The Klarta journal
Indoor air, explained.
Guides on wildfire smoke, allergens, dust and dry air — written by the people who build the devices, and honest about what a purifier cannot do.
- Articles
- 16
- Topics
- 7
- US warranty
- 2 years
Aesthetic Air Purifier: How to Choose One for Your Home
Choose an air purifier that belongs in your room. A practical guide to finishes, furniture layouts, airflow, noise and the details that make daily use easier.
Air Purifier vs. Humidifier: Which One Do You Actually Need?
Air purifiers and humidifiers can both make your home more comfortable, but they solve completely different problems. Here is how to choose the right one, and when using...
What Size Air Purifier Do I Need? A Simple Room Size and CADR Guide
Not sure what size air purifier you need? Learn how to calculate room size, compare CADR ratings and choose the right purifier for your bedroom, living room or...
The Ultimate Guide to Air Purifiers for Businesses: Elevating Health, Design, and Efficiency with Klarta
Walk into any premium business today—whether it’s a dental office, spa, boutique gym, or café—and you’ll immediately notice two things: how it feels and how it looks. What...
Do You Really Need an Air Purifier? 7 Signs Your Home Air Quality Is Poor
Stuffy mornings, lingering smells, dust that is back the next day? Seven signs your indoor air needs attention, what an air purifier can and can't fix, and how...
Best Air Purifier for Allergies in 2025: Top Pick for Cleaner Indoor Air | Klarta
In today's fast-paced world, maintaining clean indoor air is more crucial than ever, especially with rising concerns over seasonal allergies, urban pollution, and dry air in homes and...
How to Choose an Air Purifier for a Hair or Beauty Salon
Choosing an air purifier for a hair or beauty salon? Compare particle filtration, carbon filters, room size and how air cleaning supports proper ventilation.
Air purifier for kindergarten and nursery - Klarta Stor
An air purifier in kindergarten and nursery schools contributes to a decrease in pollution by up to 50%. An air purifier in an educational institution makes sense, as...
Air purifier for a child's room - Klarta
Did you know that a child's immune system develops until age 15?A child's respiratory system is also more sensitive to air pollution while it is still in development....
Purifier and humidifier at work - why is it so important? - Klarta
57% of offices and workplaces worldwide face sick building syndrome. This promotes headaches and dizziness, scratchy throat, or dry and itchy skin. As a result, it distracts from...
Are Air Purifiers Worth It? 10 Reasons to Say Yes
Is an air purifier worth the money? Ten everyday situations where it makes a real difference, and what it can't do.
How does an air purifier work?
Contrary to popular belief, the operation of an air purifier is not complicated. Some people compare its functioning to that of a vacuum cleaner, except that it removes...
Nothing matched that.
Try “smoke”, “dust”, “humidity” or “CADR” — or clear the filter to see everything.
How we write
Sources before opinions
Air-quality claims are cited to published work — WHO guidelines, EPA guidance, AHAM's CADR method — never to our own marketing.
Who writes it
The team that builds the devices
The guides are written and edited by the team behind Klarta air purifiers and humidifiers.
What we will not say
No medical claims
Klarta devices are not medical devices and are not intended to diagnose, treat, cure or prevent any disease. Where filtration is only part of the answer, the article says so.
Mentioned in these guides
The devices the articles are about
Same three-stage filtration in both purifiers — choose on room size.
