Thermaduct is a pre-engineered duct system that incorporates the duct, insulation, and cladding all in one high-performance product.

The duct system is available in a variety of thicknesses that supply R-8 through R-24 insulation value. While other manufacturers use tapes, adhesives, and screws, which experience degradation over time, Thermaduct uses a patented heat or chemical welded seam to ensure impervious water and air integrity.



Thermaduct offers industry solutions to outdoor ductwork that exceed the ASHRAE and ICC Energy Codes present today and those 10 years from now. Their outdoor ductwork is available in the following insulation values.

  • R-8.1 (1x 1 3/16" Panel)
  • R-12 (1 x 1 3/4" Panel)
  • R-14.1 (1 x 1 3/16" Panel, 1 x 7/8" Panel)
  • R-16.2 (2 x 1 3/16" Panel)
  • R-20 (1 x 1 3/4" Panel, 1 x 1 3/16" Panel)
  • R-24 (2 x 1 3/4 Panel)

News & Updates

Thermaduct Introduces Thermaround

By Air Control Products | March 7, 2018 | Comments Off on Thermaduct Introduces Thermaround

  With successful installations of rectangular Thermaduct on projects ranging from hospitals to libraries to churches, Air Control Products is excited to announce Thermaround. This industry innovation carries all the same characteristics as the original Thermaduct product, offering a 10-year warranty, titanium-infused vinyl cladding, air-tight delivery, high-pressure capacity (10” w.c.), and all in a system…