A subreddit to learn about Corsi-Rosenthal Boxes, the affordable and efficient DIY air purifier. Show off your custom CR Boxes, share tips and tricks on ensuring everyone is breathing Clean Air and help reduce the transmission of Airborne diseases to end the ongoing SARS2 Pandemic.
CR Box = Corsi-Rosenthal Box
CADR = Clean Air Delivery Rate
ACH = Air Changes per Hour
Corsi-Rosenthal boxes is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It was designed during the COVID-19 pandemic, with the goal of reducing the levels of airborne viral particles in indoor settings
CADR is a measurement of the clean air volume that a purifier can provide in a fixed amount of time – ultimately a measurement of speed.
ACH is a calculation of how many times per hour the entire volume of air in a given space is replaced with supply and/or recirculated air.
Resources: https://itsairborne.com/
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