How Many Air Purifiers Do I Need?

With overcrowded cities, polluted streets, and proximity to industrial plants, no one can guarantee that the air coming from the street into the house is clean enough. And in the general premises of an office, clinic, classroom or auditorium, where many people stay all day, the air is more polluted than on the street, especially during seasonal epidemics. Therefore, after adjusting the ventilation and providing the necessary air exchange, the second rational action is to install an air purifier. In this regard, people also have relative doubts. How many air purifiers does a family need? Do I need an air purifier in every room? This article will tell you the answer.

How many air purifiers do I need?

Micro particles of dust floating in the air of every apartment are bad for our health. As a rule, you only need one air purifier per house. Of course, this has to do with the size of the room you need to clean the air in, the capacity of the air purifier you buy, and so on.

The capacity of an air purifier indicates how much air the purifier can filter in an hour. Sometimes it is listed in cubic meters per hour, but often manufacturers also report how much room the unit can handle. It is better to choose those with a higher capacity so that they do not run at maximum speed, because then most noise is generated. Of course, if you need this, or the area of your home is too large, you can choose two or more air purifiers. It depends on your needs.

Do you need an air purifier in every room?

There's a saying. For air purification to be effective, you need to place a purifier in each room. This is not always possible, so it is best to put the unit where you spend the most time. This is usually the bedroom or living room, but you can also move the unit and place it in the living room during the day and in the bedroom at night. Otherwise, resources will be wasted. Of course, if your home is relatively large and you want to clean the air 24 hours a day, then you can put an air purifier in a common area.

how many air purifiers do i need

How to choose the right air purifier for your home?

Choosing an air purifier should be considered according to the type, your needs, your budget, and many other factors.

Types of air purifiers

Carbon purifiers fall into the category of fine filters. They effectively remove certain gases and vapors from the air. To put it more simply: charcoal filters for protection in an urban environment are effective, but not so effective as to clean the air from harmful impurities to 100%. This type of air purifier needs to be replaced periodically, on average once every six months, otherwise it itself becomes a source of toxins.

Electrostatic air purifiers work on the principle of an ionizer. Electrostatic filters can and should be cleaned periodically by hand, rinsing with plain water. On average, it is recommended to rinse them once a week. The ion filter gets rid of dust, soot, allergens, but does not work with toxins and volatile substances.

HEPA air purifiers: The corrugated fiber structure of the filter is excellent at trapping dust. The more bends and folds a HEPA filter has, the better it cleans the air, up to 99% of particulate matter greater than 0.3 micron. HEPA refers to replaceable air purifiers, as they become clogged with dust, deform and need to be completely replaced. The frequency of replacement is usually listed on the cleaner model itself. It is imperative to do this, otherwise the filter will not only stop clearing the air, but may not even allow it to pass at all.

Photocatalytic: The most advanced type of air purifier available today. They literally break down toxic impurities under ultraviolet light on the photocatalyst's surface. They destroy toxins, viruses, bacteria, any odors at all. Home purifiers usually use rather weak photocatalytic filters. At home, photocatalytic filters are a great prevention for colds and allergies. The air purifier itself usually does not need to be changed, but the UV lamp is subject to wear and tear.

Performance and power

When buying a purifier, the most important thing is that it can cope with the volume of air in your room. To make the right choice, there are two related parameters of the devices at once: the serviceable area and the air exchange rate.

Serviceable area

This is the easiest way to choose a unit. You only need to know at least the approximate square footage of your rooms and choose from devices that fit this figure. 


This pricing is the same for quality air purifiers as it is for other appliances. The more stuff inside the body, the more functions, the more technological management – the higher the price. But there 's a nuance here. Saving money on an air purifier could mean saving money on your health. Therefore, you must be serious and thorough when choosing a device according to the principle of "price - quality".

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