The Environmental Protection Agency estimates that the air inside your home can be two to five times more polluted than the air we breathe outside.  While we talk frequently about how changing the air filters in your HVAC system can improve air quality, so too can making sure your ductwork is clean.

Here are some of the benefits of having your ducts cleaned.

The National Air Duct Cleaners Association recommends you have your ducts cleaned every three to five years.  A proper cleaning should include cleaning:

The cleaning should also include fogging a disinfectant through the system to eliminate any remaining mold, bacteria or other contaminants.
When hiring a duct cleaning company, make sure they will perform the above functions.  Expect the cleaning to take several hours.