Supply and install Daikan multi-head airconditioner. Probably need 8KW compressor.
Supply and install 3 heads into house. Probably 2 * 2-3KW, and maybe 5KW in attic.
Ducting should be reasonably straightforward, with the bedrooms on level 2, and the attic on level 3. Can run ducts straight up the side of the house.
Prefer to correspond via messages first, rather than via phone.
Specific Job Details:
Schedule: Not Specified
Budget: Not Specified