| Most families have done without an air purifier for | | | | ought to go for a central system, particularly if |
| generations - hundreds or even thousands of | | | | you already have ducting in place for a central |
| years. So what, you may be asking yourself, is | | | | heating or central air conditioning system. |
| the hurry to get one now? And it is true, there is | | | | If you are fortunate enough to have such a |
| a bit of a buzz about air purifiers at the moment. | | | | system then a powerful and very efficient air |
| But do they work all right and are they worth the | | | | purification unit can be fitted near your existing |
| money? | | | | blower in minutes in most cases. These systems |
| The answers to both of these questions are not | | | | will purify the air in your whole home at the same |
| straightforward, but everyone would have to | | | | time, which means that you can walk about your |
| agree that the motor revolves when you plug | | | | house, go about your daily business and leave |
| them in, so in that sense they do all work. | | | | interconnecting doors open at leisure. It is the only |
| Whether they are effectual or not depends on | | | | way to go if you have active children. This is |
| which model you buy. There are some very | | | | often the cheapest option too, believe it or not. |
| useful air purifying units and there is a lot of | | | | If you are going to buy a portable model, note |
| rubbish too. | | | | the dimensions of the largest room you are likely |
| The very useless ones are the very cheap | | | | to use it in and work out the volume of air in that |
| models, that are just not powerful enough and do | | | | room (length x width x height). You will have to |
| not even enclose adequate filters, but leaving | | | | check that whichever air purifier you get can |
| those aside, there are very good portable air | | | | handle that volume of air. That information will be |
| purifiers and very good central air purifier | | | | in sales literature. The cost of filters is an |
| systems. | | | | important aspect in the overall cost of a purifier. |
| So, the first thing you have to decide is whether | | | | How much are they and how often do they have |
| you want a central or portable air purifying | | | | to be changed? Can they be cleaned a few times |
| system. If you want to purify the air in your | | | | before requiring to be replaced? |
| office at work or your caravan or trailer, then a | | | | Think about why you want an air purifier. Is it |
| good portable purifier will do the job very well. | | | | because you want to combat a specific allergy? Is |
| The reason why a portable purifier is not so good | | | | it because there is a smoker in the house? Is it |
| for the home is size. Your house is just too large | | | | because of animals? Or is it just because of |
| for one portable air purifying unit. | | | | increasing levels of general pollution from cars and |
| If you locked yourself up in one room, then OK, | | | | industry? Whatever the reason, make sure that |
| but as soon as you open the door, or someone | | | | the air purification system you are thinking about |
| walks into the room, you have lost a lot of your | | | | buying can take filters that can remove those |
| decontaminated air. Therefore, if you are thinking | | | | substances from the air. Not all filters are identical |
| about purifying the air in your house, you really | | | | - not all filters can filter everything. |