Top 5 mistakes when choosing an air purifier

An air purifier is one of the most useful home appliances, especially for allergy sufferers and residents of large cities. However, this is true only for a correctly chosen model. The range of products is wide, and it is quite easy to make a mistake. How to avoid it? We will study the most popular mistakes when choosing an air purifier.

Choose a model with insufficient performance
Power and air exchange are one of the most important parameters of an air purifier. They are the first to be looked at when buying. From these characteristics directly depends on how much air the device drives through itself per unit of time. However, buyers also need to pay attention to the service area. Most manufacturers immediately indicate the recommended work area for their models. You can view the data on the website of the online store or in the instructions.

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You just have to calculate the area of ​​​​the largest room in the house / apartment, if the cleaner is supposed to be used periodically in different rooms.

What to do if the recommended area is not specified? Focus on airflow. Calculate the volume of the room in cubic meters and calculate the parameter using this formula.

Here is what we get, for example, for a room with an area of ​​​​48 m 2 , a height of 2.5 meters and a multiplicity of two:

L \u003d 48 m 2 x 2.5 m x 2 \u003d 240 m 3 / h

The higher the multiplicity, the more times the purifier will be able to drive through itself the entire volume of air in the room per hour.

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Choose the wrong filter
The effectiveness of the air cleaner depends on the set of filters installed. In order for the device to cope with the tasks, you need to understand what pollution it will fight. And after that – choose the right model. Many buyers do not, believing that any air cleaner is universal.

The cheapest models may have only two types of filters in their design. More expensive devices already include a more impressive kit.

Mechanical filters (coarse cleaning). The simplest, found in almost all models – they only cope with the removal of large dust particles, animal hair.
Carbon filters. Better than others, they eliminate volatile and semi-volatile organic compounds, fights unpleasant odors. Ineffective against formaldehyde, sulfur dioxide and nitrogen dioxide.
HEPA filters. Detain 99% of all particles with sizes from 0.3 microns and more. Cope with most allergens – pollen, fungal spores, animal dander and so on.
electrostatic filters. Effective against dust and soot, but do not cope with various toxic compounds.
photocatalytic filters. Effective against viruses, bacteria and toxic compounds.

Basic cleaning includes mechanical and carbon filters. If you have pets or if you are allergic, then look for models with HEPA. For the most complex cleaning, photocatalytic filters are useful.

Don’t think about changing filters
Almost all air cleaner filters have a limited lifespan. Before buying, you need to find out if it is difficult to change them. And, of course, it is worth knowing where to buy new filters. Consumables can’t always be found in local shops, and buying online comes with waiting times and shipping costs. Sometimes it makes sense to order a more popular air cleaner due to the greater availability of components.

How often should filters be changed? Usually the manufacturer specifies this information. If we talk about general recommendations, then the following rules are relevant:

coarse filters – clean every 30 days, change when worn;
HEPA filters – change every 12-18 months;
electrostatic – do not need to be replaced, only periodic cleaning;
carbon filters – change every 6-12 months;
photocatalytic filters – replace the UV lamp every 12-36 months.

Buy too noisy model
Remember that the air purifier runs continuously for several hours or even a whole day. So you should understand how loud the model you are interested in will be. Most air purifiers fall within the 65 dB limit. This is comparable to the noise from working office equipment.

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If this level of noise does not suit you, you should carefully study the range. On sale there are quite quiet devices with a noise of no more than 35 dB. They are, by the way, ideal for children.

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Buy too big model
Most air purifiers are about the size of a small stool. They can be easily placed on the floor or on a table.

However, really powerful models have serious dimensions. Some are comparable in size to heating radiators. It is impossible to put such devices in a clogged corner. In this case, the purifier simply will not be able to cope with all the air in the room. Pay special attention to hanging air purifiers. You can’t hide them, which means you need to find a suitable place for them in the interior.

You can read more about the capabilities and design of air cleaners in a separate article .