Concealed duct a/c systems?

[jcparsons]

I'm doing an a/c installation in a house with existing steam radiators. Of course, running new ducts for the a/c would be hard to do. Further, the homeowner is sensitive to cosmetics of any installed system.

I'm interested in ceiling-recessed concealed duct systems, however, I don't know much about those systems. Have any of you folks installed ceiling-recessed ducted systems? Any recommendations on manufacturers, or things to look out for?

Ideally, I'd like two indoor coils (one per floor) driven by one outdoor unit.

Thanks for any help.

[moncyv]

may be http://www.spacepak.com/ or ME S-Series City multi system with selected indoor coils. ME link is http://mehvac.com/Products/subCatego...CategoryID=145