"People don't realize what kind of impact it's having." This Bill Gates-backed startup fixes leaking ductwork with 'chewing ...

Choosing the Right Materials. One easily overlooked step in the HVAC duct fabrication process is material selection. This may seem a relatively straightforward consideration, but different materials ...

New non-steel ductwork materials are entering the market that can deliver a step change in indoor air quality as well as delivering reductions in running costs and emissions. One such material is ...

The Old Guard: Traditional Ductwork Materials. Historically, ductwork has been constructed from materials like galvanized steel and rigid fiberglass. While these materials have served their purpose, ...

Ductwork sometimes can become both the source and the pathway for dirt, ... slime, mold, debris, and other materials found in ductwork and other HVAC components (e.g., cooling coil, drain pan). News.