Difference between revisions of "Calculate BTU Per Square Foot"
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# Determine the necessary heating or cooling capacity. The capacity of furnaces and air conditioners is given in BTUs per hour. You need to establish the correct number of BTUs per square foot for your house needed to either heat or cool it. The methods differ for heating and cooling and are described below. | # Determine the necessary heating or cooling capacity. The capacity of furnaces and air conditioners is given in BTUs per hour. You need to establish the correct number of BTUs per square foot for your house needed to either heat or cool it. The methods differ for heating and cooling and are described below. | ||
#*Many furnaces and air conditioners will be labeled "BTU," but this is actually shorthand for "BTU per hour" (BTU/h). | #*Many furnaces and air conditioners will be labeled "BTU," but this is actually shorthand for "BTU per hour" (BTU/h). | ||
| − | #* At a bare minimum, you can use a figure of 20 BTUs per hour per square foot and multiply this by the total square footage to be heated or cooled, but this does not take into account climate, the amount of insulation you have, or the way you live. | + | #* At a bare minimum, you can use a figure of 20 BTUs per hour per square foot and multiply this by the total square footage to be heated or cooled, but this does not take into account climate, the amount of insulation you have, or the way you live. |
=== Determining the Correct Cooling Capacity === | === Determining the Correct Cooling Capacity === | ||
