In the fire restoration industry today, many practitioners use ozone generators as one of their primary means to neutralize smoke odor. Although ozone may be effective to some degree in neutralizing odors, many experts disagree on its effectiveness and whether the risks outweigh the rewards.  

Ozone, or trioxygen, is an inorganic molecule made up of three oxygen atoms with the chemical formula O₃. The name ozone derives from ozein, the Greek verb for smell, referring to ozone's distinctive odor.