There is a lot of variables that make it very difficult to give you much help on this topic in an open forum. If you are in the HVAC trade apply for your pro status and we may be able to do a little more indepth help. I have an Idea what to do but won't put it out in the open forum. If you are Homeowner and getting a contractor to do this install they should be able to run the wires you need. Again if you are an hvac pro then get your butt to pro status.