Calculating CADR of an air purifier is not a simple task. That is why some use a shortcut to calculate the CADR by multiplying an air purifier’s airflow by its filtration efficiency. The problem? Calculating CADR from an air purifier’s airflow is not a reliable way to calculate CADR. This …
When buying an air purifiers, the terms ‘airflow’ and CADR are often used interchangeably to describe an air purifier’s performance. But what’s the difference between CADR (clean air delivery rate) and airflow? Are they the same thing? Or which one – CADR vs. airflow – should be used when buying …
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 …
Health Magazine recently listed the Smart Air Blast Mini air purifier as a product you need for a healthier home in 2022. The Blast Mini, unlike most air purifiers on the market, is powerful enough to clean multiple rooms at once. This makes the Blast Mini air purifier perfect for …
What is the meaning of that number displayed on your air purifier? Many popular air purifiers including Xiaomi and Phillips display live air quality readings. But what exactly do these numbers mean and are they even accurate? In this article, we break down everything you need to know about that …
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 …
Small, wearable air purifier necklaces have become popular to protect against viruses and other pollutants. They’re small, lightweight, portable, and fairly cheap. Here’s one personal air purifier on Amazon claiming to eliminate germs, dust, viruses, COVID-19, and more from the air. In the Philippines, President Duterte has been seen wearing …
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 …
Air purifier and pollution jargon can seem to be endless. AQI, CADR, PM2.5, PM10 VOC, ACH, AHAM, and more. What do all of these weird acronyms mean? In this article, we break down all of the most important acronyms you need to know about air pollution and air purifiers. Air …
Air purifiers come in all different sizes, so how can you know what size air purifier you need? In this article, we break down the three steps to know what size air purifier you need and how a metric called CADR can help with this. Step 1: Measure Size (Volume) …
