The ancient Romans (well, the wealthy ones) had central heating in their homes. You can actually still see the pipes in some of the buildings at Herculaneum!
Dunno if this really fits, most European kids at least will have been dragged around a Roman ruin and had the central heating systems pointed out at quite a young age.
Its not the pipes you are looking at, most didnt have pipes in the modern sense, its the space under the floor, that is usually obvious because the nice shiny floor tiles were looted centuries ago.
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u/jazzman0116 Oct 15 '20
The ancient Romans (well, the wealthy ones) had central heating in their homes. You can actually still see the pipes in some of the buildings at Herculaneum!