In the hot part of summer during the daytime, you absolutely must unless you live underground or in a wind tunnel. Then there's also another lesser-known effect of climate change: the average nighttime lows get higher faster than the daytime highs. I have no doubt this phenomena will also catch the Texas grid with its pants down in the future as well, as "unexpected" demand during off hours grows.

https://www.sciencedaily.com/releases/2020/09/200930194912.h...