• Your Source for Lindab Products

    Lindab Safe® ductwork products are manufactured to strict published tolerances.
    The double-lipped self-sealing gasketed connection meets SMACNA Leakage Class 3 performance and is available in diameters up to 60".
    Lindab Safe is offered in both single and double wall construction.

    Read More About Lindab Safe
  • Industrial Construction

    Not all projects are created the same. We understand this and employ an educated staff of trained welders
    who can build ductwork to suit your project's special demands. From fully welded and manifolded pieces to
    dust collection systems, Linx provides only the finest HVAC duct systems.

    Read More on Our Capabilities
  • Representative Services

    Linx Industries provides world class service for authorized representatives. We understand your position
    and have developed a number of solutions for your and your customer. You can count on us to provide in-house Estimating Services, Project Management,
    Installation Drawings, Quick Ship, Online Submittals, Special Packaging/Racking, and Product Training. Firms interested in becoming a Linx Representative can contact marketing@li-hvac.com.
    Are you a contractor looking for the rep nearest you? Check out our "Where to buy" feature or click below.

    Find A Rep

HVAC Ductwork and Air Distribution Products Provider
Serving North America for over 20 years

Linx Industries, a division of DMI Companies, is North America’s leading manufacturer of HVAC ductwork. Previously referred to as Lindab USA, Linx is America’s single source for Lindab products. Linx operates from its manufacturing hub in Portsmouth, Virginia and employs over 100 union and support staff. Linx Industries provides the construction market with residential, commercial, and industrial air distribution solutions. Discover how Linx Industries’ sheet metal products can save valuable time and money. From ductwork installation to ownership, count on our well manufactured products. Sold through a network of trusted manufacturer representatives in the United States and Canada, you can find the nearest Linx rep by using the “Where-to-buy” feature.
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Featured Product Lines:


Single Wall Round
Linx offers the market an expanded catalog of spiral round sheet metal HVAC ductwork combinations. Click here for uninsulated systems.


Air Distribution
Find registers, louvers and Ventiduct to fit your spiral system. Also chilled beams here.


Double Wall Round
Linx Double Wall (insulated) duct systems featuring Lindab Safe self-sealing gasket. Can be supplied as nongasketed as well.


Industrial Ductwork
Give us your design and specifications, we will do the rest. We have unlimited construction capabilities.


Flat Oval
For those constrained spaces where spiral round ductwork just won’t do, try our Linx Flat Oval duct systems.


Factory supplied coated ductwork for aesthetics and for corrosion resistance.

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Contact Info

2600 Airline Boulevard, Portsmouth, VA 23701

Telephone: (800) 797-7476

E-mail Sales Support