Display the commands dialog box.
Command: hvactz
Button: (
)
This command displays the configuration dialog box which allows you to create professional Hvac CAD drawings.
Using this tool provided in trazar, you can easily to create duct layouts, branch taps, branches, diffusers, grilles, fans, or extractors.

Trazar
Rectangular Duct
Round Duct
Flat Oval Duct
Flexible Duct
Elbow
Transition
Branch
Duct Sizer
AHU
Trazar Interface