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

... since I started to use Mech-Q Piping software there has been a big increase in my output. I had found Mech-Q Piping is very easy to use and is a great product.
John Beavis, New Zealand

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