how to get dust out of air ducts
The best way to keep the dust out of the ducts is to keep your system off during construction. Without the return air pulling air into the system, you don't have to worry about the supply side.hut off the central heat and air unit if it is warm enough. Uncovered vents will draw the sanding dust through the duct work, and spread it throughout the entire house. Utilize Available Tools. Attach a drywall vacuum sander to a shop vacuum to eliminate the majority of airborne dust.