Negative ionizers are a popular air purification system that can help reduce odors and make the air appear fresher. However, it is essential to be aware of the potential risks associated with using an ionizer in an enclosed space when someone is present. The process of charging the air with negative ions produces ozone as a by-product, and ozone is known to be harmful to health. Therefore, it is recommended to open a window or operate the ionizer when no one is home and turn it off when there is someone in the room with it. It is also important to clean the collector plate on electrostatic precipitator models frequently and clean the area around the ionizer regularly, preferably with a vacuum with a HEPA filter.
If it is a hybrid unit, it is best to turn off the ionizing function if possible. Ion generators work by charging the particles in a room so that they are attracted to walls, floors, tables, curtains, occupants, etc. Abrasion can cause these particles to be resuspended in the air. In some cases, these devices contain a collector to attract charged particles back to the unit. While ion generators can remove small particles (for example, some have suggested that these devices provide an advantage in correcting an alleged ion imbalance), no controlled study has confirmed this effect. Fanless air ionizers are quiet and energy efficient.
However, an ionizer without a fan doesn't circulate air as quickly, so it could take longer to purify a room. In conclusion, it is essential to be aware of the potential risks associated with using an ionizer in an enclosed space when someone is present. It is recommended to open a window or operate the ionizer when no one is home and turn it off when there is someone in the room with it. Additionally, it is important to clean the collector plate on electrostatic precipitator models frequently and clean the area around the ionizer regularly.