If you are like most people then you are probably looking to purchase a home purifier to ease allergies such as you get from dust mites or pet fur. Almost all of the best purifiers are likely to offer you some protection for these conditions but some are much more efficient than others so it pays to do your research and shop around before you make a decision to purchase.
Hepa systems are the best for the this job so if you are looking to ease your allergies make sure the system you want to purchase contains a hepa filter. These filters remove 99% of particles responsible for allergies and can also be found in tandem with other types of filters in the better models.
Different types of purifiers are suited to different applications, say for example you want to get a portable system so you can shift it around when and where you need it, then you need to look at what rooms you want to use it in how large an area you have to clean and make sure the machine is large enough so you get the desired result.
Another consideration when buying an air purifier is how large you need to go. Some home systems can be enough to purify the air of one room but what if you want the whole house cleaned? It would be pointless to purchase an item that will not do the job you wanted it for. Think about the area you want covered and cleaned and also if you want to be able to move the room air purifier to a different location. If you buy a heavy and cumbersome machine then this is going to be difficult and cause frustration.
Another great reason to purchase an one of these great little devices is obviously to remove odors. If you smoke or have pets in the house then these systems can be a great way to alleviate any bad smells or most likely eliminate them. You should see a difference in a few days after using it and of course machines that do this well may not be of so much use if you want to capture pollutants and clean your air rather than just refresh it.
Why buy an air purifier, well for the simple reason that there are so many pollutants and contaminants in our air today that a purifier makes a lot of sense. You do need to be careful what type you buy though and thats the secret to getting the right machine for the job.