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

BlameThePeacock@lemmy.ca ⁨9⁩ ⁨months⁩ ago

Not as many as you think, a water heater only has 3 times the electrical capacity of a standard wall outlet. So probably less than 6 Keurigs, but you’d need them on three (or more) separate circuits otherwise you’d blow the breakers.

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RankWeis@sh.itjust.works ⁨9⁩ ⁨months⁩ ago
Thank you, I love the internet. Was discussing this with my roommate and didn’t know where else to ask!

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- tmRgwnM9b87eJUPq@lemmy.world ⁨9⁩ ⁨months⁩ ago
  Just to add: they should not be chained, but they should run in parallel.
  
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  - erusuoyera@sh.itjust.works ⁨9⁩ ⁨months⁩ ago
    Unless you are trying to run a steam turbine.
    
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Qwazpoi@lemmy.world ⁨9⁩ ⁨months⁩ ago
If we’re looking into their heating capacity they should be able to heat approximately 7 and 1/2 gallons of water an hour. A lower end water heater can supply about 85 gallons of water per hour so you’d need about 11 of them to meet a small house capacity.

If we’re looking at their water holding capacity and power consumption. The average house has a 40-60 gallon water heater and a Keurig has a 48oz reservoir. 10 Keurigs would give you around 4 gallons of hot water. You would need 107 to get to a 40 gallons capacity. When heating they use 1500 watts according to the Internet, so you’d need 160,500 watts (or 1,345.75 amps) of Keurigs to be the equivalent of a low end water heater for a house. The average 40 gallon heater uses between 4500 and 5500 watts.

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- AstralPath@lemmy.ca ⁨9⁩ ⁨months⁩ ago
  I get real Technology Connections-guy vibes from this response. Thanks for the math stranger :)
  
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mojo@lemm.ee ⁨9⁩ ⁨months⁩ ago
You say between 6 and 10, the other commenter said 427. I don’t know what to think!

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- Ottomateeverything@lemmy.world ⁨9⁩ ⁨months⁩ ago
  The other one is just comparing volume.
  
  This post is just basing it on heat capacity.
  
  There’s another saying 34 equating it to a tank less heater.
  
  The original question is too vague - there’s no one to one mapping between keurigs and water heaters. If you’re just trying to heat your houses hot water, any of those answers are valid. So is “1”. It’s just a question of what you REALLY want and what your constraints are.
  
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  - RankWeis@sh.itjust.works ⁨9⁩ ⁨months⁩ ago
    I read once that if you’re trying to get some creativity juices flowing, removing unnecessary details will allow for more abstract thought. Like “write a story about an ogre” would lead to very different stories than “write a story about an ogre doing pushups”, even if the latter is probably arguably more funny.
    
    So that was my thinking here about being a bit vague, I was specifically talking about tankless water heaters which got us on the subject though.
    
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    Ottomateeverything@lemmy.world ⁨9⁩ ⁨months⁩ ago
    Oh I totally get you, and it leads to more interesting perspectives and discussion for sure. I don’t mean to insult your question by calling it vague - the person was just saying they didn’t know what to believe among multiple answers and who was right, and I was pointing out that a vague question has multiple different answers. Didn’t mean it to come off as insulting your question.
    
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    fmstrat@lemmy.nowsci.com ⁨9⁩ ⁨months⁩ ago
    The problem with this answer will always be volume. 6 of them would be one really quick shower.
    
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