The Air Distribution Institute (ADI) was formed in 1947 to promote the use of fabricated steel duct pipe and fitting for air distribution systems.  ADI's members include both Manufacturing companies who fabricate steel duct pipe and fittings for both residential and commercial use and Associate companies who provide materials and services to these manufacturers.  

What is the Cost of A Healthy Home? 

Watch and learn about the Benefits of Using Steel Duct in Construction!