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Corsi-Rosenthal Box DIY Purifier: 4 Things to Know

A fan, furnace filters, and some duct tape–can air purifiers be that simple? Meet the Corsi-Rosenthal Box (CR Box) DIY air purifier. The Corsi-Rosenthal Box is a powerful, low-cost air purifier that you can put together on the cheap. At Smart Air, we’ve been building, testing, and teaching people how …

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Why You Should Never Use Your Air Purifier’s Auto Mode

Many air purifier companies add fancy features to help market their products.  One of these features is an air purifier auto mode, also called “smart mode”. The problem? Test data shows an air purifier’s auto mode routinely fails, leaving users with dangerous air. The idea behind smart purifiers’ auto mode …

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Best Air Purifiers in Thailand [2022 Review]

Air pollution and COVID-19 have led to a boom in air purifiers in Thailand. But with so many options, it can be difficult to determine the best air purifier. In this article, Smart Air breaks down the top-selling air purifiers in Thailand to see which purifiers get you the most …

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Portable Air Purifier Review: QT3 vs. the Competition

The QT3 is the newest addition to the Smart Air HEPA air purifier family. It’s small, compact, and lightweight, which makes it great as a portable air purifier. But it’s not the first ‘portable’ air purifier on the market. So how does the QT3 portable air purifier compare with existing …

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Does the QT3 Portable Air Purifier Work?

The QT3 is a small, portable air purifier designed to provide a bubble of clean air on the go. Even though the QT3 is not designed for cleaning entire rooms, our tests show it is effective at cleaning small rooms up to 15 m2. That raises the question, is the …

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Can the QT3 Air Purifier Clean a Whole Room? Real World Test

The QT3 air purifier is a light and compact air purifier, designed to clean a pocket of clean air around its user. But how well does it clean an entire room? Smart Air ran a series of tests in our office meeting room to find out.                                          The QT3 Air Purifier …

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Are CO2 Monitors Accurate?

High CO2 levels negatively affect wellbeing and productivity and strongly correlate with disease spread. Thus, particularly during the COVID-19 pandemic, measuring indoor CO2 levels is useful. Popular CO2 monitors include the IQAir AirVisual Pro and Kaiterra Laser Egg + CO2. But how accurate are these CO2 monitors? Smart Air conducted …

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Smart Air is a social enterprise that creates simple, no-nonsense air purifiers 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.