[OptionOfT]

I live in Phoenix. In summer AC is set to 84F, and in winter we heat to 78F.

Humidity does a lot.

As I've posted before:

115C with 10% humidity (71.66F wet bulb) here is hot, but as long as you have water, you're better off here than in Florida with 85F at 90% humidity (87.46F wet bulb).