Online educational resource on achieving indoor environmental quality with radiant based HVAC systems
Not for profit educational resource on indoor environmental quality.
 
educational programs on indoor environmental quality

Simplified and Idealized Illustration of a Portable Fan/Filter (CR) Box in a Classroom
Copyright (C) 2021, Robert Bean, ASHRAE Fellow & Distinguished Lecturer, Free use is granted when credited.

See also: How to set up an emergency isolation room inside a home or apartment for a suspected infected occupant.
 

This Version 7 is the most current. Free use is granted when credited. Edits included addition of UVGI see note 10.
 

 
 
 
 
 

The Corsi Rosenthal box...for less than $200 CDN you can build a portable fan/filter assembly that outperforms  the most expensive retail products available. I've lost count on how many I have made for family and friends...it takes less than 20 minutes to assemble...you need 1 box fan, 4 @ MERV13 Filters (equal to Filtrete 1900 or 2300), packing tape, scissors/knife...and your favourite beverage. Search online for videos and visit CleanAirCrew.org

 
 
 
 

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