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Correct, you need to use TSP in E+. ESP is only the static pressure for ducts and fitting. To get TSP you just add filter, coils and other devises. I think 0.5" w.c. is a reasonable early design phase assumption for coils. TABLE 6.5.3.1.1B of 90-2010 provides typical pressure drops for other devices.

Correct, you need to use TSP in E+. ESP is only the static pressure for ducts and fitting. To get TSP you just add filter, coils and other devises. I think 0.5" w.c. is a reasonable early design phase assumption for coils. TABLE 6.5.3.1.1B of 90-2010 90.1-2010 provides typical pressure drops for other devices.