> As others have said, try cooling a house with rads. It's not like North America is oblivious to radiators; they were very much a standard way of heating houses before the popularity of AC made forced air a much more logical choice.

I've always found the popularity of AC in the US bizarre, every single European who've traveled to the US in the summer and had to spend extensive time inside complained about the cold and quickly switched to long sleeves and trousers.