People spend most time indoors even not knowing the fact that in this way they expose themselves to harmful effect of polluted air. Indoor air can contain such contaminants as fungus, mold, dust, bacteria, and other pollutants, which cause illnesses. Asthma and allergy sufferers are very sensitive to the irritants in indoor air.
Currency air purifiers are gaining their popularity among the customers. These devices are designed to clean air by filtering out harmful particles and air pollutants. They are offered in various of sizes and types. The most common home air purifiers are equipped with True HEPA filtration and it removes 99,97% of particles as small as 0.3 microns. For odor control you can use devices with Activated Carbon that absorbs noxious smells and gases. And if you are looking for an appliance that will control viruses and mold, then you can take into consideration UV sterilization, which effectivly destroys biological contaminants.
If you are thinking of purchasing an air purifier, you should, first of all, consider the size of the room that you are going to purify. If the unit won't be able to handle the room size, then you will experience only a minor improvement in the room atmosphere. Further maintaince is one of the most important facts, as the filter should be changed regularly, depending on the type and instructions of the unit's manufacturer. If you want to improve the efficiency and extend filter's life, then you should look for units with prefilters, which trap larger particles. It is also advisable to consider the fact, that cleaners must be approved by Underwriters Laboratory, it is an independent safety testing and certification organization.
Types of Air Purifiers
There are various types of air purifiers in the market, which are ranging in size, quality and price. There are air cleaners, which combine multiple technologies, to eliminate a wider range of pollutants, and unit with filters, which are effective against some specific type of bacteria or airborn pollutants. The types of air purifiers can be divided into:
Activated carbon filter: it is effective against fumes, gases, odors and smoke. This type of air purifiers can remove odors and unpleasant smell, but still it won't eliminate dust, allergens and microorganisms. When the filter is full, it should be changed.
Electrostatic cleaners are available in portable and whole-house configurations, they can remove particulates, some odors, gases and allergents, but they are not effective against bacteria and viruses. In addition collection plates must be cleaned regularly.
HEPA Filter or High Efficiency Particulate Air removes 99.97% of all particles 0.3 microns or larger in size, eliminates dust, particulates, hair, spores, mold and some types of bacteria, but it won't eliminate gases, odors or viruses. Besides it may be more expensive, as the filter must be replaced every 12-18 months.
Ozone air purifiers produce a significant amount of ozone and sometimes they are sold as whole house cleaners. They can remove different types of odors, like smoke and mutsy, mold, chemical fumes and bacteria, but it is not effective against particles and other allergens.
Ionic purifier provides you with quiet performance, as it doesn't have fan or filter, plus it is effective against particulates, bacteria, smoke and some viruses, in addition it removes even extremely small particles, but it doesn't eliminate fungus, germs and some types of viruses.
UV purifiers can eliminate microorganisms, viruses, bacteria, pathogens mold and organic gases, but they are not effective against particulates, gases and odors. The bulb of the unit should be cleaned periodically and replaced annually.
Air purifiers are becoming more and more important, due to the outdoors air pollution and climatic changes. Efficient and good cleaner can help you to improve the air you breathe and general health, yours and your family. It is advisable to check customers' reviews concerning the brand or the particular model, as this can provide you with more information and even help to make the right choice.