You want the air in your home to be clean and fresh, not dry, stale and full of contaminants. It is easy to forget cleaning about cleaning your air ducts, usually because they are out of sight. Professional air duct cleaners Fountain CO recommend having residential air ducts cleaned every 2 to 3 years, but unlike cleaning the bathroom or mowing the grass, it is not always obvious when the task needs to be done. When you ignore your home’s ductwork, problems can arise. Here are several reasons why air ducts should be cleaned.