| The air we breathe everyday is filled with | | | | from one room to another. |
| numerous impurities. Although a greater part of | | | | There are different types of room air purification |
| the air pollutants originate outdoors, they | | | | systems available. The HEPA or High Efficiency |
| inevitably creep into our homes and offices. Unlike | | | | Particulate Air filter unit is one of the most |
| the outdoors, the air inside a room does not | | | | common home filter systems. This purifier is |
| circulate as freely and hence gets saturated with | | | | effective against more particulate matter but |
| dust, chemical fumes, odors and microorganisms. | | | | ineffective against gases and odors. |
| These substances can cause serious damage to a | | | | Ionic air purifiers release negatively charged ions |
| person's health such as allergies and breathing | | | | into the room. These bind with the positively |
| disorders. Room air purifiers help prevent such | | | | charged impurities, making them settle down. An |
| problems. These devices draw in the air, pass it | | | | ionic air purifier may contain a filter to separate |
| through a filter system and then release the | | | | out this dust. |
| fresh, clean air back into the atmosphere. | | | | The third popular room purifier is the ozone air |
| Room air purifiers replaced tabletop air cleaning | | | | purifier. This unit releases the reactive oxidant into |
| units in the 1990s. The tabletop unit was | | | | the air. Ozone can be used to kill bacteria. It also |
| ineffective because of inadequate volume of air | | | | combines with several gases and odors to nullify |
| being circulated through it. Room air purifiers are | | | | their effect. However, excess ozone exposure |
| more powerful and can circulate a larger volume | | | | can be harmful so care should be taken when |
| of air, thus making breathing safer. The size of | | | | using this product. |
| the unit depends upon the size of the room. | | | | With such a wide range on offer, the right choice |
| Usually, air-purifying systems are available for | | | | depends upon the size of the room, the amount |
| rooms of 500 sq ft and above. Most air purifiers | | | | of air pollution and finally the budget. |
| are mounted on wheels and can be easily moved | | | | |