Many homeowners don't realize the amount of contaments that can be harbored in your air ducts. Over the years, dead skin, dust, mold and other contaniments can build up. When your HVAC system runs, all that dust is then distributed throughout the house.
Surprisingly to most people, the answer is a resoundig YES. During construction, your air duct system is open allowing wood shavings, drywall dust and particles, bugs, dirt, dust and carpet fibers to settle or be swept into your system. Cleaning your air duct system can remove these contaminates, giving you a clean, fresh start to your new home.