| An air purifier is a worthwhile investment for | | | | larger units, which can purify several thousand |
| those who would rather avoid allergies and | | | | square feet, the fixed units tend to be more |
| asthmatic attacks than spend a hefty sum on | | | | expensive. These are installed either in the central |
| medical bills. With the number of airborne | | | | heating system or the air conditioning unit. They |
| pollutants increasing with every passing day, | | | | are concealed and are effective for cleaning the |
| anyone can be susceptible to these hazards. For | | | | air in large areas. |
| this purpose, a wide range of air purifiers is | | | | Apart from the size of the room, the cleaning |
| available in the market today. | | | | mechanism also influences the price. The basic |
| Several factors are to be considered before | | | | HEPA filter and ozone based air purifiers are |
| purchasing an air purifier. The size of the room, | | | | usually cheaper, compared to the electrostatic |
| the quality of air and the level of purification | | | | ones. If an air purifier incorporate two or more |
| should all be considered before purchasing the unit. | | | | technologies to purify the air, the prices are likely |
| Another major factor influencing most purchases | | | | to be high as the quality of air will be very pure. |
| is the price. | | | | Among the most expensive air purifiers are the |
| The price of an air purifier is based on several | | | | ones used to eliminate bacteria and germs. These |
| different aspects. The size and capacity of the air | | | | systems use a multi-step cleaning process to give |
| purifier is the most influential factor affecting the | | | | out air free from any germs. These units, usually |
| price. The cheapest purifiers are the small, | | | | used in hospitals and laboratories, start around |
| portable car air purifiers, which start off around | | | | $1200 and can cross the $2000 mark. Price over |
| $20. On the other hand, larger air cleaning | | | | quality should not be a priority as these purifiers |
| systems, used to purify the air in a large area | | | | are an investment for a healthier life. |
| may cost several thousand dollars. Even in the | | | | |