| The short answer is, just like an electro magnet. | | | | of their design, they produce ozone in |
| My name is John and I have been in the air | | | | uncontrollable amounts. This is what the EPA |
| cleaning industry long enough to know that the | | | | doesn’t like. Unfortunately, the EPA has |
| best option for air purification is the whole house | | | | lumped all electronic air cleaners into this one |
| type. Generally, most people have some sort of | | | | category and has disapproved of their use. |
| central heating and cooling system that is forced | | | | The second type of electronic air cleaner uses a |
| air. This system, if designed by a licensed heating | | | | media pad to collect the particles. They are called |
| and cooling contractor, has been designed with all | | | | Polarized Media electronic air cleaners. Most of |
| of the existing circumstances of that particular | | | | them use some variation of fiberglass as the pad |
| home in mind. It is also rated to change the air in | | | | and some incorporate a carbon sheet in the core |
| the entire home 4-6 times per hour. Your furnace | | | | to help with odors. This design is not capable of |
| is your best device for keeping that indoor air | | | | producing ozone, as there is no metal on metal |
| clean. | | | | contact. The technology used in this method of air |
| There are two types of electronic air cleaners | | | | purification is simple, like an electro magnet. The |
| currently available. The first type is what you | | | | media is charged with a positive charge and the |
| might call the EPA-type electronic air cleaner. | | | | particles, which are naturally negatively charged, |
| These are also called electronic precipitators. The | | | | are attracted to the media. Once a particle is |
| air cleaner has a charging section that charges the | | | | captured, it acts as a conductor to capture the |
| particles as they enter and a collector section | | | | next particle, like a chain of paperclips on a |
| made up of metal plates that are oppositely | | | | magnet. The efficiencies achieved by this |
| charged, to collect the particles. The downside to | | | | technology are comparable to HEPA filters in |
| this method is the production of ozone. By virtue | | | | most cases. |