trade association for flexible duct manufacturers and suppliers in North America.

providing spiral pipe, flex hose, blast gate, elbows, angle iron rings for heating ventilation, ac, fume systems, and dust collection.

designs and manufactures spiral, round, and flat oval HVAC products.

providing filament wound, fire, and corrosion resistant fiberglass reinforced plastic (FRP) duct systems.

Fans/Blowers

duct connections, access doors, duct hangers, reinforcement angles, turning vanes, rails and duct sealants.

flexible ducts in aluminium, co-polymer, stainless and galvanized steel.

manufacturer of Curvent ventilators and louvres.

offers self contained Twist-Pin, which allows for smooth rotation of the blade within the frame of the damper.

supply quality flexible duct hoses for HVAC of buildings, industries and subway tunnels etc. - peculiar to superb flexibility, light weight, easy installation and low costs

Lindab makes SPIROsafe,the self-sealing round ventilation duct system

specializes in manufacturing heating and ventilation ducting equipment.

patent pending solution to creating flat oval-shaped ductwork for the HVAC industry.

maker of Metalflex flexible metal air ducts.

designing and manufacturing commercial industrial HVAC and sheet metal installations.

manufactures ductwork flange systems and accessories.

Manufacturers of Activair polythene ducting. The simplest, most economical method for distributing warm and cool air.