Compare tool

Compare models side by side

Pick two to four models. The best figure in each row is marked, and every number comes from the maker, NEEP or ENERGY STAR. Copy the URL to share a comparison.

All mini-splits & heat pumps ranked →All dehumidifiers ranked →All window, wall & room units ranked →All heating ranked →All parts, tools & supplies ranked →

SpecMidea U 10,000 BTU (MAW10U1KWT)Windmill 10,000 BTU WhisperTech Window AC (10W2Wi)
PhotoMidea U 10,000 BTU (MAW10U1KWT)Windmill 10,000 BTU WhisperTech Window AC (10W2Wi)
Our scoreSCORE7.5 / 10SCORE5.7 / 10
Our takeThe 2026 10,000 BTU U at CEER 16, ENERGY STAR Most Efficient and not recalled. Little owner history yet.An 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.
TypeU-shaped windowWindow
Cooling (DOE / SACC)10,000 BTU10,000 BTU
CEER16best15
InverterYesYes
Heat modeNoneNone
Noise, lowest setting (maker figure)n/a42 dBA
Window width, minn/a23 in
Window width, maxn/a37 in
Min sash openingn/a14 in
Weightn/a63 lb
Warrantyn/a1 yr
ENERGY STARYesYes
Watch out forU1KWT and the recalled U1QWT differ by one letter (K vs Q).Windmill'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.
More