One of the most important reasons for anyone to go hunting for an air purifier is allergies. But if your allergy is caused by something you ingested, then air purifiers are not the answer. you'll just have to keep abstaining from shrimp.

However, if you're allergic to dust or sensitive to dirt that's present in the air, then an air purifier is certainly a must have!

How can you find the best air purifier for your situation, though? First, what are the qualities you need to consider when you're looking for the perfect air purifier? Second, what should you be avoiding?

You should always consider safety above anything else. You will have to check if the design is child-friendly if you have children around. And most importantly, be aware of those ionizing purifiers that may emit ozone. This is where you'll really need to do your research; try to check on customer's reviews or allergy experts for some advices. If you start first with a safe air purifier, then you can work on the allergy-friendly side of things with some peace of mind.

Some allergy associations tend toward HEPA filters as being generally the best of what's out there. This sort of filter, made from thick pads of randomly arranged fibers, usually has the highest rate of capture of floating air contaminants, right down to the tiniest particles. But of course, you really need to do your research even with this type of filter. As the Allergy Consumer Review website points out in its evaluation of air purifiers, a few HEPA appliances have leakage problems (partly because of a tower design rather than a stacked design), and some are more efficient than others. And some specific purifiers work effectively in smaller places, while some are effective in bigger spaces. So you'll need to do some reading before making your choice.

Other factors to examine will have to do with how many complete air changes the purifier manages for one room, each hour. A good general recommendation is 4 to 6. You really need to be keen in searching for reviews since some companies tend to make their product's clean air delivery rate exaggerated. And their published rate will virtually always be for when the purifier is running with the fan at its highest speed. You're not likely to keep it at that speed as a constant thing, so the real CADR will be considerably lower. That's why, research is very important.

And remember that if you have pets or live in a very pollen-heavy area, you can factor the rates downward even further. This doesn't necessarily mean that companies are just inventing numbers but due to some factors that could add up on your purifier's workload, the rate could be affected.

Once your done with the safety and allergy areas then you could go on to some smaller factors like warranties, reliability, noise and durability. There's no use buying a sturdy, quiet air purifier that's not even safe or that won't help your allergies at all. Always consider health and safety first before trying to deal with the other minor factors.

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