In general, the larger the room, the higher the BTU rating your unit will need. A mini-split can have a rating of as low as 6,000 BTUs to as high as 56,000 BTU.Sep 14, 2020
How many square feet will a 24000 BTU Mini Split cool?
Area Size BTU
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400 to 650 sq. ft. 12,000
500 to 800 sq. ft. 15,000
600 to 1000 sq. ft. 18,000
800 to 1,300 sq. ft. 24,000