Units rated in BTUs WSJ Crossword Clue
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The most common and recent 3-letter answer for "Units rated in BTUs" is ACS.
The clue refers to devices that are often rated in British Thermal Units (BTUs), which measure energy output. Air conditioning systems (ACs) are commonly evaluated using this unit to determine their cooling capacity.
This clue was last seen in the WSJ Crossword on January 27, 2026.
ACS are systems that cool indoor spaces by removing heat and moisture from the air.
Cooling units, in brief, Some summer purchases, informally, Bldg. coolers, Coolers, for short, Summer coolers, for short
The clue “Units rated in BTUs” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated January 27 2026, the definitive 3-letter answer is: ACS.
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