Connect self supplied equipment. 4 total air handlers And to install the line said to each air handler. Line set covers will be homeowners responsibility to purchase it if you want the line set to be covered. Cannot guarantee system warranty’s due to it being self supplied equipment. If you didn’t does not start up, it is not our company’s responsibility to replace equipment. Must sign a waiver if you want us to do the work. If more material is needed, you will be responsible to purchase it as needed.This cost is to install the air handlers only and start up equipment. This cost includes our labor.