No: Measured by Underwriter’s Laboratories, Inc. Smart Air has been doing the same thing since 2013 – only 5 had issues, most likely issues with the fan motor itself, not the load. There were no actual fires.
added to new faq
Sure, they are. They have to be to enable you to breathe. But – if you catch CoVid, you literally drown in the mucus created in your lungs. Speaking of drowning – your lungs process over 2,000 gallons of air,… Read More »But my lungs are tough! (A quick discussion of how much work your lus do )
Yes – it removes aerosols from the air. How well does it work? Very well. “It is the most cost effective purifier on the chart.” – this evaluation is from Dr. Zaatari, who regularly publishes an easy-to-understand chart that simplifies… Read More »Does the Corsi/Rosenthal Box work?
Because they have been studied, and found to be very effective at removing aerosols from the air: Classrooms: “…our study shows that box fan air cleaners can serve as an effective low-cost alternative for mitigating airborne transmission risks in poorly ventilated… Read More »How do I know air cleaners even work?
Won’t a portable air filter (cleaner) just move the air with contaminated aerosols around to infect more people?
Per Dr. Poppendieck “I actually love this question because it shows the person has thought about what we intuitively understand about our indoor environment. We generally don’t feel the air move indoors. Humans can sense air movement down to about… Read More »Won’t a portable air filter (cleaner) just move the air with contaminated aerosols around to infect more people?
SARS-COV-2, the virus that causes CoVid, is actually carried by respiratory aerosols. Portable air cleaners (also called air purifiers and air filters), work by pulling air through high-quality filters. As the air cleaner pulls air in with the fan contained… Read More »Why use an air cleaner? The air doesn’t look dirty, and I can breathe easily?!
Put on your N100 elastomeric respirator (more comfortable than N95). Does not have to be N100 – just better masks work…better. Carefully, pick up the Corsi/Rosenthal box and gently take it outside. Carefully cut the filters apart, gently peel it… Read More »How do I dispose of the filters?
I’m sorry, you do still need to wear a mask. Why? For the same reasons Health Care Workers continue to get infected in hospitals which have excellent ventilation with 6 Air Changes Per Hour. Ventilation cleans up far-field aerosols (>6… Read More »Do we need to wear masks even though we have a couple of air cleaners?
Always refer to the manufacturer’s specifications. But a general rule of thumb is: If used during smoke season, 3 months. If during regular usage, 6 month. Additional details on MERV 13-A filters which for sure will are the ones that… Read More »How long do the filters last?
You can build one of these for just under $100, and it will help significantly remove respiratory aerosols that contain SARS-COV-2 from the air. We recommend at least 2 of them in a normal sized classroom. $200. Keep in mind… Read More »How expensive is the Corsi/Rosenthal Box?
These are pictures of each tweet of someone who has built a CR Box, and all are linked to the actual tweet. This is by design so that you can click on the tweet, and ask any questions you might… Read More »Hall of Fame of Corsi/Rosenthal Boxes – or ideas for your own box!
A simple question, but can be a complicated answer. Try not to place next to a wall if possible. You want air flow. If you know who’s infected, next to them (typically placement in a patient’s hospital room). If you… Read More »Where should it/they be placed in the room?