HVAC Friction Loss Calculator for Ductwork

Airflow (CFM) *

Duct Shape *

Round

Rectangular

Round Duct Diameter (in)

Rectangular Duct Width (in)

Rectangular Duct Height (in)

Straight Duct Length (ft) *

Equivalent Fitting Length (ft) *

Duct Material *

Smooth Steel

Galvanized Steel

Flex Duct

Fiberglass Lined

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How to use HVAC Friction Loss Calculator for Ductwork

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Step 3

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