On Wed, 08 Aug 2007 20:57:17 -0400, HK wrote:

There are some parkers in Florida with rooftop AC units. They run off a
honda gasoline genny in the cockpit.

A few but not too many. I mostly see the pilot house Parkers in cold
weather climes. Cockpit gensets are inherently dangerous.
Unfortunately I'm seeing more sailboats and small power cruisers with
them.