HVAC
Mini Split Installation Cost: Per Zone in 2026
Estimate ductless mini split installation cost per zone — with the free HVAC calculator.
Ductless mini splits are the fastest way to add heating and cooling to a room, garage or addition — no ducts required. Here's the real 2026 installed cost.
THE SHORT ANSWER
The short answer
Mini split installation runs $2,000–$7,000 per zone in 2026. A single-zone setup runs $2,000–$5,000; a two-zone runs $4,000–$8,000; a whole-house multi-zone runs $10,000–$14,500. Federal credits can cut 30%.
What it costs
Each zone (indoor unit + outdoor unit capacity) runs $2,000–$7,000 installed. The unit itself runs $1,000–$3,000; installation (line set, electrical, mounting) runs $1,000–$3,500 per zone. Rebates and the 30% federal tax credit cut the net cost.
- Single-zone: $2,000–$5,000
- Two-zone: $4,000–$8,000
- Three-zone: $5,000–$12,000
- Whole-house multi-zone: $10,000–$14,500
Mini split vs central AC
Mini splits win when there are no ducts, when adding one room, or for zoned comfort — and they're efficient heat pumps. Central AC wins for whole-home cooling with existing ducts, at $4,000–$8,000 installed.
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