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Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more.
Calculate velocities in circular and rectangular ducts - imperial and SI-units - online calculator.
Ductwork air leakage classes.
Recommended distance between ductwork support hangers.
Calculate pressure loss - or head loss - in ducts, pipes or tubes.
Rectangular equivalent diameter for air flows between 100 - 50000 cfm.
Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!
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