Koios Upgraded Purifier Review

9.3
Expert Rating

The Koios Purifier Indoor Air Cleaner is an affordable, durable, and surprisingly child-friendly air purifying unit. It can become a little loud sometimes, and its area of effect is limited to the room it’s in, but for $55.00 it’s hard to complain. Check out our best air purifier under 100 list for more great air purifiers!

Why We Like It – Koios Upgraded Purifier

The Koios Air Purifier Indoor unit is not only an excellent air purifier, but it looks quite nice and can add a spark of class to whatever room you decide to place it. It can double as a night light for you kid or you (don’t worry, I won’t tell), and can kill smoke and pet dander just as easily as dust particles.

Pros
  • Kills 99.97% of particles and odours
  • Doubles as a night light
  • Affordable
Cons
  • A little bit loud
  • Night light can’t be turned off
  • Will need more than one for multiple rooms

Performance

Koios Air Purifiers improve air quality via a three-stage filtration system: fine preliminary (pre filter), true HEPA filter, and activated carbon filter. The filtration systems work one after the other to kill 99.97% of particles and odors, including pet dander, to give the room the best air possible. The true HEPA Technology also allows the unit to eliminate dust, pollen, and even smoke from rooms. If this sounds like too much and you just want a basic office odor allergies eliminator, we suggest the GermGuardian GG1000 Pluggable Deodorizer Guardian.

Design

The Koios True HEPA Air Purifier features a one button operation which controls both the fan speed and the stage filtration night light. It couldn’t be easier to both clean your air and protect your state of mind while you’re sleeping. Anyone with a child will know how scary they get when their rooms are completely dark. Because the unit can eliminate odours from smoke dust pets and many other sources you’d expect it to be rather large, like the GermGuardian AC4825. But in fact it’s actually quite small, compact, and easily transportable from room to room for a whole house clean.

Value

The Koios Air Purifier reviews on Amazon rank it at 4.5 stars out of 5 based on 3,320 reviews. Not too shabby. The unit retails on Amazon for $55.00 which is a decent price for an air purifier that filters out the likes of smoke and pet dander. The Levoit Filtration Eliminators Vista 200 retails for almost $90.00 on Amazon and is almost exactly comparable to the Koios. The Koios Upgraded Purifier, if you’re not already sold on it for some reason, is also 100% Ozone Free Certified by Carb.

Koios Upgraded Purifier Wrap Up

The Koios Upgraded Air Purifier is a sleek, compact air purifier that can double as a night light for your little one. It’s mystifying that the night light cannot be turned off though, so let’s hope the people at Koios resolve this issue with their next purifier. Overall, though, for the performance it’s capable of and what it’s priced at, you can’t really go wrong.

Performance9.2
Design9.4
Value9.4
Reader Rating0 Votes0
9.3
Expert Rating
Bottom Line

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Michael Iaboni

Michael Iaboni is a Canadian Freelance Writer and Editor. He graduated from York University with a Degree in English and Creative Writing and then attended Queen's University where he obtained a Professional Editing Standards Certificate. He is a member of Editor's Canada and, in his spare time, enjoys reading, writing, soccer, and gaming.

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