CINFAB was established in 1981 to fill a need for a high quality and competitively priced commercial HVAC sheet metal contrac ... tor. Over the years, CINFAB has grown to house a 30,000 square-foot full-service fabrication shop, and our capabilities have expanded to meet the specific design, fabrication and installation needs of our customers. Our excellent reputation is grounded in the exceptional talent of our design, manufacturing and installation staff and backed by more than 30 years of experience. Contact CINFAB –– Your partner for design, fabrication and installation of HVAC sheet metal systems read more