Killing car odours with ozone — safely

Ozone (O₃) is an unstable form of oxygen. It reacts with odour molecules, mould spores and bacteria and breaks them down — which is why it works where air fresheners only cover up. That same reactivity is why nobody — person, pet or plant — may be inside while it runs. Done properly, it is the single most effective fix for smoke, pet and damp smells.

1. 1

   Remove the source first

   Ozone is a finisher. Vacuum, remove the old car seat cover, clean the spill, dry the wet carpet. If the source is still there, the smell will come back.

2. 2

   Empty the car completely

   No people, no pets, no plants. Remove leather jackets and anything rubber-sensitive you care about.

3. 3

   Set up and seal

   Place the generator on the floor or rear seat. Close all windows, run the engine briefly with aircon on recirculate so the ducts are treated, then switch off.

   Bay tip · Never leave a running engine unattended for this. Ozone Pro runs off its own power; Ozone Mini off the 12V socket.

4. 4

   Run the timer

   30 minutes for typical smells, up to 60 for smoke. Walk away. Do not open the door to check.

5. 5

   Dwell, then air out

   Leave the car closed 30 minutes after the cycle ends so the ozone reverts to oxygen. Then open all doors for at least 30 minutes before anyone gets in.

6. 6

   Repeat if needed

   Heavy smoke may need two sessions on separate days. More time in one go is not better.

Ozone is harmful to breathe. Unoccupied spaces only, on a timer, with full dwell and air-out time. Keep the generator away from children. Ozone treats odours; it is not a medical treatment and makes no health claim.