Is sanitizing essential for air duct cleaning?
Sanatizing is not usually included in air duct cleaning, it is an add-on procedure and it is optional.
Usually technitians reccomend to apply sanatizer if they see any bacterial growth.
Sometimes this microbal growth can be easy removed by the brush.
Sanatizer just gives assurance that this microbes are definately elliminated from the duct system for now and prevents its growing in thr future.
Sanatizer also helps to eliminate bad odor in the vents.16.06.2016