How to calculate btu per square foot<br>Measure your square footage. Measure the square footage of each room you plan to heat or cool and add them together. If you're installing a furnace or central air conditioning system, this typically includes every room.
BTU calculation is for losers
surprised by this one, the system was confused by the sentence
( z1 calculate :ARG1 ( z2 thing :name ( z3 name :op "BTU" ) ) :beneficiary ( z4 person :ARG0-of ( z5 lose ) ) )