How to Compare Ion Air Purifiers

Air purifiers are basically appliances that help clean the air in your home, removing contaminants such as dust, dander and other potential allergens. Negative ion air purifiers use a type of chemical injection technology, rather than a HEPA filter or electronic technology, to remove contaminants from the air. This technology is also known as ionizer technology, and while it can produce a lung-irritating substance known as ozone, it still clears other contaminants from the air in your home. Investigate a few factors when shopping for an ion air purifier.

Instructions

- 1
  Look for the clean-air delivery rate, or CADR, for the ion air purifiers you're comparing. This rate tells you how efficient the purifier is. Consumer Reports.org recommends avoiding air purifiers that are rated below 100 and looking for rates of 350 or higher.
- 2
  Check out the minimum efficiency reporting value, or MERV, to learn more about an ion air purifier's efficiency level. Those purifiers with rates over 10 scored highest in Consumer Reports testing.
- 3
  Find out the weight and mobility of the ion air purifier as you compare various models. If you plan to move the purifier from room to room, small wheels can make larger, heavier models easier to move. However, you can generally find models that weigh just 10 or 20 pounds.
- 4
  Pay attention to additional features that might be important to you on the ion air purifiers. The controls should be easy to read and user-friendly to ensure you can operate the purifier properly. Air purifiers might also have a fan to help bring in more air. This improves the overall efficiency level of an ion air purifier; however, it also makes the purifier noisier.

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