Can air purifiers be made from just a fan, furnace filters, and duct tape? Introducing the Corsi-Rosenthal Box (CR Box) DIY air purifier. This is an effective, budget-friendly air purifier that you can put together with low cost. At Smart Air, we’ve been creating, testing, and instructing people on DIY …
When I was coughing through Beijing’s airpocalypse and thinking about buying an air purifier, I wanted to know something first–do air purifiers really remove PM2.5? I wondered because I saw lots of air purifier tests on pollen, but pollen is generally 10 microns or larger, whereas I was really concerned …
Should air purifiers have the HEPA filter on the front or the back–is it better to push or pull air? The Smart Air lab in Beijing ran tests of the same fan with the HEPA filter on either side, and the results contradict most people’s intuition. When I made my …
In the shortage of masks during the coronavirus outbreak, individuals are resorting to what some scientists term as the “last resort”: the DIY mask. Data shows that DIY and homemade masks can effectively capture viruses. However, if we find ourselves in a situation where we need to create our own …
A lot has been going on with DIY air purifiers in the UK since we first created our DIY purifier. In this article, we share a few different DIY air purifier designs that can be made in the UK. Below are some of the DIY designs created by our UK …
DIY cloth masks to protect against viruses sounds like a crazy idea. Data shows masks work incredibly well, and they’re also really cheap. Surgical masks cost a few pennies, and they’re capable of filtering out 80% of particles down to 0.007 microns (14 times smaller than COVID-19). However, the COVID-19 …
New head-to-head test data from a citizen scientist finds that a simple, taped-together DIY air purifier effectiveness is higher than a market-leading Swiss air purifier, IQ Air. This data adds to an accumulation of data suggesting that effective air purifiers need not be expensive. The Setup The underlying science of …
In the rush to make homemade masks, many people are wondering whether reusable bags such as non-woven polypropylene plastic bags are effective at filtering viruses. These reusable bags are incredibly popular in places like Asia and Africa, where they are a common alternative to flimsy plastic shopping bags. Why Non-Woven …
In a recent study, researchers tested household materials that could be used to make DIY masks, but they left out one common material—paper towel masks (also called “kitchen paper”). Could paper towel be an effective material for making homemade masks in times of crisis and shortages? Smart Air Engineer Paddy …
