Air Purifiers - Some Facts

By Owen Jones


A lot of people are concerned about the environment in which they live both at home and at work. The stories of pollution are grounds for immense anxiety to a lot of people.

A lot of people blame their allergies and other skin conditions on 'bad air' and there is proof to support their conjecture too.

One remedy for 'bad air' that people are turning to is that of air purification. Air purification can be attained with a dedicated air purifier or by use of high-powered filters in an air conditioning system.

It is usually cheaper to modify an existing air conditioning system than to buy a new air purifying unit, particularly if you want this new, clean air to become available in every room of your house.

Air purifiers are apt to work best in small confined spaces like an office or a child's bedroom. lots of the firms that make air purifiers boast that they will purify the air in a room of 180 square feet. Well, OK, but let us merely stop and think about that.

That is a room of 15 feet by 12 feet - I am six feet long, so what they are really talking about is a good sized bathroom or a small bedroom. For that, you pay about $150, but you do not have to buy new filters, says the company proudly, you can wash and reuse the old one.

Others use replacement filters. These units are normally a little cheaper. They will filter (decontaminate) the air in approximately the same space, but the filters can cost $50-$60 each. They frequently use what are known as HEPA filters and they are (or can be some of the best on the market.

It is definitely worth remembering the term HEPA filter, once you have made up your mind how you are going to suck or pump air through it.

If you are looking for an air purifier because you spend a lot of time in one room, especially if the windows open onto a busy street or your spouse smokes, getting a portable air purifier could be an solution for you, but check the specifications very carefully against the dimensions of your room.

If you try to save on the cost of an air purifier, you have thrown your money away - you might as well have tied a hanky across your nose.

Powerful, expensive air purifiers will work well in a confined space, but are portable and will almost certainly do a better job than an air purification system affixed to your air conditioning unit.

However, if you would like to raise the general standard of the air right through the whole house in one fell swoop, you cannot beat attaching a high quality HEPA filter to a central air conditioning system.

If you use a stand-alone air purifier, you will have to keep the doors shut to hold your clean air in and nag everybody to keep shutting the doors as well, but with an air purifier bolted on to to a central heating unit, you can behave usually.




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