Air purifiers are now becoming common place in both the home and office. Allergy and asthma sufferers rely on them to help them breath easy. If you are looking to buy one, then the array of technology can at first be confusing.
We have put together a review of five of the latest air purifier technologies so that you can choose the right machine for your home.
Air purifiers are devices that remove contaminants from the internal atmosphere of a building. There are various 5 main types of air purifiers:
1. UVGI - or Ultraviolet Germicidal Irradiation works by killing germs or bacteria using light wave radiation. UV are not the most efficient as removing bacteria and mold will require excessive amount of UV radiation before they are destroyed.
2. High Efficiency Particulate Air(HEPA) air purifiers work by trapping pollutants using a fine filter ( efficiency is around 99% of particles sized 0.3 micrometer blocked as well as other smaller pollutants). If you want to maximise the efficiency of HEPA then you should use them in a situation where air is not circulated. Airtight rooms where air is only allowed through particular ducts is perfect for HEPA but its unlikely that this will be the case in an average US home.
3. Activated carbon is used to adsorb volatile chemicals at the molecular level. However, its efficiency is disputed since the adsorption process stops when the activated carbon reaches equilibrium with the atmosphere. Thus, not all chemicals are removed and chemicals can be released back into the air if there are more of them in the filter.
4. Ionization purifiers do not use a paper or plastic filter like those seen in HEPA machines. Ionic purifiers use ions to charge the surrounding particles and then use an opposite charge plate to remove these pollutants from the air. The noise from Ionizer purifiers is a lot less when compared to HEPA purifiers. If you need to remove very small particles then Ionic are the perfect choice but are not so good at removing smells or bacteria.
5. Other emerging technologies like Photo catalytic Oxidation (PCO) promise high levels of purification with low energy consumption. However, PCO is currently not being used in residential homes because they are ineffective in destroying gaseous pollutants.
Once you have read our reviews of the top 5 technologies we hope that you will find it easy to choose which technology is right for you.
We found that the top ionization air purifiers on the market are the Oreck XL range.If you want to read more Air Purifier reviews and you can find even more information.
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