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Is there a reason you can’t just recirculate through a HEPA filter? They capture viruses AFAIK. Seems easier than recovering exhaust heat and refilling from out
by theptip 6y ago
Is there a reason you can’t just recirculate through a HEPA filter? They capture viruses AFAIK. Seems easier than recovering exhaust heat and refilling from outside.
- peteretep 6y agoNo reason at all. That's basically how most existing air purifiers work, they're a big fan attached to a HEPA filter.