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HVAC measure (crossword clue)

3 squares · NYT Crossword · May 24, 2026 · The answer stays hidden until you tap it

This clue appeared in the NYT Crossword on Sunday, May 24, 2026 (73 Across). The answer is hidden below until you want it. Sunday puzzles are large (21 by 21) and themed, about as hard as a Wednesday or Thursday.

Answer length: 3 squares

First letter

B _ _

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About the answer

BTU as a word: (energy) Initialism of British thermal unit. [A unit of energy that is equivalent to the quantity of heat required to raise the temperature of one pound of w....

BTU has been an answer 3 times in the NYT Crossword and Mini since October 28, 2025.

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