I'm from FL and I remember houses used to be built to help with the heat. It was still hot, but you'd have porches and eaves to block the sun and windows situat

I'm from FL and I remember houses used to be built to help with the heat. It was still hot, but you'd have porches and eaves to block the sun and windows situated such that you could open them to create airflow through the house. Now, everything is a sealed box so AC is absolutely necessary.