BTU's (British Thermal Units) and two dimensional area are not compatible measurements.
20 btu per square foot
usually 20 btu's per square foot so......12000 btu's should do fine
82285btu.
54408
its usually about 20 btu's per square foot
Will a 40,000 btu furnace be enough to heat my 1375 square foot middle unit town house.
30000 btus for every 400 square ft
30000 btus for every 400 square ft
A 12,000 BTU heater is needed for a 1,400 square foot area. BTU or British Thermal Unit is a unit of measure commonly used for heating and cooling.
BTU`s are measured in cubic feet
Many factors figure in other than square footage. Such as the height of the ceiling and number of windows. But, for most houses, 20 to 22 btu per square foot will do. 40,000 to 45,000 btu should do.
It depends on your enviornment. A 36,000 BTU unit will probably work just fine. 36,000 btu's would heat a 1,000 square foot room. or more.