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SpecWhynter ARC-1280WX NEX Inverter Dual-Hose Portable ACMidea U 10,000 BTU U-Shaped Window AC (MAW10V1UWT)
PhotoWhynter ARC-1280WX NEX Inverter Dual-Hose Portable ACMidea U 10,000 BTU U-Shaped Window AC (MAW10V1UWT)
Our scoreNot reviewed yetSCORE7.5 / 10
Our takeAn inverter with two separate 7.5 in hoses that route more easily than a hose-in-hose duct, but 10,000 BTU SACC, CEER 12.1 and no heat. We don't link it: the only Amazon offer we found was used.The size step for a primary bedroom or living room of 400-450 sq ft, with the same closed-sash quiet as the 8,000. Too big for a typical bedroom, where it cools fast and leaves the air damp.
TypePortableU-shaped window
Cooling (DOE / SACC)10,000 BTU10,000 BTU
CEER12.115best
InverterYesYes
Heat modeNoneNone
Noise, lowest setting (maker figure)50 dBAn/a
Window width, minn/a22 in
Window width, max82 inbest36 in
Min sash openingn/a13.75 in
Weight55 lbn/a
Warranty1 yr1 yr
ENERGY STARNoYes
Watch out forWarranty is 1 year plus 3 years on the compressor, but service is mail-in, only within the 48 contiguous states, needs an authorized Whynter dealer, and you pay return freight after month two. ARC-1280MX is the black version of the same unit. Whynter's warranty excludes units bought from unauthorized resellers.CPSC recall #25320 (June 2025) covers the 8,000-12,000 BTU V1QWT, AV1QWT, W1QWT and U1QWT Midea U models over mold from pooled water. Read the suffix on the listing and again on the box label. The recalled 10,000 BTU listing (MAW10V1QWT) is still on Amazon; this one is MAW10V1UWT. Owners of earlier U models report a high-pitched inverter whine some people hear and others don't; buy where returns are easy and run it overnight on low fan in week one.
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