Basic mini-split system installation: This step involves installing the outdoor unit, indoor unit or units and connecting the system’s wiring and refrigerant lines and running the drain line.
$1,700 to $2,300 | Installation of a single-zone mini-split system
$2,000 to $3,400 | Installation of a multi-zone mini-split system
Installation materials: These include insulated refrigerant lines, drain line and wall sleeve:
$130 to $375 | Installation materials are sold in kits with lines from about 25’ to about 100’