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High Efficiency Air Distribution

Thermaduct™ offers a family of air distribution products designed to increase the efficiency of not only the application itself, but of those installing the duct systems. All of our duct systems are pre-insulated and require no additional insulation wrap.

High R-Values

Low thermal transfer keeps conditioned air at the desired temperatures

Low Air Leakage

Virtually airtight connections deliver more of the conditioned air to their destination

Easy to Install

Lightweight Systems designed to increase efficiency on the jobsite. Do more with less!

Fewer Call Backs

Worry less as Thermaduct products are backed by a 10 year limited warranty

Thermaduct - Outdoor Rectangular Ductwork

Thermaduct Rooftop Duct

Thermaduct Outdoor Rectangular Ductwork

Exterior Rooftop Duct

Duct, Insulation, and Cladding All In One

Thermaduct is our patented rectangular exterior ducting solution that offers high R-values and low air leakage. It provides the duct, the insulation and cladding all in one high performance product. Thermaduct is available in insulated values between R-8 and R-24 and offers extremely low air leakage. All these benefits are protected by a strong, UV stable 1000 micron vinyl cladding and built to meet or exceed the SMACNA Phenolic Duct Construction Standards.

  • R8 Through R24
  • 1000 Micron, UV Stable Vinyl Cladding
  • Closed Cell Insulation
  • Near Zero Air Leakage
  • 10 Year Limited Warranty

Thermaduct Videos:

Ductwork Designed for the Elements

Thermaduct has a long history of success in solving headaches associated with rooftop ductwork. For more information on how you can use this system in your installation, please visit our dedicated page.

Thermaround - Outdoor Round Ductwork

Preinsulated outdoor ductwork thermaround

Thermaduct Thermaround Outdoor Ductwork

Pre-Insulated Exterior Rooftop Ductwork

Duct, Insulation, and Cladding All In One

Thermaround is our patented round solution for exterior applications. This high R-value system offers an R-12 solution with extremely low air leakage. Thermaround uses the same UV stable 1000 micron vinyl cladding for a durable solution that will naturally shed water. In the interior, air passes over a smooth aluminum surface free from loose fibers to give your building better IAQ performance.

  • R12 Insulated Value
  • Naturally Sheds Water
  • 1000 Micron, UV Stable Vinyl Cladding
  • Closed Cell Insulation
  • Near Zero Air Leakage
  • 10 Year Limited Warranty

Thermaround Videos:

High Efficiency Round Exterior Ductwork

The quality of Thermaduct pre-insulated ductwork with the added efficiency of round ductwork. For more Information on Thermaround, please visit our dedicated page.

InspiralR & Floval - Indoor Round & Flat Oval Ductwork

InspiralR and Floval Lightweight Ductwork

InspiralR Floval Preinsulated Round and Flat Oval

Insulated Double Wall Ductwork Alternative

Lightweight Pre-Insulated Ductwork

InspiralR and Floval are our patent pending indoor round and flat oval solutions that are UL 181 Listed for 10” w.c. positive and 8” w.c. negative applications. InspiralR and Floval are lightweight systems and can offer up to a 75% weight savings versus traditional double wall spiral duct. This ultra low air leakage system also provides an R-6 insulated value. Tight on ceiling space? Floval is your solution as there’s no need to insulate separately!

  • UL 181 Listed Round Duct System
  • Near Zero Air Leakage
  • Pre-Insulated R-6 Installed Value
  • Up to 75% Ligher than Doublewall
  • 10 Year Limited Warranty

InspiralR and Floval Videos

High Efficiency Indoor Products

For more Information on how InspiralR and Floval can help your next application have high efficiency air distribution, please visit our dedicated page.

Additional Information

Pre-Insulated Phenolic Ductwork Applications

All of our duct systems employ a smooth aluminum Kingspan KoolDuct interior for a high quality, fiber free insulation. Because of this, Thermaduct, Thermaround, InspiralR, and Floval are great for almost any application.

Hospitals and Healthcare Environments

Schools and Universities

Hotels and Multifamily Structures

Commercial and Industrial Applications

Pools and Natatoriums

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Find A Representative

We work with a fantastic group of representatives all over the country. Find your the local Thermaduct representative in your area here.