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LP126CD3B 42" Packaged Terminal Air Conditioner With 12,200 BTUs Cooling Capacity, 420 CFM, 11.9 EER, 265V, Heat/Cool, R-410A, Energy Saving Mode, Defrost Control, ADA Compliant
★★★★★ ★★★★★

LP126CD3B 42" Packaged Terminal Air Conditioner With 12,200 BTUs Cooling Capacity, 420 CFM, 11.9 EER, 265V, Heat/Cool, R-410A, Energy Saving Mode, Defrost Control, ADA Compliant


Items that are currently in-transit to our warehouse, are currently in-stock at a drop-ship vendor’s, or manufacturer's warehouse will be marked as "Available". These products will ship once your order is processed (usually within 24-48 business hours). For any exceptions to this timeframe, an ETA (Estimated Time of Arrival) for your order will be emailed with accurate shipping dates in order to ensure that you are always updated and informed as to when your order will arrive at its final destination.

Quick Specs: View More

  • Width: 42"
  • Height: 16"
  • Depth: 21"

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Ultra quiet operation is the hallmark of LG's new line of PTAC products. Low decibel levels and an outstanding sound prevention rating make this your best choice for a quiet environment. And with efficiency ratings up to 11.9 EER, these units are also your energy efficient choice. Other features include standard connections for remote thermostat and front desk controls. Gold Fin technology protects the unit from the corrosive effects of outside air and extends the operating life of PTAC models. And the industry standard size makes installation easy and economical. Wall Sleeves and Exterior Grilles are Needed for New Installations (Sold Separately).   Available at AppliancesConnection


LG PTAC units are an economical way to cool and/or heat your rooms. Whether assessing construction costs, maintenance costs, or operating costs, PTACs allow for the flexibility to control energy expenses room-by-room, rather than building-by-building. If you need service or maintenance, the units easily slide out of the sleeves and can be replaced simply by sliding in a new unit. The dual air filters are front-loaded for easy cleaning, and can be interchanged left or right. LG was among the first manufacturers to include a cross-flow fan for quiet operation, and continues to add innovative improvements to maximize your investment and control your energy use.


  • Digital Control Panel with Temperature Display
  • ULTRA QUIET Operation
  • Gold Fin™ Coil Anti-Corrosion Protection
  • High EER Ratings for Energy Savings
  • Standard Connections for Remote Thermostat
  • Compatible with Most Energy Management Systesm for Added Energy Savings
  • Fits Most Standard Sleeves for Easy Installation of Replacement Units
  • ADA Compliant
  • 2 Cooling/ 2 Heating/ 2 Fan Modes
  • Energy Saving Mode
  • Polymeric Mesh Filter
  • Separate Indoor/ Outdoor Motors
  • Freeze Protection
  • Defrost Control
  • 4 Comfort Sensors for Efficient Control


System Model #





Capacity (BTUs) cooling








Power Supply


265 / 60 / 1

Electric Heater



Air Circulation

CFM (High / Low)

420 / 353




Sound Pressure


Indoor dB(A)*



Outdoor dB(A)*





42 x 16 x 21

Net Weight



Thermostat Range

Cooling (°F)**



* LG verified sound ratings.

** Adjustable by temperature limiting with DIP switches on the unit.

Note :
Due to our policy of innovation some specifications may be changed without notification.



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Overall Rating ☆☆☆☆☆ ★★★★★ 5.0
Ease of Use 5.0
Meet Expectations 5.0
Bang for Your Buck 5.0
Average rating out of 1 reviews

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Customer Reviews


By  from Winchester, MA
Overall Rating: ☆☆☆☆☆ ★★★★★ 5

Recommended Product:

Really nice PTAC unit which does a superb job at keeping my house cool during the summer months. I would highly recommend this unit.

Written by a customer while visiting
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  • Brand:LG
  • SKU:LP126CD3B
  • UPC:048231366557
  • Stock Id:323711
  • Product Number:LP126CD3B


  • Type:PTAC


  • Width:42"
  • Height:16"
  • Depth:21"

    Technical Details

  • Weight:110.00 lbs