this post was submitted on 08 Oct 2024
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Don’t waste your money on anything that doesn’t have a HEPA filter, that’s the golden standard.
Make sure you’re doing a bit of math on how much air purifying power you need, what works for a 100 sq ft room with an 8 ft ceiling is going to be insufficient in a 400 sq ft room with a 10 ft ceiling.
Fortunately, someone has made a nice calculator for that here.
Winix and Honeywell have been good brands in my experience.
+1 for Winix. I’ve had several of the 5500-2 units for 2-3 years now. They do a good job and I appreciate that they have HEPA + charcoal filters so eliminates more than just particulates. My main complaint is that the lights don’t fully turn off at night so I always have to cover them with something (usually a T-shirt). Otherwise I really like them.
get yourself a roll of black electrical tape and cover up all the LEDs and brand logos in your place.
HEPA filters may not be necessary - it seems that homemade air purifiers with standard filters can outperform them in clean air delivery rate, arguably the most important factor for a purifier. The air may not be as clean with each pass through it, but it'll move much more air.