CustomAir Add-on


Custom Air Software

CustomAir Systems

ASVIC’s CustomAir Duct Systems Module is a comprehensive collection of utilities for drawing SEMCO Inc., CustomAir Duct Systems components including duct, fittings & various accessories.

(Loads local ASVIC page)


  • Straight Duct (Spiral Round & Oval)
  • Offsets, Elbows & Bends
  • Reducers & Transitions

And many more features…

Visit your local ASVIC office for more.


What our users say

"We have proved over time and time again that we are more efficient drawing our 3D pipe systems using Mech-Q than with Autodesk's Inventor..."
Alan Mullin, Cheshire, UK
(Mech-Q user for 10 years)

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Help Desk

FAQ (Coming Soon)