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White rectangular through-the-wall air conditioner with top discharge grille and remote control

LG Electronics

LG Electronics LT1236CER 11,500/11,800 BTU 230V Through-the-Wall Air Conditioner

SKU CH-32M0-SEZRJ MPN LT1236CER

A through-the-wall air conditioner delivering 11,500/11,800 BTU cooling for rooms up to 550 sq ft with 3.9 pints per hour dehumidification

  • Chassis styleTop Down
  • Main functionsCooling / Dehumidifying / Fan
  • Item descriptionThe LG Electronics 11,800 BTU through-the-wall air condition
  • Operating room size (approx.)550 Sq. Ft.
  • Cooling capacity (btu)11,500/11,800
  • Heater typeElectric

Cooling Capacity (BTU) 11,800

  • Cools rooms up to 550 sq ft with 11,500/11,800 BTU capacity
  • Dehumidifies at 3.9 pints per hour for drier indoor air
  • Indoor noise as low as 55 dB on low fan setting
  • Washable filter with LED reminder simplifies maintenance
  • Full-function remote and 24-hour timer allow convenient control

Cooling for 550 sq ft rooms

This through-the-wall air conditioner delivers 11,500/11,800 BTU cooling and 3.9 pints per hour dehumidification for spaces up to 550 sq ft. It operates on 230V power with three fan speeds and four-way air direction. A full-function remote control and 24-hour timer add daily convenience.

Suits permanent wall installation

Ideal for homeowners replacing an existing through-the-wall unit who want a direct fit without modifying the opening. The top-down discharge and washable filter simplify upkeep. Not for renters or buyers needing a portable or window-mounted solution that avoids permanent installation.

11,500/11,800 BTU at 230V

The dual cooling rating and voltage requirement are the critical specifications; verify your electrical supply and wall sleeve dimensions match before purchase. Indoor noise ranges from 55 to 59 dBA, outdoor reaches 65 dBA. Electric heat provides supplemental warmth.

How it compares

Measured against everything we stock in Air Conditioning Units, at today’s prices. Recalculated every night.

Price $495.99
Pricier than about 84% of the 19 comparable items (median $222.99).

Specifications

Product
Brand nameLG
Model nameLT1236CER
Design styleThrough the Wall Air Conditioner
Main functionsCooling / Dehumidifying / Fan
Product colorWhite
Power
Amps (cooling)5.5/5.0
Watts (cooling)1,080/1,110
Power supply230/208 V / 60 Hz
Size & build
Chassis styleTop Down
Operating room size (approx.)550 Sq. Ft.
Overall height14.41 in (36.6 cm)
Overall width24 in (61 cm)
Depth (w/ front)20.09 in (51 cm)
Product weight82 lb (37.2 kg)
Shipping weight37.20 kg
Package size635 × 533 × 381 mm
In the box
Includes remote controlYes
Environment & compliance
Energy StarYes
More details
Cooling capacity (btu)11,500/11,800
Heater typeElectric
Air direction control4-Way
Dehumidification3.9 pints/hour
DBA levelNoise Indoor dB (A) (High/Low): 59/55
Noise Outdoor dB (A) (High): 65
Discharge airTop
Fan speeds (cool)3
Fan speeds (fan)3
Energy save modeYes
Filter typeWashable

Other versions of this model

1 more in the same range

Questions about this item

How do I decide between the 11,500 and 11,800 BTU ratings for my room?

The dual rating reflects performance on different supply voltages; both cover rooms up to 550 sq ft.

What does the 3458.24 W cooling capacity mean for daily use?

It is the metric equivalent of the BTU rating and indicates the heat the unit can remove per hour in a 550 sq ft space.

What does the 230 V requirement mean for installation?

The unit needs a dedicated 230 V circuit and fits standard through-the-wall sleeves without modification.

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