Air purifiers are devices that remove pollutants from the air and improve air quality. Air purifiers do this either mechanically, using air filters, or using ionizers or chemical reactions. Read more to learn about air purifiers, how to choose the best air purifier, and how they can protect against viruses, wildfire smoke, air pollution and PM2.5.
For many years, Xiaomi air purifiers have been one of the better value air purifiers in many markets around the world. Unfortunately, Smart Air’s 2023 review of the new Xiaomi Smart Air Purifier 4 found the Mi 4 comes with a potentially dangerous technology. Xiaomi Mi 4 Air Purifier: What’s …
1. Who Is the SA600 Designed For? The SA600 is designed to clean larger spaces in your home that would be too large for a typical room air purifier. These areas include living rooms, kitchens, basements, and other public areas. With this in mind, we designed the SA600 to look …
Tech companies love to talk about how automation, internet of things, and the connected house are going to make the machines we use every day more convenient. But does it work? Anyone who’s used Apple’s Siri or “talk to text” feature knows that the promises of technology sometimes fall short …
Recently I discovered thousands of people ask Google “What do air purifiers do?” and “How do air purifiers work?” each month. Ten years ago, Smart Air’s founder and University of Chicago Professor Thomas Talhelm had these questions too. In fact, these questions ultimately led Thomas to create Smart Air and …
The term “HEPA filter” can be confusing. What does HEPA stand for? What is a HEPA filter made from, and what actually makes it a HEPA filter? What is a HEPA Filter? “HEPA” stands for “high-efficiency particulate air” (filter). It sounds complicated, but HEPA air filters are nothing fancy. They …
A peer-reviewed study from the University of Texas finds that ionizers increase air pollution, creating formaldehyde, ozone, and particulate. This data contrasts sharply with claims from air purifier companies that market ionizers as magical machines. One company in China claims that their machine’s negative ions “remove PM2.5 particulate pollution and …
What are ionizer air purifiers and do they work? This is an important question because ionizer air purifiers are all over the place. For example, I was at a friend’s apartment in the US, and I saw his tower fan air purifier had an ionizer button on it: Ionizer air …
Blueair air purifiers such as the Blueair Blue Pure 211 and 411 models are some of the most popular air purifiers on the market. Yet there is confusion about whether Blueair air purifiers use ionizers and produce ozone. In some sections of their website, Blueair avoids answering the question directly, …
Many air purifiers on the market include built-in air quality monitors to help users get a picture of their air quality. Unfortunately, there are a variety of issues with these built-in sensors, which is why we recommend using a stand-alone, portable air quality monitor. Apart from these issues, adding these …
Air purifiers in classrooms are more and more common due to the pandemic to reduce virus spread. Unfortunately, most classrooms do not get the full benefit of air purifiers because most of the time teachers end up turning them off or down! Why Are Teachers Turning Air Purifiers Off? In …
