The same near-silent U design, sized for the living room instead of the bedroom.

Midea U+ Smart Inverter Window AC (12,000 BTU, MAW12U1QWT)

Midea

Up to 550 sq ft of inverter-quiet cooling makes this the large-room answer that doesn't sound like one. It's the same U+ story with more muscle — just respect the 59-lb, two-person install and skip anything built before the 2025 drainage fix.

Most 12,000 BTU window units announce themselves. This one doesn't, because the U design hangs the compressor outside the closed sash — TechGearLab's testers found the 12K U-shaped Midea outscored nearly every unit they tested on noise while still dropping their test room over 12 degrees in an hour. That combination — large-room output with bedroom manners — is what you're paying for over a conventional 12K box. The inverter matters even more at this size. A fixed-speed 12,000 BTU compressor cycling on and off in an open living space is both loud and wasteful; the U+ ramps smoothly and holds the room, and Midea rates the design at up to 45% better efficiency than the federal minimum. Wi-Fi, Alexa and Google control carry over from the 8K. Same caveats as its smaller sibling, amplified: at 59 pounds the install is unambiguously a two-person job with a bracket step some window trims fight (Midea's support arms don't clear every ornate exterior sill — measure first). And the 2025 recall applies to this size too, so buy current stock with the redesigned drain plug, not a garage-sale original.

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Last reviewed Jul 5, 2026

What we like

• ✓Large-room cooling at noise levels conventional 12K units can't touch
• ✓Inverter holds an open living space steady instead of blasting and stalling
• ✓Window stays usable after installation
• ✓Post-recall drainage redesign ships standard on new units

Trade-offs

• −59 lb and a bracket install — genuinely a two-person job
• −Support arms don't clear every exterior window trim; measure before ordering
• −Costs roughly $150 more than the 8K — wasted money if your room is under 350 sq ft
• −Same 2025 recall lineage; avoid old stock and used units