If you think your have mold, fungus or mildew blowing through your air ducts in your house, I have a simple solution that won't cost you much more than your time.
Call me right now at 800-440-6515. If you are a DIY person, go and buy a mold test kit and place it somewhere inside the air handler. You can also do a swipe test to find out if your air ducts have a layer of dirt thriving with spores.
You can see pictures of mold and get more information on serious issues no more mold.