Cleaner air with cleaner ducts The air which is running through air ducts normally blows throughout the home when furnace is running. There are dusts, dirt, dust mites, pollen and other pollutants are accumulated in these ducts over time. There can be significant growth of mold, bacteria, and other microorganisms if these ducts become humid. [...]

  How you should clean your Air Conditioner ducts.  When your home has poor air quality your ducts could be moldy, dusty or dirty. Any forms of dusts can be an annoyance to the people that are living at the home, or worksite and having mold in the duct system can have major health implications. [...]