Most ductwork cleaners do not even put the ductwork under negative air pressure when it is cleaned. There are standards written for ductwork cleaning and mold removal, which just need to be followed. It is that simple.
Most ductwork cleaners do not even put the ductwork under negative air pressure when it is cleaned. There are standards written for ductwork cleaning and mold removal, which just need to be followed. It is that simple.