| When you try to sit down and create an air | | | | successful compare the efficiency of an air |
| purifier review it can be really hard as every | | | | purifier in removing different allergens. |
| consumer needs the purifier for different things. | | | | There is a multitude of technology that purifiers |
| One unit will work great for someone who has a | | | | use such as UV, HEPA and even Ionizers. When |
| major allergy but this same unit might be awful at | | | | you don't understand each of these technologies it |
| helping someone who has asthma. | | | | can be tricky to know which is the best unit for |
| The task of a purifier is to remove pollutants | | | | your need. In the Navy, HEPA was first created |
| from the air so that they don't cause discomfort | | | | so that air could be purified on board submarines. |
| or lead to an allergic reaction. A hay fever | | | | The way that a HEPA purifier works is by using a |
| sufferer will use an air purifier to clean the air of | | | | polymer or paper filter that has so small holes |
| pollen so as to reduce the risk of an allergic | | | | that pollutants are stopped and blocked. |
| reaction. Another person with a dust allergy will | | | | At cleaning air, HEPA has good efficiency but the |
| try to use a purifier to remove dust mite | | | | problem is that filters will need to be replaced. The |
| allergens from the air. Certain purifiers are good | | | | cost of filters can be very high and in some |
| at removing one type of pollutant more than | | | | cases can cost more than the price of an air |
| other types. Taking into account the needs of | | | | purifier! If you are reading a review for a |
| different people I will try and test each air purifier | | | | particular HEPA model then make sure you find |
| in many situations and give it a mark based on | | | | out how much the filters cost and when they will |
| the efficiency for each task. | | | | need to be replaced. |
| You will generally need to use a laboratory to | | | | |