If you want the better sound but don't care about the purifier, then get a DOHM sound machine. It uses a fan and sound great, and I'd guess the energy consumption is pretty trivial.
replythis feels like a 'dose makes the poison' scenario. you're talking about maybe $10 of difference annually if both were run continuously. and that's only if you bought an inefficient air purifier - if you elected to use, for eg, four Arctic P14 PSTs in a CR box then that's maybe double the kWh. this ends up being a couple of bucks more annually for the added benefit of having better air quality
replyI think $10 is too low an estimate.
replyAn AirFanta 3Pro on low (2) is 5W, which is $10 on average (but more like $15 in high $/kWh places like MA and CA).
replySome people are paying north of 0.50€/kWh (after tax), so this amounts to 22€ annually.
replyThe point stands. If you care about this, it's a personal choice whether that comfort is worth ~20€. I would wager many people say it is.
swamps everything except for the health benefits
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