“eureka!
finally found numbers on how many air purifiers it takes to approximate the protection of an N95 — the magic number is apparently
⭐️ 12 air changes per hour ⭐️
which means you can calculate the CADR you need by measuring the volume of the room and using the ACH formula”
“RESULTS: The fan ON was almost as good as wearing a well-fitting N95 (vs fan OFF):
95%, 94%, and 96% REDUCTIONS seen with aerosol measurements when mannequin was UNDERNEATH the fan.”
Your guide to stopping COVID in your home 🧵
What you need to know to protect yourself.
Table of Contents How it spreads, preparing your house, humidity, symptom onset, positive test, isolation room, your furnace, sharing rooms, masks, filter location, exit.
1/21
Inspired by @ughberta's great illustration, I started this editable page all about the Corsi-Rosenthal Cube. With wildfires and delta, everyone should know about this simple, cheap way to have safer air. https://encycla.com/Corsi-Rosenthal\_Cube /cc @JimRosenthal4
@CorsIAQ
@kprather88 @caruzycki
Fun & fab video on building a #CorsiRosenthalBox by @geoffberner
#CleanAir #Ventilation Full video 👇👇👇 in Geoff's tweet
All of these families had Covid show up AT HOME, with one family member - and infect no one else.
And all of them had #CorsiRosenthalBoxes at the heart of their #CleanTheAir plan.
Now? A new thread to help weave this tapestry of #CleanAir with #HEPA.
HEPA, HEPA, HEPAAAAS! Quote Tweet Lazarus Long @LazarusLong13 ·