Air-On Custom Sheet Metal established in 2002, and serving in Greater Toronto Area. Doing Custom Sheet Metal (Duct work) for residential and commercial. Custom Sheet Metal fabricates, provides and manufactures HVAC needs. Custom Sheet Metal specializes in custom-made shapes as we provide whatever you desire on time and with competitive prices. Our Company can fabricate any kind of HVAC needs to your specifications. We carry all gauges that you need from 14 gauge to 30 gauge. We do spot welding, and is capable to cut in any form accurately with the size you are in need of as our company uses a cybernation "Plasma Cutter".