One Small room "144 Sq ft"
sorry
12 ft X 12 ft = 144 sq ft
At least 8000 btu
If it's a 12'X12' room then it's 144 sq. ft.
A 13 x 13 tile is 1.74 sq ft. 144/1.74 = 123 tiles
About 18000 BTUH. Rule of thumb is 400 sq ft / ton, 1 ton = 12000 BTUH.
144 sq ft
A room 12ft by 12 ft would be 144 square feet.
650 square feet
144 sq ft
usually around 400sq. ft room give or take