The Sqair Air Purifier

Up to 40m² (430 sqft)

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The Sqair is the world’s most cost-effective air purifier. The Sqair packs a CADR of 315cbm/hr into a sleek, modern design, which fits perfectly in your bedroom, living room, or study. Never before has clean air looked so good.

Smart Air Pledge: 100% of profits go to providing more people with more clean air. 


The Sqair

Treat your body right, experience the cleanest air in the world.



What Makes The Sqair Special?

As a B-corp social enterprise helping the world breathe clean air, we designed the Sqair because we were tired of the gimmicks and BS from current air purifier companies. The Sqair gives you far more clean air at a fraction of the cost of the purifiers from those „big guys“.

How did we do this? We cut out the fancy marketing gimmicks such as ionizers and photocatalytic filters that science shows can actually make your air worse. We designed the Sqair for performance, not marketing ploys. The Sqair is data-backed and is excellent at one thing: cleaning air. And it does that better than its competition.

The Most Powerful Purifier In Its Class

Packing a powerful clean air delivery rate (CADR) of 315m³/hr, the Sqair generates more clean air than its competition. The Sqair is suitable for spaces up to 40 m² (430 sqft), the space of two large bedrooms.

Cleans a 40m2 room in just 25 minutes.

One of the Quietest Purifiers on the Market

On high, it sounds like soft rainfall. This is up to 13 decibels quieter than the hugely popular Xiaomi purifier, yet provides more clean air and costs less.

Blows the Competition Out of the Water on Both Price and Effectiveness

The Sqair gives you the most clean air per dollar of any purifier in the world. And it’s not really close.

More Clean Air, at a Fraction of the Price.

Captures over 95% of Viruses, Bacteria, PM2.5 and Other Dangerous Pollutants

Watch the pollution collect in your filter (instead of your lungs) and enjoy experiencing the cleanest air in the world.



     VOCs      Formaldehyde
      Paint odor        Smoke



    PM2.5     Dust Viruses
Allergen Pollen      Mold
*The carbon filter is an optional add-on. Not everyone needs carbon, so we let air-breathers choose whether they want carbon or not.

You’re currently viewing The Sqair — Standard Pack

Want to filter smoke and odors too? Check out The Sqair Chemical Warfare pack »

Sqair + HEPA
Chemical Warfare
Sqair + HEPA + Carbon

PM2.5, dust, allergens, viruses

PM2.5, dust, allergens, viruses

Chemicals, VOCs, odors, smoke

Chemicals, VOCs, odors, smoke


Three Things You Must Know About The Sqair:

1 Minimalist clean air

Simple 1 – 2 – 3 speed control for easy on-off

Sqair Minimalist European design
No hype, no markup   2

Clean air for an honest price. Crafted to increase effectiveness and lower cost

The Sqair gives no hype, no markup, just clean air
3 Simple and elegant

It looks the part. Warm and cozy European beechwood legs.

Sqair Simple Elegant design



Smart Air Sqair air purifier specifications
Your Purchase Includes 1 × Sqair Air Purifier (includes 1 × HEPA Filter), 1 × Detachable cord, 1 × Smart Air Handbook
Color Matte White
Dimensions L × W × H (cm) 33 × 33 × 37
CADR (m3/h) 65 – 180 – 315 (low – mid – high)
Noise Level (dB) 23 – 43 – 52 (low – mid – high)
HEPA Lifespan 6 months (1400hrs, running 8hrs per day)
Power Consumption (W) 6 – 18 – 38 (low – mid – high)
Power Supply 220 – 240V/50-60Hz/ Plug type:
Safety Certifications Smart Air purifier CE safety certificateSmart Air purifier CQC safety certificateCE Certified (LVD/EMC/RoHS) | CQC | GB/T 18801-2015 Certified
Recommended Room Size Up to 40m2 (430 sqft)
Shipping Weight 6.0kg
Product Manual Click to view the Sqair Manual

Which Purifier Should I Buy?

Choosing the right air purifier can be difficult for first-time buyers. Here’re some important things to consider:

1. Know Your Purpose

Do you have any particular needs? HEPAs are enough for allergies and asthma, but recent renovation may require a carbon filter.

2. Know Your Size

The Sqair purifier is ideal for bedrooms, but larger spaces like offices or hospitals may require the more powerful Blasts.

3. Know the Costs

The main costs of air purifiers are filter replacements. Different purifiers have different HEPA lifespans and costs.

Smart Air Family

DIY1.1 Sqair Blast Mini Blast
Room Size










Max Noise





HEPA Lifespan 4 months 6 months 13 months 22 months

The Sqair FAQs

Are Smart Air purifiers better than other air purifiers?

Smart Air purifiers use the same cleaning principle as most other air purifiers. The technology behind air purifiers is not complex, and readily available.

However, Smart Air is the only air purifier company committed to transparent communication through open-data. We avoid overcomplicating our air purifiers with high markups and marketing gimmicks. Smart Air purifiers are honest, data-backed, and streamlined to do one thing: clean air.

What room size is suitable for the Sqair?

The Sqair is recommended for rooms 40 square meters (430 sq ft) in area or smaller. Even in a 40 square meter room, the Sqair is able to clean all the air in the room over 3 times in just 1 hour on high.

For larger areas, consider multiple Sqairs or one of Smart Air’s professional air purifiers (the Blast or Blast Mini), which have a higher Clean Air Delivery Rate (CADR).

Why does the Sqair not have a pre-filter?

After conducting tests, we found that adding a pre-filter will reduce the CADR. Additionally, if the pre-filter is not replaced in time, it will cause the purifier to be louder and effectiveness to lower. Since the pre-filter will add trouble to the user, we decided not to add a pre-filter in the Sqair..

What is the difference between the Sqair and Sqair Chemical Warfare?
How Long Can a Sqair Last?

The Sqair is incredibly simple. This simple design means it’s built to last. When designing The Sqair, we stress-tested multiple Sqair’s by running them continuously for 10,000 hours on ‘high’. We’re confident The Sqair can last at least 10,000 hours, and normally even longer.

How to know when it is time to replace the Sqair’s HEPA filter?

We recommend replacing the HEPA filter every 6 months. But the truth is the exact time depends on many factors such as the amount of hours used and local pollution levels. The most accurate way to determine when to replace a HEPA filter is to use an air quality monitor. Learn More: How to use an air quality monitor to test a HEPA filter


Zusätzliche Informationen

Gewicht 7,5 kg
Größe 38,7 × 38,7 × 33,5 cm
Noise Level (dB)

23 – 43 – 52 (low – mid – high)

Room Size

Up to 40m² (430 sqft)

Power (W)

6 – 18 – 38 (low – mid – high)

HEPA Lifespan

1400 hours (6 months with 8 hours of daily use)

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Smart Air low cost purifiers

Smart Air ist ein soziales und B-Corp zertifiziertes Unternehmen das einfache, unkomplizierte Luftreiniger anbietet und kostenlose Aufklärungsarbeit leistet, um die Menschen vor den Gefahren der Luftverschmutzung zu schützen. Wir sind stolz darauf, das einzige B-Corp zertifizierte Unternehmen zu sein, das sich dem Kampf gegen Luftverschmutzung verschrieben hat.

Certified B-Corp air purifier company