFM
dBA Level (Indoor/Outdoor):  
51/57 dBA
Est. Cooling Area:  
550 Sq. Ft.
Thermostat Control:  
Air Direction:  
Remote Controller:  
Energy Saver Function:  
24 Hr. On/Off
Fan Speed Cooling:  
Fan Speed Heating:  
Fan Only Speed:  
In Door Fan Type:  
Type Air Discharge:  
Side By Side
Outdoor Vent/Exhaust:  
Chassis Type:  
Slide In-Out
1 Year Parts and Labor
Electrical Rating
230/208 Volts
Watts (Cooling):  
1,220/1,170 Watts
Watts (Heating):  
3,500/2,900 Watts
Rated Amps (Cooling):  
5.5/5.8 Amps
Rated Amps (Heating):  
15.3/14.0 Amps
Dimensions and Weights
Overall Width:  
23 5/8"
Overall Depth:  
22 1/16"
Overall Height:  
14 31/32"
Net Weight:  
87.0 Lbs.
Shipping Weight:  
93.0 Lbs.
Stuffing Quantity (20 Ft./40 Ft.):  


  • 12,000/11,500 BTU Cooling
  • 11,200/9,200 BTU Heating
  • Cooling EER (BTU/Watts) 9.8/9.8
  • Dehumidification (Pts/Hr) 3.3
  • Estimated Cooling Area 550 Sq. Ft.
  • Seasonal Heating and Cooling
  • Multiple Cooling/Heating Speeds
  • 4-Way Air Direction
  • Remote Control
  • Timer 24 Hr. On/Off

LG LW1212HR Reviews