[EdFNJ]

Originally Posted by dewilson58

Very quite.

There are different settings from: Zap the area (which is leave for 90 minutes, plants are fine) to lower settings that can run around the clock and you can stay in the house.

Research more.

Actually I read a number of articles and info on the manufacturer's websites and they all say to leave when it is running. The last paragraph below I found most interesting. Copied from this article: Ozone Generators that are Sold as Air Cleaners | Indoor Air Quality (IAQ) | US EPA

Conclusions

Whether in its pure form or mixed with other chemicals, ozone can be harmful to health.
When inhaled, ozone can damage the lungs. Relatively low amounts of ozone can cause chest pain, coughing, shortness of breath and, throat irritation. It may also worsen chronic respiratory diseases such as asthma as well as compromise the ability of the body to fight respiratory infections.
Some studies show that ozone concentrations produced by ozone generators can exceed health standards even when one follows manufacturer’s instructions.
Many factors affect ozone concentrations including the amount of ozone produced by the machine(s), the size of the indoor space, the amount of material in the room with which ozone reacts, the outdoor ozone concentration, and the amount of ventilation. These factors make it difficult to control the ozone concentration in all circumstances.
Available scientific evidence shows that, at concentrations that do not exceed public health standards, ozone is generally ineffective in controlling indoor air pollution.
The concentration of ozone would have to greatly exceed health standards to be effective in removing most indoor air contaminants. In the process of reacting with chemicals indoors, ozone can produce other chemicals that themselves can be irritating and corrosive.


Basically it states if the amount of ozone produced is NOT HARMFUL then it is not useful. So basically very low settings don't do any good.