How many keurigs would I need to daisy chain together to replace a water heater in an average house?

RankWeis@sh.itjust.works to No Stupid Questions@lemmy.world – 157 points –
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12 ounces in a Keurig.

5120 ounces in a 40 gallon hot water heater.

Around 427.

Except you don’t need all 40 gallons at once.

You only need to match the flow rate out of the shower head.

It would still be a hell of a lot of Keurigs for a 10-minute shower.