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approx 80,000 if your house has average insulation and heat loss.

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Q: How many btu's to heat 2400 square feet?
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How meany btu does it take to heat a 10000 sq ft room?

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


How many square feet does an 80000 BTU furnace heat?

It heats all the square feet in the network of rooms through which it's distributed.How warm it heats them, and how fast, depends on the height of the ceilings, andon the rate of loss of heat through the walls, which in turn depends on the outsidetemperature and the insulation efficiency of the walls.


How many sq feet will a 15000btu heating?

The amount of feet per btu varies according to many factors such as how tall the ceiling is or how many windows there are. In most houses, usually you need about 20 to 22 btu per square foot. So, divide 15000 by these and you get it will heat anywhere from about 680 to 750 square feet.


How many sq ft in a room 13' x 16' room with 13 foot ceiling?

-- Floor and ceiling . . . (13 x 16) = 208 square feet each -- One pair of walls . . . (13 x 13) = 169 square feet each -- The other pair of walls . . . (13 x 16) = 208 square feet each Total = 1,170 square feet. If you need this number for carpet, wallpaper, or paint, then subtract the area of windows, doors, electrical outlets, heat registers, etc.


How many BTUs will it take to change 1 gallon of water at 32 degrees to ice at 32 degrees?

You would need to remove approximately 1200 BTUs of heat to convert a gallon of water to ice. There are 8.34 lb in a gallon of water, which converting to lb-moles is 0.463. The latent heat of crystallization for water is -2583.4 BTU/lb-mole. Multiplying the two together and you get -1197 BTUs, which means you need to remove that amount of heat to convert the gallon of water to ice.