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Mini Split Installation Cost Calculator

Price a ductless mini split by zone count, capacity and how hard the line-set run is.

Model reviewed August 2026

Select a state to re-price the estimate with local labor and material costs.

Estimated installed cost

$4,286 – $6,088

Equipment
$2,520
Install labor
$2,200
Capacity per zone
12,000 BTU

Estimates only. Local pricing, site conditions and code requirements change the real number.

Price this job in your state

This page uses the national average. Pick your state for the same tool re-priced with local labor, material and permit-fee indexes.

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The formula

Cost = (total BTU / 1,000 x rate) + per-zone install labor + permit

Each additional indoor head adds equipment and labor, so a 3-zone system costs far more than a single-zone unit of the same total capacity.

Worked example

A 2-zone 24,000 BTU system runs about $5,400 to $7,700 installed on a straightforward exterior wall.

Frequently asked questions

How much does a mini split cost installed?

Single-zone systems typically run $3,000 to $5,500 installed. Multi-zone systems run $2,000 to $3,500 per additional head.

Can I install a mini split myself?

DIY-ready kits with pre-charged line sets exist, but most jurisdictions still require a mechanical permit, and manufacturer warranties usually require licensed installation.

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.