Air ducts should be cleaned when: a) there is substantial/visible mold growth inside the sheet metal pipes or vents, or on other components of your heating or air conditioning system; b) ducts are infested with vermin (rodents or insects); or c) ducts are clogged with excessive amounts of dust and debris and/or particles are actually released into the home from your registers.
Call 920.312.7807 today for more information.