You may take into consideration having your air ducts cleaned just because it seems rational that air ducts will obtain unclean gradually and also must be periodically cleaned. given that the cleaning is done properly, no evidence suggests that such cleaning would be harmful. EPA does not recommend that the air ducts be cleaned routinely, however only as required. EPA does, nonetheless, advise that if you have a fuel-burning furnace, cooktop, or fire place, they be evaluated for proper…