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by typh00n 882 days ago
Xiaomi air purifiers do exactly that. Go by hours used.

At least in the older Version 3 that was still the case.

1 comments

Apparently people still buy them, because they are cheap. It's the same with printers - the initial purchase price is low, then the consumables are expensive.

People really need to include the running costs into their calculations. The best deals aren't usually the cheapest machines.