1895
Ancient Iran had air conditioning
(lemmy.world)
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People in the UK are installing air cons, because most houses are very bad and have no insulation.
This is not true? L1A, L1B, L2A, and L2B exceed american insulation regulations by a huge amount, and they exceed the EU regulations as well. I did some roofing once upon a time.
Most houses in the UK are not new builds, that's the issue.
Some US states solve this by making it illegal for a roofer to re-roof an uninsulated roof without adding insulation.