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SpecWindmill 10,000 BTU WhisperTech Window AC (10W2Wi)Midea U 10,000 BTU (MAW10U1KWT)
PhotoWindmill 10,000 BTU WhisperTech Window AC (10W2Wi)Midea U 10,000 BTU (MAW10U1KWT)
Our scoreSCORE5.7 / 10SCORE7.5 / 10
Our takeAn inverter box unit at CEER 15 that weighs 63 lb against GE's 80, for rooms near 450 sq ft. Check your opening height; Windmill needs 14 in.The 2026 10,000 BTU U at CEER 16, ENERGY STAR Most Efficient and not recalled. Little owner history yet.
TypeWindowU-shaped window
Cooling (DOE / SACC)10,000 BTU10,000 BTU
CEER1516best
InverterYesYes
Heat modeNoneNone
Noise, lowest setting (maker figure)42 dBAn/a
Window width, min23 inn/a
Window width, max37 inn/a
Min sash opening14 inn/a
Weight63 lbn/a
Warranty1 yrn/a
ENERGY STARYesYes
Watch out forWindmill's warranty is one year on every size, with no longer compressor term, and owners report control-board and stop-cooling failures. Windmill sells a non-inverter Original and a budget Lite line under the same name; confirm the model number on the box.U1KWT and the recalled U1QWT differ by one letter (K vs Q).
MoreModel detailsOur full reviewView on Amazon →Model detailsOur full review