> The UK typically doesn't need air conditioning, so why would people spend money on it? Yes, I know this recent summer was exceptionally hot but people don't react that quickly to changes.

We are? It’s becoming more common and we had a few bad summers and earlier this year too. The heat wave a few years back killed my dad.

Given there’s a push to swap heating systems for more efficient ones, air con units are being looked at a lot more.