I have a small old two story house, and the top floor gets very hot during the day.
I'm thinking of installing one or two roof turbines, and also am considering putting
some insulation in above the ceiling, under the roof (I'm sure there isn't any right
now). I'd like to hear some opinions about these ideas, and would appreciate any other
suggestions. I like the idea of the roof turbines because they don't require anything
but a little wind to operate.

John