this post was submitted on 26 Jan 2026
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Mildly Interesting
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This is for strictly mildly interesting material. If it's too interesting, it doesn't belong. If it's not interesting, it doesn't belong.
This is obviously an objective criteria, so the mods are always right. Or maybe mildly right? Ahh.. what do we know?
Just post some stuff and don't spam.
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HVAC is one type of central heating system. I mean, your link has 'centeal heating' in the name.
So is a centralized system that uses steam to heat disconnected buildings.
Go find a definition of central heating that doesn't include heating more than one location or rooms.