I wish there were a way to add a compressor to the genset.
It is water cooled, and very quiet, but it's pretty much a sealed up unit.
What brand / model? Link?
Fischer Panda® 4.0-kW
http://www.fischerpanda.com/marine/ac_4200.htm
Will get you a brochure and engineering drawings
http://www.fischerpanda.com/Manuals/...n%20Manual.pdf
As you can see, it might be possible to add another pulley to the front end,
but there just isn't much room around the pack in the boat.
It's mounted in the starboard quarter under the cockpit seat.
To starboard it the hull, and to port is the aft cabin side wall.