Skip to content
Smart Air Knowledge Base
  • Home
  • About
    • Why we started Smart Air
    • What in the world is Smart Air doing?
    • Meet the clean air team
  • Learn
    • Knowledge Base
    • Clean Air Blog
    • Workshops
  • Impact
    • Smart Air impact
    • We’re a B-Corp!
Smart Air Knowledge Base
  • Home
  • About
    • Why we started Smart Air
    • What in the world is Smart Air doing?
    • Meet the clean air team
  • Learn
    • Knowledge Base
    • Clean Air Blog
    • Workshops
  • Impact
    • Smart Air impact
    • We’re a B-Corp!
Knowledge Base      Smart Air Purifiers      General Questions

Table of Contents

Air Quality Information
Is Beijing's Air Quality Worse During Winter?
How Long Will Formaldehyde Off-Gassing Last?
Did India’s Air Improve in 2019?
How's the Air Quality Air in Ulaanbaatar, Mongolia?
Did Mumbai’s Air Quality Improve in 2018?
Air Quality Monitors
If I Open the Window, Should I be Worried about CO2 Entering My Room?
What Type of Measuring Device or Monitor Should be Used to Detect if Air Quality is Safe?
Why Can’t Monitors Measure PM10 or PM1 or PM2.5? How Can You Tell How Accurate a Monitor Really is?
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?
Orders & Shipping
Can I Buy From Your Global Store if There Is a Smart Air Local Distributor or Branch in My Country?
How Is Hong Kong's Shipping Fee Calculated?
How Is the International Shipping Fee Calculated?
How Are the Shipping Fees for Taiwan and Macau Calculated?
How Do I Issue an Invoice?
Protecting Yourself
How Does Air Pollution Affect Your Heart?
Can We Measure Air Pollution by Looking at the Color of the Sky?
Air Purifiers
What Size Particulate Matter Does HEPA Remove?
How Do I Know if My DIY Air Purifier Works?
What Combination of Air Filters Do I Need to Protect Against Everything?
Can I Install HEPA Filters onto my Centralized HVAC Air System?
How Do I Calculate My Air Purifier’s Air Changes per Hour Or Equivalent Air Changes per Hour?
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
Do Pollution Masks Really Work?
What Are Some Good Materials for Making DIY Masks?
My 3M 9502 N95 Mask Has A Poor Seal Around The Nose, Are There Any Ways to Improve?
Are Japanese Pitta Masks Effective Against Air Pollution?
95 Masks vs. Surgical Masks: Which Is Better at Preventing the Coronavirus?
Smart Air Purifiers
Can an Invoice Be Issued?
How Long Do the HEPA Filters in Smart Air Purifiers last, and Where Can I Order New Replacement Filters?
Will Humidity Affect the Performance of HEPA Filters?
Blast & Blast Mini
How Big Is the Surface Area of the Blast and Blast Mini HEPA Filter?
How to Change the Filters for the Blast and Blast Mini?
What Materials Are the Sqair and the Blast Made From?
Are the Blast and Blast Mini Quiet?
Do You Have a PDF Manual for the Blast and Blast Mini?
DIY Air Purifier
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?
General Questions
Why Can’t CADR Values over 800m3/hr or 450cfm Be Measured Reliably?
Is the Xiaomi Fresh Air Ventilator Similar to the Blast in Principle and Efficiency?
Are Carbon Filters Recyclable?
Does Smart Air Recycle Filters?
How Often Should the Filters to Be Replaced in my Air Purifier?
Sqair Air Purifier
The Sqair's Power Cable Is Detachable, So Can I Switch It With Another Cable?
Why Is the Size of the Sqair's HEPA and Carbon Filter Different?
Is the HEPA and Carbon Filter Pre-Installed in the Sqair?
Why Make the Power Cable Detachable From the Sqair?
Why Is There No Pre-Filter in Front of the HEPA Filter for the Sqair?

About Us

  • Who We Are
  • Our Impact
  • B-Corp & Social Enterprise
  • Jobs at Smart Air
Password Protected

Nope
Yep, that's right!

General Questions

  • 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
  • How Much Activated Carbon by Weight Is There in Smart Air Purifiers?
  • What Are the Package Dimensions of Smart Air Air Purifiers
  • Are Carbon Filters Recyclable?
  • What is the CFM of Smart Air's Filters?
  • Does HEPA Filter Efficiency Decrease Over Time and With Age?
  • Can I use a Humidifier Together with My Air Purifier?
  • What's the Difference between Pellet-style and Foam-style Carbon Filters?
  • Is the Xiaomi Fresh Air Ventilator Similar to the Blast in Principle and Efficiency?
  • Why Can’t CADR Values over 800m3/hr or 450cfm Be Measured Reliably?
  • Does Smart Air Recycle Filters?
Smart Air low cost purifiers

Smart Air is a social enterprise that creates simple, no-nonsense air purifier and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

Certified B-Corp air purifier company

About Us

  • Who We Are
  • Our Impact
  • B-Corp & Social Enterprise
  • Jobs at Smart Air

Air Purifiers

  • The Sqair Air Purifier
  • Blast Air Purifier
  • Blast Mini Air Purifier
  • HEPA Filters

 

Open Data

  • Clean Air Articles
  • Knowledge Base
  • Clean Air Workshops

 

Get In Touch

  • Contact Smart Air
  • Become a Distributor

 

© 2023 Smart Air. Made freely available under CC BY-NC-SA-4.0
Change Region