For a more speedy response, contact the brand directly or their local Representative or Distributor. Such contact information can be found on any given ASC brand website.


Should you require additional assistance locating your nearest Representative or Distributor, feel free to contact us.

ASC is home to several leading brands of air distribution and indoor air quality products.

About Air System Components, Inc.

Air System Components, Inc. is a market-leading supplier of heating, air conditioning and ventilation system components for commercial, industrial, and residential applications.

Located in Plano, Texas, ASC is home to multiple brands that operate as independent companies. The Titus, Krueger, and Tuttle & Bailey brands have been major market forces selling grilles, registers, diffusers, and terminal units. PennBarry focuses on the manufacture of commercial and industrial fans and blowers as well as kitchen exhaust equipment. The Superior Rex brand focuses on fan coils and related products, while Reliable's strength is in it's unique line of grilles, registers, diffusers, and louvers. Most recently, ASC acquired Trion Indoor Air Quality, which is home to the Trion, Envirco, and Herrmidifier brands as well as Koch Filter that focus on air filtration products. These brands complement the existing lines of air distribution products, with a special focus on clean indoor air quality.

ASC products are available worldwide through a network of independent distributors, wholesalers, and manufacturer representatives for each brand. Such products can be found in all types of industrial facilities, commercial buildings, schools, hospitals, universities and premier residences throughout the world and even on the International Space Station.

As an industry leader, ASC is committed to design and manufacturing excellence. With several manufacturing facilities located across the nation, our capacity to deliver product to match typical construction schedules is unequaled in our industry. Constant investment in new tooling and processes, ongoing employee training and quality programs, and essential involvement in industry research and standards organizations ensures our products provide the value and quality customers expect in the marketplace.