Premium Sheet Metal Products
SMC is a leading provider and fabricator of custom high-efficiency commercial HVAC sheet metal systems and connectors, specializing in sheet metal ducts and pipes, and polyvinyl duct (PVS) exhaust systems.
We’re constantly working to improve our products and processes, leading the HVAC industry in innovation as fabricators of time-saving, energy-efficient, advanced ductwork systems.
Founded in 1969, we’re proud of being a union shop and stand behind our made-in-the-USA products. We offer the latest innovations in HVAC sheet metal products – all at competitive prices.
Versatile HVAC Sheet Metal Products
Whether you’re looking for spiral pipe and duct fittings, rectangular, flat oval, polyvinyl products, or dampers and louvers, SMC is a supplier of all the high-quality HVAC sheet metal products and accessories you need. With materials such as galvanized, G-90 galvanized, paint grip, aluminum, stainless steel 304 and 316, and PVS, our products are some of the most versatile and durable on the market.View All Products
Who We Are
For over 50 years Sheet Metal Connectors, Inc. has fabricated premium quality standard and custom commercial and industrial HVAC sheet metal products. Our innovative ductwork, spiral pipe, fittings, doublewall duct, square duct, dieform elbows, and more are made in our USA factories in Minneapolis, Minnesota, and Rockford, Illinois. SMC is proud to manufacture quality HVAC sheet metal connectors and ductwork systems at a competitive price and with top-tier customer service.Learn More About Us
We Want To Hear From You
We have technical and customer support available between 7 a.m. and 4:30 p.m. central by phone, email or text. If you have questions about SMC and our products, we’d love to hear from you.