When looking to purchase an air purifier, or air cleaner as some are called, it is sometimes necessary to take a closer look at the different types of cleaners, based on the needs of the purchaser. Whole house models are available for houses that contain forced air conditioning and heating while smaller ones may have to be used in homes without forced air methods. As far as type goes, the electronic precipitators are said to work the best and do not restrict the airflow as some of the other types do, although they do sometimes produce ozone in the home. Ozone in the air of the home is still being studied to see whether or not the effects are harmful.
The whole house air cleaners do, most times, cost less than the room model air cleaners although the whole house cleaners require the filters to be changed more often, which can become expensive. The Association of Home Appliance Manufacturers certifies most air cleaners and when choosing one, it would be wise to choose one that has been certified. The AHAM encourage users to purchase an air cleaner that has been certified for a room larger than the room they are purchasing for, in order to ensure better air quality. Additionally, choosing one for a larger room than you need will also ensure that the one you purchase will most likely run quieter as well.
Also make sure you are choosing the right kind of filtering method for your home, whether it be a HEPA, which is used mostly for dust, animal dander, pollen and dust mites; or an ULPA filter which removes the same things as the HEPA and also mold, bacteria, and other airborne particles.
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