I recently stayed in an apartment that didnt have central air so I created a corsi-rosenthal box since the smoke from the Canadian wildfires were so bad.

After 30 days of continuous use, with very minimal periods of it being turned off, this is what the filters look like!

It’s disgusting yet also so satisfying to see the filters get darker from debris, dust, and dirt.

Edit: typos

  • huppakee@feddit.nl
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    18 hours ago

    Someone posted a link to Wikipedia in the comments, came across their names:

    Richard Corsi, an environmental engineer and the incoming Dean of Engineering at the University of California, Davis

    Jim Rosenthal, the CEO of filter manufacturer Tex-Air Filters