Frequently Asked Questions

What is Thermaduct?

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

Why should I use Thermaduct over traditional Sheet Metal Ductwork?

Thermaduct is the only engineered high R-value, low air leakage outdoor duct solution that offers high efficiency air distribution. Because it is pre-manufactured, your customer is assured the highest performance and energy savings available.

What insulation R value can I reach with Thermaduct?

Thermaduct is available in a variety of thicknesses that supply R-8 through R-24 insulation value.

How are Thermaduct installations different than traditional sheet metal?

Thermaduct has a fiber free insulation core for increased indoor air quality. Air passes through a smooth aluminum interior, free from fibers that are found in duct liner. Thermaduct also has a 1000 Micron cladding for exceptional durability, water integrity and UV stability.

How much does Thermaduct cost?

While cost vary job to job, Thermaduct offers a premium product at a cost that rivals sheet metal, insulation and cladding.

Where can I buy Thermaduct?

We have a network of partners in all major market areas across the United States locate your rep here. If you do not see one in your area, please contact Thermaduct at 855-809-6903.

Is Thermaduct able to handle snow load?

Snow load calculations for each region across the country are considered in the design of the duct systems. Many sheet metal installations are not well insulated and do not incur snow loads because of escaping heat.

Will Thermaduct meet the SMACNA Phenolic Duct Construction Standard?

Thermaduct will comply with the Phenolic Duct Construction Standards which are internationally recognized by the leading authority in HVAC construction, SMACNA.

Can Thermaduct be used in interior applications?

Thermaduct is designed to withstand the outdoor elements with unmatched quality and durability. Contact us for recommendations of products to use for indoor applications.

Why is standard Thermaduct white?

To comply with the Cool Roof Initiative. At peak temperatures a white roof is 20 degrees cooler than a roof with an aluminum coating, and 30 degrees cooler than a dark roof. Read more >

Are there other colors available?

Select factory applied colors are available.

What type of foam is Thermaduct using?

Thermaduct uses a KoolDuct core, which is certified to be greater than 90% closed cell content. This means a low potential for water intrusion and mold and the highest R-value per inch.

How are the seams of Thermaduct made?

While other manufacturers use tape and adhesives, which experience degradation over time, Thermaduct uses a patented heat or chemical welded seam to ensure impervious water and air integrity.

Where is Thermaduct manufactured?

Near Toledo, Ohio in Perrysburg.

How do I get trained to install Thermaduct?

Because Thermaduct is an engineered, pre-manufactured product; detail drawings are provided prior to manufacture, no additional training is required for installation.

How does Thermaduct perform in warmer climates? Cooler Climates?

Thermaduct has a UV stable, 1000 micron vinyl cladding and is designed to handle any climate.

What static pressures can Thermaduct handle?

Basic Thermaduct designs can handle 6” wg with engineered systems achieving a possible 12”* wg. (Systems over 6” wg are factory tested).

Does Thermaduct make a great beer cooler?

At 4x the R-value of the typical cooler, you’ll find none better!