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Smart Air Knowledge Base
  • About
    • Why we started Smart Air
    • Our Mission: What We Do
    • Meet the Smart Air Team
    • Why People Trust Smart Air
  • Learn
    • Knowledge Base
    • Clean Air Blog
    • Workshops
    • Press Release
  • Products
    • Air Purifiers
      • QT3 Portable Air Purifier
      • DIY 1.1 Air Purifier
      • The Sqair Air Purifier
      • SA600 Air Purifier
      • Blast Mini Mk II Air Purifier
      • Blast Mk II Air Purifier
    • HEPA Filters
      • QT3 HEPA Filter
      • Cannon HEPA Filter with Pre-filter
      • DIY HEPA filter
      • Sqair HEPA Filter
      • SA600 HEPA Filter
      • Blast Mini HEPA Filter
      • Blast HEPA Filter
    • Carbon Filters
      • DIY Carbon Filter
      • Sqair Carbon Filter
      • SA600 Carbon Filter
      • Blast Mini Carbon Filter
      • Blast Carbon Filter
    • Air Quality Monitors
      • CO2 Monitor
      • QP Lite Air Quality Monitor
      • QP Pro Air Quality Monitor
      • AirVisual Pro Air Pollution Monitor
  • Impact
    • Smart Air impact
    • We’re a B-Corp!
  • Business
    • Offices & Corporates
    • Schools & Universities
    • Hospitals
Knowledge Base      Smart Air Purifiers      DIY Air Purifier

Table of Contents

Air Quality Information
Is Beijing's Air Better in Summer?
Did Delhi’s Air Quality Improve in 2018?
Beijing Sees Worse Pollution During Coronavirus Shutdown?
What Is the Air Quality of Chengdu in 2016?
Did China's Air Quality Becomes Better in 2018?
Air Quality Monitors
Can one Sqair Purifier be Used to Clean Two Rooms with a Combined Floor Size 40sqm?
How Can I Check If an Open Window Is Affecting My Air Purifier’s Effectiveness?
Why Can't I View Historic Data on QP Pro If It Isn't Connected to Wifi?
Which Particle Counter Should I Get?
Why The Carbon Filter Has Little Impact on The Indoor tVOCs According to QP Monitor?
Orders & Shipping
How Are the Shipping Fees for Taiwan and Macau Calculated?
How Do I Issue an Invoice?
Which Countries Does Smart Air Have Stores and Local Distributors
Is There a Local Distributor in My Country?
What Should I Do If No Shipping Cost Shows up for My Country When Checking out?
Protecting Yourself
Do We Need Car Air Purifiers?
What Is PM0.3 and Why Is It Important?
Where Am I More Likely to Catch COVID-19?
Air Purifiers
Can the Carbon Filter Be Reused?
Is a Cheap HEPA Reliable?
Why a Weaker Filter Actually Makes a Stronger Purifier
What's the Best Way To Tell When a HEPA Filter Needs Replacing?
What's the Difference between Pellet-style and Foam-style Carbon Filters?
Clean Air Movement
What Is the Clean Air Movement?
How to Participate in the Clean Air Movement?
What Are the Recommended Air Changes per Hour for Restaurants?
How Can I Improve the Air Changes per Hour in My Restaurant?
What are the Harms & Disadvantages of Air Pollution?
Masks
Can Masks Protect People From the Coronavirus?
How Can Dental Clinics Protect Against COVID-19?
Can Flattened HEPA Filters Work as Homemade Masks?
Can I Use a Polypropylene Bag for DIY Face Mask to Fight COVID-19?
What’s the Difference Between N95 and KF94 Masks?
Smart Air Purifiers
Why Don't I Feel Air Coming Out From DIY Air Purifier?
Can Carbon Filters Remove Patient Odors from the ICU?
Why Is So Little Air Coming Out Of My QT3 Air Purifier?
How is a HEPA Filter's Lifespan Calculated?
Blast & Blast Mini
Where Should I Place the Blast or Blast Mini in My Home?
Will the Wheels of the Blast and Blast Mini Damage a Wooden Floor?
Is the Xiaomi Fresh Air Ventilator Similar to the Blast in Principle and Efficiency?
Can The Blast and Blast Mini be used in my Bedroom?
Will There Be Current Leakage From the Blast and Blast Mini?
DIY Air Purifier
What Is the Size of the DIY?
What Filters Can I Use With the DIY?
How Long Is the DIY Strap?
Why There Are Weird Noises Coming From the DIY?
Why Is the Carbon Filter Quieter Than the HEPA Filter?
General Questions
Does Smart Air Recycle Filters?
How Often Should the Filters to Be Replaced in my Air Purifier?
Why Do My HEPA Filters Smell?
Why Not Use a Higher Grade HEPA Filter?
What's the Charcoal Net Weight in the Carbon Filter of Each Product
Sqair Air Purifier
How Much Noise Does the Sqair Produce on Each Level?
What Is the FSC Certification?
Do the Auchan Qilive Q.6815 and the Smart Air Sqair Have the Same Performance?
How Big Is the Sqair's Packaging?
Why Does the Sqair Have Wooden Legs?

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DIY Air Purifier

  • Why There Are Weird Noises Coming From the DIY?
  • How Often Should the Filters to Be Replaced in my Air Purifier?
  • Is the DIY Really Effective?
  • How Often Does the DIY's HEPA Filter Need to Be Replaced?
  • What Is the Airflow Direction of the DIY?
  • Which Side of the DIY Should the Filter Be Attached To?
  • Does the DIY Wind Direction Affect the Purification Efficiency?
  • Why Doesn't the DIY Have Laboratory Test Data?
  • What Are the Specifications of the DIY?
  • How High Is the DIY's Voltage Level?
  • How High Is the DIY's Power?
  • How Heavy Is the DIY?
  • How Long Is the Power Cord?
  • What Is the Size of the DIY?
  • What Filters Can I Use With the DIY?
  • How Long Is the DIY Strap?
  • Why Is the Carbon Filter Quieter Than the HEPA Filter?
  • What's the Charcoal Net Weight in the Carbon Filter of Each Product
  • How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
  • What's the Airflow of DIY 1.1?
  • What Kind of HEPA Filter Should I Buy for My DIY Air Purifier?
  • How Do You Make HEPA Filters?
  • Can I DIY an Air Purifier Using a Round Standing Fan? Should I Be Concerned About a Square Filter on a Round Fan?
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Smart Air is a social enterprise and certified B Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution.

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