Eli5: How does a hotel always have hot water for every occupant?
In: 1975
german chimney sweep here. we check everything that got a flame and is bolted down. we have 1 hotel in our district that got a whole shopping mall in the same building. they got 3 giant, 2 stories high, water tanks that each get heated by a 1500KW Gas burners. the tank volume is so large that every hotel guest can take a long shower in the morning without the temperature in the tanks going below 70⁰C but that usually doesn’t happen so the tanks stay at ~85⁰C 24/7. every time the temperature drops a few degrees the burners fire up till 85⁰C is reached again. if space like that isn’t available the only other solution i’ve seen is electrical waterheaters in every hotelroom that turn on every time you turn on hot water.
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