Home LivingSmart Home3 mistakes everyone makes with air purifiers from filter fails to CADR comprehensionIf you want your air cleaned better, there’s a few things you need to knowWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
Home LivingSmart Home3 mistakes everyone makes with air purifiers from filter fails to CADR comprehensionIf you want your air cleaned better, there’s a few things you need to knowWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
If you want your air cleaned better, there’s a few things you need to know
When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works.
(Image credit: Getty)
(Image credit: Getty)
Sales of air purifiers have gone through the roof in the last few years, as people have spent more time at home and been, naturally, more concerned than ever about the state of the air they’re breathing. Although ironically, most air purifiers are not able to remove viruses or bacteria from the air, while those that claim they do are both very expensive and often making claims based on science that is a little under-researched, to put it mildly. If it were possible to literally zap all germs from the air, as such purifiers claim to do, the world would be a rather different place let’s face it.
Even so, there are undoubted benefits to air purifiers, from removing allergens and potentially dangerous small particles and cleaning chemicals, to reducing cooking smells, to giving people peace of mind, whether that’s illusory or not. This only applies if you avoid making the mistakes people make with air purifiers, however. Even thebest air purifieris not much use if you don’t use it correctly, or have failed to grasp what it’s meant to do in the first place.
These are the worst mistakes you can make with an air purifier
1. Not checking a purifier’s CADR score
This is image doesnotshow an official laboratory test, but you get the general idea(Image credit: iStock/Getty)
This is image doesnotshow an official laboratory test, but you get the general idea
This is image doesnotshow an official laboratory test, but you get the general idea
(Image credit: iStock/Getty)
CADR stands for Clean Air Delivery Rate. It’s a set of 3 scores given to air purifiers, extractor fans and other air processing devices for their ability to remove smoke, pollen and dust. Once tested, results are converted to cubic feet per hour. The higher the CADR score, the better.
Putting is as simply as possible, if an air purifier has a CADR of 300 for smoke, it will reduce smoke in the air of a room to the level it would be at if you added 300 cubic feet of completely clean air per minute.
Thebest Dyson fans– or at least the ones that are also air purifiers – are tested using a system ofDyson’s own devising and not CADR. Dyson says this is because CADR is inherently flawed, and that their testing is more stringent. I have no idea why they don’talsosubmit their machines for CADR testing, since they would presumably ace that, but I will leave you to draw your own conclusions on that.
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2. Not positioning your purifier correctly
Away from the wall is best(Image credit: Getty)
Away from the wall is best
Away from the wall is best
(Image credit: Getty)
The natural inclination of most people is to place their purifier against the wall, or even in a corner, and preferably under something. Why? Because most air purifiers look ugly and weird, and some are pretty hefty as well. Unfortunately, unless your manual specifically says to do this, you are actually meant to place air purifiers well away from walls, and in the case of cylindrical ones, as near to the middle of the room as possible.
This raises issues with plug socket placement as well as aesthetics, and I don’t have any easy answers for how to do it in an attractive and convenient fashion. Installing floor sockets is the best solution, but if you don’t feel like shelling out for that, running a power strip cable under furniture could be the best bet.
3. Not paying close attention to the filter
This Dyson filter has a carbon layer to deal with smoke and is fully HEPA compliant. It also looks like a set from Star Wars or Tron, as an added bonus(Image credit: Dyson)
This Dyson filter has a carbon layer to deal with smoke and is fully HEPA compliant. It also looks like a set from Star Wars or Tron, as an added bonus
This Dyson filter has a carbon layer to deal with smoke and is fully HEPA compliant. It also looks like a set from Star Wars or Tron, as an added bonus
(Image credit: Dyson)
This is the most important part of any air purifier. All the rest of the machine does is suck air through it for cleaning, and let you control the speed and so on. There are three important things to note there.
A) Make sure the supplied filter does what you want it to.If there is no activated carbon layer to it, the air purifier will not remove smoke, cooking fumes or odours. If it’s not a 100% HEPA filter, it cannot be guaranteed to remove allergens well enough to reduce your allergy symptoms.
No air purifier will totally remove germs from the air. Even when a purifier specifically says it will destroy bacteria and viruses, it is very much worth keeping in mind that it can only do that to germs that are sucked into it. Bacteria and viruses can still gather on surfaces, pets and/or human beings before they can be miraculously sucked from the air and vaporised, so I really would not consider any air purifier to be a significant protection from viral harm.
C) Clean your filter regularly.Some air purifiers notify you to do this, but if not, a good going over with a vacuum cleaner every 3 months or so is highly recommended.
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