 um i'm sorry no what was that just to isolate and take care of a specific zone yeah yeah you have a specific room that's hotter than the other side there because you have a central area because you don't what can you use i mean split for that and what's the approximate cost or something like that yeah that's a real good question um you know a lot of it depends on where the outdoor unit is located you know is it one or two stories high that we're trying to get there that's