Thermaflex is the global leader in the flexible duct product industry for both commercial and residential HVAC applications.

Thermaflex provides the most innovative flexible duct accessories for Residential and Commercial HVAC.

Flex-Vent offers a complete line of high-quality, value-priced duct products featuring a 10-year warranty value priced for Residential HVAC.

With Thermaflex® ducting products, you can have both. Thermaflex provides a broad array of products and accessories that are engineered to help you get in and out of the job faster, providing your customer with the best quality products available.

The M-KC EverClean Flexible Air Duct offers a comprehensive solution to your HVAC duct needs. The woven fiberglass core is the most durable.

Thermaflex is literally at your fingertips with this convenient and easy-to-use application for iPhone and Android. This app allows HVAC installers to determine the smallest size Thermaflex duct recommended for the installation at hand, based on the project’s specific volume and friction loss.

Acoustical Flexible Air Duct The M-KE Acoustical Duct offers exceptional sound control. Its acoustically rated chlorinated polyethylene (CPE) core allows sound energy transmission through the core and insulation, and into the plenum space. A highly efficient, self-extinguishing duct, the M-KE is suitable for use in all pressure heating and cooling systems. M-KE Specs

Insulated Duct-strong polyester film laminated, encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core & supports a thick blanket of fiberglass insulation.

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Thermaflex®’s Pro Series flexible duct products are the most reliable and durable products in the commercial HVAC industry. All products feature a full 10 Year Pro Warranty, the best in the industry.