Step 1: Watch an Overview Video

Step 2: Seal Off Work Areas

Sealing off work areas will help keep particles out of the rest of the home. A high air-flow HVAC filter installed in the air return before the project will help trap large particles in the air. Remove work clothing before entering living areas of home. For scraping or sanding, wear a particulate respirator.

Assume that paint in a home built before 1978 contains lead; never expose family members, especially children to lead-based paint dust. Hire a professional to test your paint for lead. Use low-VOC paints to help reduce paint odors and seal paint cans tightly after use. For painting, a carbon layer respirator is recommended.

Step 3: Remove Particles From the Air

A large window fan blowing out can help remove other particles and gases. Ventilation should continue for 72 hours after the project is completed. At that point, dust and debris can be cleaned out of ductwork. If you want your ductwork cleaned entirely, hire a professional.

Step 4: Clean Out the Ductwork

Brushes and rags can be used to wipe the walls of the duct and a vacuum can reach into the interior. Use a brush attachment when vacuuming ducts and be careful not to damage the duct walls with the vacuum suction. Finally, installing a new, higher performing HVAC filter will help make your air cleaner.