Founded in 1928 as a sales organization focused on HVAC contractors in Southern California, Pottorff's shift to manufacturing ... in 1971 remains anchored by a desire to deliver quality products, on time, at competitive prices. Shipping from two factories, our dependable service is backed by an industry leading 5-year product warranty, exceptional Quick-Ship capabilities and an experienced staff and versatile product line. We adhere and exceed the most stringent codes set forth by industry organizations and enjoy a strong partnership with the Sheet Metal Workers International Union. With our acquisition of the Dynasonics brand, we now not only offer a full line of louvers and dampers, but also a full line of noise control products. Air Control and Backdraft Dampers UL Rated Fire, Smoke and Ceiling Radiation Dampers Steel and Extruded Aluminum Louvers and Penthouses Actuators and Accessories Silencers Sound Panels Enclosures We sell our products from two manufacturing facilities through local representatives and are committed to helping our clients succeed by offering product training at our corporate office in Fort Worth, Texas. In order to streamline our product development efforts, Pottorff features in-house testing with our state-of-the-art Acoustic, Louver and Elevated Temperature laboratories. These labs guarantee precision and performance and allow Pottorff to quickly respond to new industry requirements. read more