Leakage from supply air ducts, when the ductwork is installed completely outside the conditioned space,
a. Adds load to the calculated sensible heat requirements of the conditioned space
b. Adds load to the calculated specific latent heat load
c. Must be subtracted from the return air duct leakage
d. Must be added to the return air duct leakage
e. Need not be considered in a heat loss calculation
Answer: A