Our Projects

Sheet Metal Connectors, Inc. was proud to fabricate the ductwork for the new Medical Biosciences Building at the University of Minnesota.

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SMC supplied rectangular ductwork as well as E-Z Flange spiral pipe and fittings to outfit the new University of Minnesota-Duluth AMSOIL Arena with a first class duct system.

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Welcome to Sheet Metal Connectors, Inc.

Fabrication that Performs


A Leader in Commercial HVAC Systems

SMC is a leading provider of high-efficiency commercial HVAC systems manufactured from sheet metal and fabricated into spiral pipe, rectangular duct, oval duct and many other HVAC related products. In addition to our galvanized sheet metal products we also have a full line of Polyvinyl Coated (PVC) underground and fume exhaust systems, Aluminum, Stainless Steel, Double wall, Paint Grip and G-90 Galvanized.


Innovative HVAC Systems

Sheet Metal Connectors, Inc. leads the HVAC industry in innovation and holds many patents. With time saving products such as our E-Z RailĀ® Turning Vane Rail, E-Z Flange Connections, E-Z Tap Collars, our High Efficiency Takeoff or Super Heto and Complete Seal Duct System. Our advanced ductwork and spiral pipe systems are used for heating, cooling, exhaust and dust collection solutions. Commercial, Industrial, and Institutional ductwork systems are just some of the applications where SMC products excel.


Quality HVAC Products

We manufacture and fabricate high-efficiency HVAC systems designed to last, conserve energy and outperform the competition. All of our products are proudly made in the USA with domestic steel. Check out our complete line of HVAC Products. Our complete line of easy-to-install HVAC products can be used indoors, outdoors and even underground. We specialize in supplying and manufacturing ductwork and accessories for a wide variety of contractors and suppliers. They have come to know our quality workmanship, competitive pricing and exceptional customer service


Over 40 Years in the HVAC Industry

Sheet Metal Connectors, Inc. was founded in 1969, in Minneapolis, Minnesota. With over 40 years or experience in manufacturing and custom fabrication of industrial sheet metal products for the commercial HVAC industry. We pride ourselves on being a union shop and stand behind our products that are all made in Minnesota and Illinois.

Our Guarantee

Competitive Pricing
Quality Workmanship
Customer Service
Reliable Products