Air Purifiers, Cleaners & Ionizers
Reviews, Comparisons & Buying Guide

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How Negative Ions Purify the Air

The balance of positive and negative ions in the air you breathe is affected by influences in the environment in much the same way you are.

What Are Negative Ions?

Ions are natural particles in the air that have either a positive or negative charge. They get this charge by either losing or gaining an electron. Negative ions are the good guys -- they are simply oxygen atoms that have gained an electron. They attach themselves to airborne particles such as dust, pollen, smoke and dander, causing them to drop from the air.Nature provides both positive and negative ions in abundance, but when it comes to feeling good, it's the negative ions that are important.

The best natural generator for negative ions is lightning, followed by ocean surf and waterfalls. Negative ions are also abundant in mountains and forests, since all plants give off some ions. In clean, natural air, you'll find very high concentrations of negative ions. If you suspect that the air you're breathing now in your air conditioned or heated office or home isn't so good, you're right. As an example, read an article about Reduction of Microbial Air Pollution in a Dental Clinic by Ionization written by the Aerobiological Engineering department at Pennsylvania State University.

Negative Ions can be actively produced by high voltage electricity run through metal needles (needlepoint ionization), or passively, as a byproduct of when ozone is created by corona discharge or UV light. Needlepoint ionization is by far the most effective way to produce high volume negative ions. However, negative ions have a very short life (2 - 6 minutes) and die before they can circulate completely throughout a dwelling.

Also, some high-powered ion generator will produce what has been termed "black wall", a black dust that settles on surfaces, in particular around the ion generator. The Surround Ionizers have overcome the black wall problems, but negative ionizers do have other limiting factors. An oxidation technology that uses germicidal ultraviolet light produces enough negative ions to be beneficial in removing airborne particulates in a surrounding area and in helping change the ion balance in that environment, but without creating black wall.  

Negative ions purify the air by magnetically attracting to pollutants until these newly-formed larger particles become too heavy to remain in the air you breathe. Negative Ionizer Air Purifiers and Oxidation Air Purifiers continually produce negative ions, so even if one of these fallen particles is kicked up into the air, it is quickly removed again. These fallen particles are typically collected by your normal cleaning activities. The most important thing, though, is that they are taken out of the air, preventing you from inhaling them into your lungs, which is how they cause problems.

Also read Negative Ion Generators

Air Purifiers That Produce Negative Ions

A negative ionizer produces the most negative ions, usually in the millions, and if dust and pollen is also an issue, a negative ionizer is a good choice:

Surround Air Multi-Tech Ionizers

Surround Air Multi-Tech Ionizer SALE! Save 10% on ALL Models

Negative ions clean the air by magnetically attracting to pollutants until these newly-formed larger particles become too heavy to remain in the air you breathe and they fall to the ground. Surround Air Ionizers continually produce negative ions, without creating the "black-wall" effect of older ionization technologies, so even if one of these fallen particles is kicked up into the air, it is quickly removed again. The most important thing, though, is that they are taken out of the air, preventing you from inhaling them into your lungs, which is how they cause problems.

Since certain technologies are much better than others at removing different types of air pollutants, all Surround Ionizers are multi-technology. All models include ionization, a prefilter, a HEPA and Carbon Filter and UV lamp, plus some models include a TiO2 filter or an optional ozone sanitizer. And, the Intelli-Pro includes electronic sensors. With Surround, you get the best of the most advanced air purification technologies on the market, all rolled into one air purifier. The best part is that Surround Multi-tech ionizers and replacement filters are affordable for every budget. more info

Air Oasis Breakthrough G3 UV Air Purification Technology!

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No air purifier on the market can compete in effectiveness, energy efficiency, adaptability and quiet operation, when compared to the Air Oasis G3 patent-pending Nano Nickel HCT photocatalytic oxidation technology. Other oxidation brands use only titanium dioxide (TiO2) as a catalyst, the cheapest, most available catalyst metal on the market, whereas Air Oasis contains five rare catalyst metals and nano size metals to increase the kinetic rate of reaction.

Unlike HEPA filters that only remove some particulate and carbon filters that only remove chemicals, VOCs and odors, Air Oasis technology is proven effective against MRSA, bacteria, molds, VOCs, chemicals, gases, odors, pollen, dander and more. Extensive testing conducted by West Texas A&M University at BSA Hospital confirm that Air Oasis not only purifies your air, but sanitizes surfaces, too. Additionally, Air Oasis Air Purifers are made in the USA, using brushed aluminum casings and UV lamps that utilize a proprietary long life coating, allowing them to outlast any UV lamp on the market. Read More about Air Oasis G3 Air Purifiers

Find the Right Air Purifier for
Your Unique Problem or Application

It's no mystery that the air inside our homes, offices and nearly every building we enter is contaminated with toxic air pollution problems. But wading through the plethora of air purification technologies and models to make our living and working space free of pollution can be a daunting task, especially with the misinformation presented by so many salespeople and web sites. There are many different air purification technologies and air filters on the market, but no one air purifier technology can solve every air pollution problem, which is why we carry different brands. For help determining which air purifier is right for you, click on one of the below links or call us toll free at 866-875-4386 (US and Canada).

Air Purifiers: by Problem - by Technology - by Brand - Air Purifier Buying Guide 

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