Standard practice holds that it takes 5000 BTUs to heat a room 100 to 150 sq ft Figure on adding another 1000 BTUs for every 50 or so sq ft added. Hence , 400 to 450 sq ft would need about 10,000 BTUs
20x20 = 400 2x4= 8 400/8= 50 needed
12000 btu = 1 ton 1 ton per 400 sq ft 1200 / 400 = 3 3 times 12000 = 36000 btu
20 times 20 is 400.
There are 400/80 = 5 of them.
A 1 ton air conditioner can cool about 400-500 square feet of living space. The cooling capacity is measured in British Thermal Units (BTUs), not cubic feet (CF).
30000 btus for every 400 square ft
30000 btus for every 400 square ft
For a 600 square foot room, you would typically need around 18,000 BTUs of cooling capacity to effectively cool the space. This estimate is based on the general guideline of 30 BTUs per square foot for cooling larger rooms.
Standard practice holds that it takes 5000 BTUs to heat a room 100 to 150 sq ft Figure on adding another 1000 BTUs for every 50 or so sq ft added. Hence , 400 to 450 sq ft would need about 10,000 BTUs
To cool this areaLook for this size air conditioner100 to 150 square feet5,000 BTUs150 to 250 square feet6,000 BTUs250 to 300 square feet7,000 BTUs300 to 350 square feet8,000 BTUs350 to 400 square feet9,000 BTUs400 to 450 square feet10,000 BTUs450 to 550 square feet12,000 BTUs550 to 700 square feet14,000 BTUs700 to 1,000 square feet18,000 BTUs1,000 to 1 400 square feet24,000 BTUs
400 to 450
It will take 300000 btus at 12000 a ton and a ton of air will be 400 sq feet so. 10000 sq ft divided by 400 is 25 tons of air then multiply 25 times 12000 btus and you get 300000
around 400 SF, not ft
There are 25.4 millimetres in an inch. You need to divide 400 by 25.4. 400/25.4 is 15.748 inches.
400
A wise guy would say "the difference is 2,000 btus" , but I'm not a wise guy. If you're looking at window units, the answer is "there's not really much difference". 12,000 btus equals one ton of cooling capacity and according to an old rule of thumb will cool approximately 400 to 600 square feet of area, depending on your geographical area, insulation, type of windows, air infiltration, etc. If you have a large area to cool and it's an older structure, you might want to consider using the mini-split sytems on the market today.