If you can answer "yes" to any of these questions, it usually
suggests that your air ducts should be inspected for possible
- Do you have "dust trails" or discoloration coming out of your
air duct registers?
- Do you experience headaches, nausea, burning sensations in
the nose, throat or eyes when inside the home?
- Do you regularly clean excess dust accumulations from your
- Does anyone in your house suffer from allergies, asthma, or
- Do you have pets?
- Are there smokers in the home?
- When you last changed your furnace filter, did you see dust
and dirt inside the filter housing?
- Do you notice a dark area or discoloration at the edges of
your carpet by the base molding?