eli5, how does a city hot water system work? How does hot water remain heated while traveling through pipes to our faucets?

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Hello everyone, recently my city has been doing some repairs to the city’s hot water system and i was without hot water for about 3 weeks.

That got me wondering, how exactly does this work? I read something about a heating agent but i don’t know what that means. And how does the water stay hot while travelling from the place it gets heated to our homes?

Thanks!

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17 Answers

Anonymous 0 Comments

Where I love we have a water-to-energy plant that provides steam heating and hot water to adjacent buildings but it is not a city wide system.

In my old city they had steam pipes from central boilers that ran under certain streets to keep them from icing over when it was very cold since the city has a lot of steep hills.

In Reykjavik, they literally just pump hot water out of the ground and deliver it to homes.

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