Till date the most advanced air filtration system that has been devised for commercial purpose is the High Efficiency Particulate Air Filter system popularly known just as HEPA. The HEPA filtration system is claimed to capture 99.97% of anything above 0.3 microns in size that remains suspended in air. Now to get an idea of how small micron is we can compare it to the width of human hair. A human hair is about 100 microns thick. So you can well imagine how effective HEPA filtration is.
Though we don't realize too often, the air we breathe in is generally full of contaminants. Air inside our homes or offices contain impurities like chemicals, allergens, pollutants, gas, smoke, dust mites, etc. invisible to the eye in most cases, we hardly have a clue as to how much harm we are causing to our health. In fact our respiratory tract, which includes the nose, sinus and lungs are at constant war wit such contaminants. The ailments polluted air in our homes can be responsible of include anything from asthma to allergies to headache. HEPA purifiers can be a solution to all those struggling millions who suffer from one form of respiratory ailment or the other.
HEPA air purifiers can add that extra zing to your life. First of all you stay healthier, and have more energy to expend. Consequently you can work more efficiently and be more creative at your work. When you come home at the end of the day, you will also be enjoying a sound sleep. In a way a HEPA air purifier can actually change the way you live your life.
One drawback for HEPA purifiers is that they generally produce quite a lot of sound when they are working. This can be irritating for some. In fact there are those who prefer ionic air purifiers to HEPA ones since they emit no sound. Ionic air purifiers can afford to do so since they work in a different way. HEPA purifiers on the other hand will produce sound.
But generally those who understand the science behind HEPA will definitely consider it to be much superior to ionic air purifiers. The fact that HEPA purifiers is ore effective is further strengthened by the information that even hospitals and manufacturers' clean rooms also use them. For such places clean air is critical and they wouldn't be compromising on that.
There is little doubt that HEPA air purifiers are till date the most advanced of all air purifiers.
Honeywell Hepa Air Purifiers
With more and more people realizing that indoor air pollutants can affect your health seriously, the demand for air purifiers is increasing by the day. Such demand has led to almost an explosion in terms of growth for the air purifier industry which now has a consolidated annual sales of more than $100 million.
There are for obvious reasons a number of different models available today in the market to woo customers. At times it becomes difficult for one to choose a particular model. However, if you are going to buy an air purifier you first need to assess your needs. If there are no severe respiratory problems in your family a HEPA air purifier is more than enough. A HEPA air purifier is designed to capture 99.97 percent of impurities from the air which are equal to or more than 0.3 microns in size. This will be good enough to clear all kinds of allergens in the air as their size is generally in the range of 0.3 microns to 5 microns. The allergens that fall within this size range include mold, bacteria, animal dander, fumes and house dust mite.
But there is a catch. Although HEPA is great when it comes to dealing with allergens, other particulates which are less than 0.3 micron in size are not trapped by a HEPA filter. And fact is, about 90 percent of all particulates are less than 0.3 microns in size. Known as the 'lung penetrating particles' these pose a much greater threat to your health. particulates of less than 0.3 microns include viruses, a few bacteria and germs, cat allergens, smoke, soot, fumes and smog.
To tackle such small particulates, especially the living organisms, some HEPA air purifiers use ultraviolet light in combination. There are other stand alone machines which also use ultraviolet light to deal with the smallest of particulates. The ultraviolet light emitted from these machines do not actually kill the organisms. Instead they just alter the DNA and RNA profile of the organisms making them sterile and hence ineffective to cause any harm.
However, before you buy an ultraviolet machine you should take note of the fact that all ultraviolet machines are not built to the same quality. The competency of different models vary considerably and you should make sure that you are getting a right machine. The strength of the ultraviolet rays emitted is a good indicator as to whether the machine will be effective or not.
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