Thinking about getting an air purifier. Given that half of my followers are huge nerds living in various wildfire-smoke-affected cities, it occurs to me that you might have opinions on this topic.
What should I get?
Come on, surely one of you owns one of these. Save me the work of reading a bunch of reviews online.
Build a cube of MIRV 13+ filters and a box fan. Much cheaper than a freestanding air purifier.
Alternatively, if (like me) you live somewhere where high-grade furnace filters are very expensive, go to IKEA and get some air purifiers from them.
The Förnuftig has a carbon filter and is wall-mountable, but (at least in Canada) you have to go to an IKEA store in person to get one and it’s over an hour’s drive away, so instead I got some Uppåtvinds which they’ll ship to you. They’re 50 CAD upfront and they take $6.50/year in electricity (at a weighted-average time-of-use cost of 9.27 cents per kWh) and $10/year in particle filters, vs my previous air purifier’s maintenance costs of $41.41 and ~$35 respectively. (Sure, the old one had a higher CADR, but only 23% higher: I could buy *two* of the smaller IKEA ones and still come out ahead on cost fairly quickly.)
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Brinens and Things 