Overview of Home Air Purifiers

The benefits of air purifiers are immense to anybody that uses one. For those with allergies or asthma, the difference that an air purifier makes is astounding and very important.

Air purifiers are especially helpful in drastically reducing or completely eliminating second hand tobacco smoke too. In addition, when allergens come around in the spring, the air purifier will remove virtually all of them from the air inside your house.

There are dozens of potential allergens that are waiting to attack you within your own home! In fact, too many of these allergens and contaminants can lead to serious diseases.

Not all air purifiers operate on the same principles. Each type of purifier uses a different filtration method to achieve the ultimate goal of making the air cleaner. Depending on what kind of purifier you get, it may be more effective at removing specific types of contaminants, such as viruses.

The latter techniques are quite complicated and are more difficult to understand than the filter. However, just because they are more complex does not mean they are necessarily more effective, and regular filters can do the job for the majority of homeowners.

Using just a size-exclusion filter will suffice for many people, but those who become ill frequently may need something more powerful. Viruses and bacteria are some of the things that make people sick, but they are extremely tiny and can escape size filters. That is why other methods are needed to eliminate these contaminants.

Even though filters do not use any advanced technology, they are still quite effective. Most filters can remove 98% to 99.9% of airborne contaminants, as viruses and bacteria make up very little of the total contaminant ratio.

The two types of basic filters to choose from are HEPA and MERV. HEPA is sensitive to particles as small as .01 micrometer while MERV is sensitive to larger particles. A HEPA filter is usually placed behind a conventional filter that cleans the coarser impurities. This helps the HEPA filter to remain clean and last longer. The filter based air purifier should be arranged in such a way that no air bypasses the filter. HEPA does not emit ozone or any other detrimental byproducts. Although the confining rate of MERV filters is less than HEPA filters, an air system at the center can move considerably much more air in an equal period of time.

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