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.
central air conditioning system has a q
( z1 have :ARG0 ( z2 system :mod ( z3 air-conditioning :mod ( z4 central ) ) ) :ARG1 ( z5 string-entity :value "q" ) )