AC dehumidifies, if there would be any condensation, it would be on the exterior of the boat
Many, if not most boats are not insulated and either deal with it with excess AC capacity (my way) or Sun shades.
Sun shades usually are great even at anchor
when or if you have no AC.
Iíd say if you donít expect to have AC power once really living aboard
to do the temp AC route
as ďrealĒ Marine
AC isnít cheap
, but if you intend to live aboard in a Marina on the Tx coast, I would install real Marine
I have a 16K in the Salon
that will cool the whole boat
, most of the time, and a 6K in our Stateroom that cools it just fine and the boat when itís not real hot.
July and August heat, usually requires both.
Boats are inefficient to cool, but your not cooling
3,000 sq ft either.