HVAC Spiral Ductwork 

ZEN Industries' complete line of spiral duct and fittings.

18 Gauge Stainless Steel Welded PipeAll of ZEN Industries' spiral duct and fittings meet or exceed 3rd Edition 2005 SMACNA standards.

Spiral HVAC Products available include:

  • Round Spiral Duct
  • Double Wall Spiral Duct
  • Flat Oval Spiral Duct

For years, spiral duct has been taking center stage as the HVAC ductwork of choice for contractors nationwide.  Spiral duct is light weight, reducing both manufacturing costs and the costs of installation.  In use, spiral duct is strong, efficient in reducing leaks, and resistant to mold.

Specialty Metals available for Spiral and Rectangular Ductwork

  • Galvanized G-90
  • Stainless Steel
  • Aluminum
  • PCD Polyvinyl Coated
  • Galvanneal (paint grip)
  • Available in gauges 16 through 26

Spiral duct is not only practical, it's architectural appeal enhances the look of many buildings in which it is used.

To learn more, please Contact ZEN Industries, Inc. today. 

  • Spiral duct costs less than traditional rectangular duct
  • Spiral duct reduces HVAC system noise and cuts air leakage
  • Spiral duct simplifies air flow measurement

A Full Service HVAC Supplier

In addition to Spiral Ductwork, learn about ZEN's Double Wall Spiral, Rectangular Ductwork, PCD Ductwork, and Specialty Ductwork

Service Area

ZEN Industries Inc. provides quality HVAC ductwork products, including rectangular and spiral duct to contractors nationwide. Located in Cleveland, Ohio, ZEN's Lean manufacturing and robust production have built a broad customer base across the US.

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