| Electrostatic precipitation has been around since | | | | and inconvenient to replace. Keep in mind, that the |
| the early 1900s. It was first commercialized in | | | | ion charged plates need to be cleaned regularly |
| 1907 by Dr. Frederick G. Cottrell. Since then, it has | | | | for maximum performance. |
| become a major player in the purification industry. | | | | The fan does not need to be as powerful. Hepa |
| Why Is Electrostatic Precipitation The Best? | | | | filters push air through a fine filter. The design |
| Escaping Particulates | | | | requires a heavy duty fan to push the air. |
| With electrostatic precipitation, extremely small | | | | Electrostatic models have virtually no wind |
| particulates (.01 - 1 micron) can be filtered out. | | | | resistance and don't require the pushing power of |
| The smallest particulates a Hepa filter can filter | | | | other models. |
| out is .3 microns. This means that for every | | | | Recommendations:Hepa and electrostatic filtration |
| 10,000 particles which pass through a filter, the | | | | are both effective. Hepa has one distinct |
| electrostatic filter lets 1 (or less) escape and the | | | | advantage in that it doesn't produce ozone. Too |
| Hepa filter may let 3 escape. We compare | | | | much ozone is not good to breath and some |
| electrostatic filtration with Hepa filtration because | | | | electrostatic models have been know to produce |
| Hepa filters are considered to be the second best | | | | excess ozone. All things considered, a hybrid |
| form of filtration. Hepa filtration is used primarily | | | | electrostatic (Hepa and electrostatic combined) is |
| to remove dust, pollen, mold spores. In addition, | | | | our preferred filtration method. |
| electrostatic filtration goes a step further by | | | | Finally, any form of air filtration should have a |
| removing bacteria, viruses, cigarette smoke, and | | | | good fan. Air must be circulated throughout the |
| chemical fumes. | | | | entire home. Don't consider an electrostatic purifier |
| CostElectrostatic precipitation is less expensive, in | | | | that is silent (no fan). In addition, if you purchase a |
| the long run. It is more expensive in the original | | | | purifier with Hepa filtration make sure there is a |
| purchase. However, you will save, in the long run, | | | | pre filter. Pre filters are much less costly to |
| because you don't have to buy replacement | | | | replace. |
| filters. Replacement filters can be quite expensive | | | | |