Thanks so much for the replies. I am considering a wall insulation but need to do my research. Really appreciate the advice and will google your suggestion.
Moreover, one would assume that Hawaii is 90 degrees and sunny most of the time. This is a correct assumption given you live on the...
I have a 1977 house...drywall with no insulation. It gets pretty chilly in here especially when windy. The walls are not insulated and it seems it would be quite a hassle to demo and replace just to add insulation in the exterior walls.
A friend recommended just doing ceiling insulation...