How to choose an air purifier
Air purifiers can help you in case of respiratory diseases. The problem is that if it is the first time that you are interested in one of these products, it is not easy to know what to look for or how to choose the best model. Therefore, we will see everything you need to know to buy the best air purifier.
What is an air purifier
An air purifier is, as its name suggests, a device designed to remove the pollutants that are present in the air. For example, dust, mites, pollen, or others like tobacco smoke.
Various types of solutions can be used to eliminate these impurities, but for the consumer market, it is usual to use special filters that capture the air in the room and expel it again in a cleaner way.
This capture and ejection process is performed by means of a fan in continuous operation. Thanks to this and the current that is generated, it is able to absorb all the air in the room in which it is located. Of course, depending on its capacity, the renewal of all the air will be a more or less slow process.
So, to choose the ideal purifier you need to know what are the key elements and how they affect depending on the needs of each user.
Types and characteristics of HEPA filters
High-efficiency particle air or HEPA filter is the element in charge of trapping all those particles that are found in the air and that affect its quality. As you can imagine, there are different types of filters depending on the degree of conservation that it is able to achieve. In addition, there is a nomenclature that you can find in many purifiers and that you are also interested in knowing what it means.
A HEPA filter is not the same as a HEPA filter, that is, it is similar but does not meet the same standards of functionality. Therefore, particle retention may be less efficient or fail to do so with the same number of types. So since you’re going to invest in an air purifier, even if they cost a little more, ideally, it should include a HEPA filter and not a HEPA type filter. Yes, now it can be a little confusing, but it’s just a matter of making sure before buying by looking at the datasheet that you will also see in the package.
Going back to HEPA filters, they offer different levels of conservation and nomenclatures.
HEPA filters E10, E11, and E12: offer total retention between 85 and 99.5% of PM (particular material)
HEPA H13 and H14 filters: offers total conservation between 99.95 and 99.995% and over 99.7% of local PM (particulate) conservation
HEPA filters U15, U16 and U17: total retention between 99.999995 and 99.99999995% and local retention up to 99.9999% PM (particular matter)
It goes without saying that the higher the percentage of retention, the cleaner the air returned by the purifier will be. Nor should these filters be replaced according to the manufacturer’s instructions depending on the time or number of hours of use.
How to choose the ideal air purifier
Now that you know what a purifier function is and what HEPA filters are, the next step is to know what other aspects must be considered in order to choose the most suitable model according to your needs.
The first basic point is to know what is the volume of air you want to purify. Or in other words, what is the volume of the room in which you want to use it. If you are going to do it in multiple rooms, you will logically need the data of the largest.
With this data you can now choose the purifier with the appropriate power for this. Otherwise, if it has less energy, the time needed to clean the air in the room will be greater and its efficiency will decrease.
Being a device that you will have turned on for long periods, the ideal is that it is also as quiet as possible. Because at certain times of the day it will not disturb daily activity, but when you want to be quiet for a while you will notice that the hum that your ventilation system can cause disturbs a lot. Below 30 dB it is considered very quiet, perfect for starting at night and up to 40 dB would be optimal for the day.
From here, all that a purifier adds to another model will be an extra that you will have to re-evaluate to what extent you are interested or not. Because the final price of the product is likely to rise.
And is that a purifier that controls manually is not the same as another that has integration with home automation systems or that you can control remotely through an application. Nor does it include any type of system that allows it to monitor air quality and to activate itself accordingly, or an activated carbon system to combat odors too.
In summary, to choose an ideal purifier it is necessary to keep in mind the following:
Power based on the room you want to purify
Retention level of the particulate matter or PM you want to achieve
If you want it to be a HEPA filter or a HEPA filter it’s enough for you
The maximum and minimum noise level
Additional smart options
With that, you will be ready to start seeing different models, assessing their abilities, and if that’s what you’re looking for or not.