The general rule is 600 sq.ft. per ton of refrigeration, so an 18000 BTU A/C will cool approx. 900 sq.ft. . There are many variables, such as insulation R value, normal summer climate in your area, age of the structure, etc., so this is just a guide. To know for sure, have a heat load calculation done.
Do you mean a real square with the side length of 20 feet? Then 20 feet times 20 feet is 400 square feet.
The square feet is a unit of area, not a unit for mass !!
One square yard equals 9 square feet, so 35 and 5/9ths sq. yds. would equal 320 sq. ft.
A section of land is one square mile. A mile is 5,280. Multiply 5,280 by 5,280 and you will have the number of square feet in a section of land.
In terms of square footage, 15 acres of land = 653,400 square feet.
Roughly 320-350 square feet.
600 square feet.
18000 square feet are 0.4132231 acres.
Yes, a 4.5 ton air conditioner would be the minimum size for 2000 square feet.
NO
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Yes
18,000 square feet is 2,000 square yards.
1500 sq ft.
300 square feet, or about 15 x 20 feet.
18,000 square feet = 1,672.25 square meters (rounded)