Does ozone destroy household odours?
A8. Many people report that household odours disappear when an ozone generator is on. However, several laboratory studies have indicated that ozone did not reduce the level of chemical pollutants in air as measured by laboratory instruments 3. A test conducted by Consumer Reports magazine 6 found that the odour of stale tobacco smoke in a room had not been effectively reduced the day after it had been treated with an ozone generator. Because ozone can deaden the sense of smell after a short exposure, some experts believe that the reduction of odours is partly due to this masking effect, and not to the removal of odour-causing chemicals. Q9. How effective are household air cleaners that produce ozone? A9. Health Canada has not tested household air cleaners for effectiveness. However, even the manufacturers of air cleaners agree that ozone does not remove smoke and dust from the air; smoke and dust are removed by air circulation, filtration, or ionization. Circulation and ionization acce
