Thanks for your interest - We'd love to chat with you more about phenolic ductwork
We appreciate your time and interest in our pre-insulated ducting products! We would love the opportunity to have more time to speak with you about how we can simplify what you're doing on your projects...we've been doing that for two decades now! Our goal is to make your next project a lower carbon, efficient application combining energy saving performance and architectural appeal.

Our rectangular and round systems offer robust pre-insulated options for both indoor and outdoor applications, eliminating the need for separate insulation. Each system is made of lightweight, durable materials that enhance thermal efficiency and ease of installation, ensuring low air leakage, superior weather resistance, and aesthetic versatility. Whether you require duct systems for new construction or retrofit projects, Thermaduct's products are designed to meet the highest industry standards for commercial HVAC systems.
Now is the time to Utilize Lightweight Efficiency of Thermaduct Systems on Your Next Application

Thermaduct’s insulated alternative solutions for rectangular and round ductwork are engineered to meet the specific needs of commercial HVAC systems, offering superior thermal performance, ease of installation, and architectural flexibility. Whether you’re designing for indoor or outdoor applications, our InspiralR, Thermaround, and Thermaround Architectural systems deliver cutting-edge, insulated solutions to optimize air distribution, reduce energy loss, and provide long-lasting durability.
For more information on our family of round or rectangular products, talk to your Local Thermaduct Representative or Contact Us below to get more information for your next spiral duct project!
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Phenolic is a high performing alternative duct material that helps HVAC Contractors increase the thermal and duct leakage efficiency of their systems. Whether you're looking for indoor or outdoor solutions, learn more about how phenolic systems can benefit your application!
Low air leakage, IAQ duct solutions increase the energy efficiency and health of your building. Thermaduct is here to help. Our indoor products are lightweight solutions that reduce installation weight by over 70%.