Jim, The air conditioners that have the compressor outside, and the individual chillers in the rooms are called split minis, mini split units, ductless air conditioners, and possibly one or two other things. A search on split mini or ductless air conditioner should find you a lot of hits.
-- Blue skies. Dan Rossi Carnegie Mellon University. E-Mail: d...@andrew.cmu.edu Tel: (412) 268-9081