ABOUT PACIFIC DUCT INC.

Pacific Duct Inc. is Southern California’s trusted manufacturer and supplier of high-quality HVAC ductwork, spiral pipe, fittings, and custom sheet metal fabrication. Located in Montclair, California, we have proudly served the HVAC industry since 1996, supporting mechanical contractors, builders, and HVAC professionals across Los Angeles County, San Bernardino County, and Orange County.

As a full-service sheet metal shop, Pacific Duct specializes in producing spiral ducts, rectangular ducts, round fittings, and custom metal components that meet SMACNA and industry standards. Every product is fabricated with precision, reliability, and efficiency to ensure the best air distribution performance for commercial, industrial, residential, and institutional HVAC projects.

Our comprehensive HVAC supply inventory includes pre-fabricated spiral pipes, fittings, sheet metal accessories, and installation tools—making us your one-stop shop for all HVAC ductwork materials. Whether you need standard duct sizes or custom sheet metal fabrication, our experienced team delivers high-quality products on time and to your exact specifications.

At Pacific Duct Inc., we’re committed to helping contractors streamline their projects with dependable manufacturing, excellent customer service, and decades of industry expertise. We take pride in being a local HVAC manufacturing partner you can trust.