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SpecLG 11,800 BTU Through-the-Wall AC (LT12124CNR)Midea U 12,000 BTU (MAW12U1KWT)
PhotoLG 11,800 BTU Through-the-Wall AC (LT12124CNR)Midea U 12,000 BTU (MAW12U1KWT)
Our scoreSCORE6.0 / 10SCORE7.5 / 10
Our takeLG's 115V 12,000-class wall unit, rated 11,800 BTU for about 530 sq ft. Cooling only, and its CEER is the weakest of the 115V sizes.The 2026 12,000 BTU U at CEER 16, ENERGY STAR Most Efficient and not recalled. Little owner history yet.
TypeThrough-the-wallU-shaped window
Cooling (DOE / SACC)11,800 BTU12,000 BTU
CEER10.216best
InverterNoYes
Heat modeNoneNone
Weight76 lbn/a
Warranty1 yrn/a
ENERGY STARNoYes
Watch out forLG strongly recommends a new LG sleeve; if you reuse an old one without redirecting its rear louvers, a failure isn't covered. Warranty is 1 year parts and labor from an LG authorized dealer. Replaces the LT1216CER, which LG also rated 11,800 BTU despite the 12,000 name.U1KWT and the recalled U1QWT differ by one letter (K vs Q).
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