Florida is uninhabitable with A.C.
Washington DC in uninhabitable without AC!
Get the popcorn—this should be fun to watch.
It can be done. Grew up in Miami circa 40's,50's, 60's, didn't have air conditioning until I got married. High schools weren't ACed either. It was rough but can be done.
On the other hand, back then there was much less construction between the Bay and inland. Today with all the bldgs a sea breeze never reaches inland.